{"title":"21700 Battery Cells","description":"\u003cp\u003eBatteryMall supply lithium-ion and lithium polymer cells for power banks, laptop batteries, electric vehicles, etc. Choose from \u003cstrong\u003e18650, 21700, 20700\u003c\/strong\u003e rechargeable cells with various capacity options. \u003c\/p\u003e","products":[{"product_id":"fg4cell2170x-fg4cell21700x-battery-for-jbl-xtreme-4-9444mah","title":"FG4CELL2170X FG4CELL21700X Battery For JBL Xtreme 4 9444mAh","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG4CELL2170X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 9444mAh \/ 68Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 7.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion (2S2P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG4CELL2170X\u003c\/li\u003e\n\u003cli\u003eFG4CELL21700X (2S2P)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox Stage 320\u003c\/li\u003e\n\u003cli\u003eFor JBL Xtreme 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 400\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG4CELL21700X2S2P_1464X600_29ea5fe7-7fdf-4017-a6c4-c75e96c8dd17_1024x1024.jpg?v=1781333323\" alt=\"FG4CELL2170X Battery For JBL PartyBox Stage 320 Xtreme 4 Bluetooth Speaker\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Party Performance:\u003c\/strong\u003e 9444mAh \/ 68Wh 2S2P lithium-ion battery delivers extended playback runtime for JBL PartyBox Stage 320 and Xtreme 4 portable Bluetooth speakers for parties, events, and outdoor gatherings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 2S2P Li-ion Configuration:\u003c\/strong\u003e High-quality 2S2P lithium-ion cell configuration provides consistent high-current power delivery with stable voltage output for powerful speaker performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Xtreme Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox Stage 320, Xtreme 4, and Battery 400 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL speaker with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox Stage 320 and Xtreme 4 portable Bluetooth speakers, this premium 2S2P Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for outdoor parties, beach events, camping trips, backyard gatherings, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox Stage 320, Xtreme 4, and Battery 400, replaces FG4CELL2170X and FG4CELL21700X\u003c\/li\u003e\n\u003cli\u003eUltra-high 9444mAh \/ 68Wh 2S2P capacity supports extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/www.batterymall.com\/collections\/speaker-batteries\" title=\"Speaker Batteries\" rel=\"noopener\" target=\"_blank\"\u003eView more related batteries\u003c\/a\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"FG4CELL2170X-68Wh","offer_id":46089831317676,"sku":"FG4CELL2170X-7.2V-68Wh-OEM","price":36.99,"currency_code":"USD","in_stock":true},{"title":"FG4CELL21700X-74Wh-Type C","offer_id":46089831350444,"sku":"FG4CELL21700X(2S2P)-7.4V-74Wh-Type C-OEM","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG4CELL2170X-7.2V-68Wh-Speaker-Battery-16002.jpg?v=1774856764"},{"product_id":"fg2cell21700-j20-h-battery-for-jbl-partybox-club-120-bluetooth-speaker-5000mah","title":"FG2CELL21700 J20-H Battery For JBL PartyBox Club 120 Bluetooth Speaker 5000mAh","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG2CELL21700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 36Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 7.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG2CELL21700\u003c\/li\u003e\n\u003cli\u003eJ20-H\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox Club 120\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 200\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG2CELL21700_1464X600_aff5c832-980f-4a17-b43f-7ad78a388e4b_1024x1024.jpg?v=1782286879\" alt=\"FG2CELL21700 battery 7.2V 5000mAh 36Wh over 500 charge cycles for JBL PartyBox Club 120, say goodbye to battery anxiety\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 36Wh lithium-ion battery delivers extended playback runtime for JBL PartyBox Club 120 portable Bluetooth speakers for parties, events, and outdoor gatherings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Li-ion Cells:\u003c\/strong\u003e High-quality lithium-ion cells provide consistent power delivery with stable voltage output for powerful JBL speaker performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox Club 120 Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox Club 120 and Battery 200 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox Club 120 with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox Club 120 portable Bluetooth speakers, this premium Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for indoor parties, outdoor events, backyard gatherings, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox Club 120 and Battery 200, replaces FG2CELL21700 and J20-H\u003c\/li\u003e\n\u003cli\u003eHigh 5000mAh \/ 36Wh capacity supports extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/www.batterymall.com\/collections\/jbl-speaker-batteries\" title=\"JBL Speaker Batteries\" rel=\"noopener\" target=\"_blank\"\u003eView more related batteries\u003c\/a\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46090274209964,"sku":"FG2CELL21700-7.2V-36Wh-OEM","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG2CELL21700-7.2V-36Wh-Speaker-Battery-16004.jpg?v=1774859667"},{"product_id":"fg2cell21700-high-capacity-battery-for-jbl-partybox-club-120-party-speaker-36wh","title":"FG2CELL21700 High Capacity Battery For JBL PartyBox Club 120 Party Speaker 36Wh","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG2CELL21700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 36Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 7.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG2CELL21700\u003c\/li\u003e\n\u003cli\u003eJ20-H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox Club 120\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 200\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG2CELL21700_1464X600_aff5c832-980f-4a17-b43f-7ad78a388e4b_1024x1024.jpg?v=1782286879\" alt=\"FG2CELL21700 battery 7.2V 5000mAh 36Wh over 500 charge cycles for JBL PartyBox Club 120, say goodbye to battery anxiety\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 36Wh lithium-ion battery delivers extended playback runtime for JBL PartyBox Club 120 portable Bluetooth speakers for parties, events, and outdoor gatherings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Li-ion Cells:\u003c\/strong\u003e High-quality lithium-ion cells provide consistent power delivery with stable voltage output for powerful JBL speaker performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox Club 120 Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox Club 120 and Battery 200 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox Club 120 with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox Club 120 portable Bluetooth speakers, this premium Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for indoor parties, outdoor events, backyard gatherings, and extended DJ sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox Club 120 and Battery 200, replaces FG2CELL21700 and J20-H\u003c\/li\u003e\n\u003cli\u003eHigh 5000mAh \/ 36Wh capacity supports extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/www.batterymall.com\/collections\/jbl-speaker-batteries\" title=\"JBL Speaker Batteries\" rel=\"noopener\" target=\"_blank\"\u003eView more related batteries\u003c\/a\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46090284105900,"sku":"FG2CELL21700-7.2V-36Wh-OEM","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG2CELL21700-7.2V-36Wh-Speaker-Battery-16003.jpg?v=1774859958"},{"product_id":"fg6cell21700g-bluetooth-speaker-battery-for-jbl-partybox-520-720-boombox4","title":"2PCS FG6CELL21700G Bluetooth Speaker Battery For JBL PartyBox 520 720 Boombox4","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 108Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG6CELL21700G\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox 520\u003c\/li\u003e\n\u003cli\u003eFor JBL PartyBox 720\u003c\/li\u003e\n\u003cli\u003eFor JBL Boombox 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG6CELL21700G_1464X600_d9c7849a-3b71-447e-8af3-4dfd517fe4cb_1024x1024.jpg?v=1779760704\" alt=\"JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 108Wh high-voltage lithium-ion battery delivers exceptional extended playback runtime for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium Bluetooth speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium High-Voltage Li-ion Cells:\u003c\/strong\u003e High-quality 21.6V lithium-ion cells provide consistent high-power delivery with stable voltage output for powerful JBL speaker performance during extended events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Boombox Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox or Boombox with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium portable Bluetooth speakers, this ultra-high capacity 108Wh Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for large outdoor parties, festival events, beach gatherings, camping trips, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600, replaces FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003eUltra-high 5000mAh \/ 108Wh capacity supports exceptional extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46090300031148,"sku":"FG6CELL21700G-21.6V-108Wh-OEM-2pcs","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery-1600.jpg?v=1779760582"},{"product_id":"fg6cell21700g-battery-for-jbl-partybox-520-720-boombox-4-battery-600-5000mah","title":"FG6CELL21700G Battery For JBL PartyBox 520 720 Boombox 4 Battery 600 5000mAh","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 108Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG6CELL21700G\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox 520\u003c\/li\u003e\n\u003cli\u003eFor JBL PartyBox 720\u003c\/li\u003e\n\u003cli\u003eFor JBL Boombox 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG6CELL21700G_1464X600_d9c7849a-3b71-447e-8af3-4dfd517fe4cb_1024x1024.jpg?v=1779760704\" alt=\"JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 108Wh high-voltage lithium-ion battery delivers exceptional extended playback runtime for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium Bluetooth speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium High-Voltage Li-ion Cells:\u003c\/strong\u003e High-quality 21.6V lithium-ion cells provide consistent high-power delivery with stable voltage output for powerful JBL speaker performance during extended events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Boombox Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox or Boombox with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium portable Bluetooth speakers, this ultra-high capacity 108Wh Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for large outdoor parties, festival events, beach gatherings, camping trips, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600, replaces FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003eUltra-high 5000mAh \/ 108Wh capacity supports exceptional extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46090590027948,"sku":"FG6CELL21700G-21.6V-108Wh-OEM","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG6CELL21700G-21.6V-108Wh-Speaker-Battery-16002.jpg?v=1774862321"},{"product_id":"fg6cell21700g-rechargeable-battery-for-jbl-partybox-520-720-boombox-4-speaker","title":"FG6CELL21700G Rechargeable Battery For JBL PartyBox 520 720 Boombox 4 Speaker","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 108Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG6CELL21700G\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox 520\u003c\/li\u003e\n\u003cli\u003eFor JBL PartyBox 720\u003c\/li\u003e\n\u003cli\u003eFor JBL Boombox 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG6CELL21700G_1464X600_d9c7849a-3b71-447e-8af3-4dfd517fe4cb_1024x1024.jpg?v=1779760704\" alt=\"JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 108Wh high-voltage lithium-ion battery delivers exceptional extended playback runtime for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium Bluetooth speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium High-Voltage Li-ion Cells:\u003c\/strong\u003e High-quality 21.6V lithium-ion cells provide consistent high-power delivery with stable voltage output for powerful JBL speaker performance during extended events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Boombox Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox or Boombox with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium portable Bluetooth speakers, this ultra-high capacity 108Wh Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for large outdoor parties, festival events, beach gatherings, camping trips, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600, replaces FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003eUltra-high 5000mAh \/ 108Wh capacity supports exceptional extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46090602578092,"sku":"FG6CELL21700G-21.6V-108Wh-OEM","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG6CELL21700G-21.6V-108Wh-Speaker-Battery-16003.jpg?v=1774862430"},{"product_id":"replacement-battery-fg6cell21700g-for-jbl-partybox-720-partybox-520-boombox-4-battery","title":"FG6CELL21700G 5000mAh Replacement Battery for JBL PartyBox 720 PartyBox 520 Boombox 4 Battery 600 | 21.6V 108Wh Li-Ion","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 108Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG6CELL21700G\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox 520\u003c\/li\u003e\n\u003cli\u003eFor JBL PartyBox 720\u003c\/li\u003e\n\u003cli\u003eFor JBL Boombox 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG6CELL21700G_1464X600_d9c7849a-3b71-447e-8af3-4dfd517fe4cb_1024x1024.jpg?v=1779760704\" alt=\"JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 108Wh high-voltage lithium-ion battery delivers exceptional extended playback runtime for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium Bluetooth speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium High-Voltage Li-ion Cells:\u003c\/strong\u003e High-quality 21.6V lithium-ion cells provide consistent high-power delivery with stable voltage output for powerful JBL speaker performance during extended events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Boombox Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox or Boombox with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium portable Bluetooth speakers, this ultra-high capacity 108Wh Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for large outdoor parties, festival events, beach gatherings, camping trips, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600, replaces FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003eUltra-high 5000mAh \/ 108Wh capacity supports exceptional extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46310803996844,"sku":"FG6CELL21700G-21.6V-108Wh-OEM-2pcs","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery-1.jpg?v=1779760606"},{"product_id":"fg6cell21700g-for-jbl-partybox-stage-520-720-boombox-4-speaker-battery","title":"FG6CELL21700G 2PCS for JBL PartyBox Stage 520 720 Boombox 4 with TYPE‑C 21.6V 5000mAh Speaker Battery","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 108Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG6CELL21700G\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox 520\u003c\/li\u003e\n\u003cli\u003eFor JBL PartyBox 720\u003c\/li\u003e\n\u003cli\u003eFor JBL Boombox 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG6CELL21700G_1464X600_d9c7849a-3b71-447e-8af3-4dfd517fe4cb_1024x1024.jpg?v=1779760704\" alt=\"JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 108Wh high-voltage lithium-ion battery delivers exceptional extended playback runtime for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium Bluetooth speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium High-Voltage Li-ion Cells:\u003c\/strong\u003e High-quality 21.6V lithium-ion cells provide consistent high-power delivery with stable voltage output for powerful JBL speaker performance during extended events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Boombox Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox or Boombox with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium portable Bluetooth speakers, this ultra-high capacity 108Wh Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for large outdoor parties, festival events, beach gatherings, camping trips, and extended DJ sessions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600, replaces FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003eUltra-high 5000mAh \/ 108Wh capacity supports exceptional extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46310833094828,"sku":"FG6CELL21700G-21.6V-108Wh-OEM-2pcs","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery-1600.jpg?v=1779760582"},{"product_id":"speaker-fg6cell21700g-battery-for-jbl-partybox-stage-520-720-spare-battery-with-type-c","title":"5000mAh 2PCS Speaker FG6CELL21700G Battery For JBL PartyBox Stage 520 \/ 720 Spare Battery with TYPE-C","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh \/ 108Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG6CELL21700G\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox 520\u003c\/li\u003e\n\u003cli\u003eFor JBL PartyBox 720\u003c\/li\u003e\n\u003cli\u003eFor JBL Boombox 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG6CELL21700G_1464X600_d9c7849a-3b71-447e-8af3-4dfd517fe4cb_1024x1024.jpg?v=1779760704\" alt=\"JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Capacity Party Performance:\u003c\/strong\u003e 5000mAh \/ 108Wh high-voltage lithium-ion battery delivers exceptional extended playback runtime for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium Bluetooth speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium High-Voltage Li-ion Cells:\u003c\/strong\u003e High-quality 21.6V lithium-ion cells provide consistent high-power delivery with stable voltage output for powerful JBL speaker performance during extended events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Boombox Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL PartyBox or Boombox with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox 520, PartyBox 720, and Boombox 4 premium portable Bluetooth speakers, this ultra-high capacity 108Wh Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for large outdoor parties, festival events, beach gatherings, camping trips, and extended DJ sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox 520, PartyBox 720, Boombox 4, and Battery 600, replaces FG6CELL21700G\u003c\/li\u003e\n\u003cli\u003eUltra-high 5000mAh \/ 108Wh capacity supports exceptional extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46310836928684,"sku":"FG6CELL21700G-21.6V-108Wh-OEM-2pcs","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG6CELL21700G-21.6V-108Wh-Bluetooth-Speaker-Battery-1600-1.jpg?v=1779760591"},{"product_id":"fg4cell21700x2s2p-rechargeable-li-ion-battery-for-jbl-partybox-stage-320-xtreme-4","title":"2PCS FG4CELL21700X(2S2P) Rechargeable Li-ion Battery For JBL PartyBox Stage 320 Xtreme 4","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG4CELL21700X(2S2P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 10000mAh\/74Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion (2S2P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG4CELL2170X\u003c\/li\u003e\n\u003cli\u003eFG4CELL21700X (2S2P)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox Stage 320\u003c\/li\u003e\n\u003cli\u003eFor JBL Xtreme 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 400\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG4CELL21700X2S2P_1464X600_29ea5fe7-7fdf-4017-a6c4-c75e96c8dd17_1024x1024.jpg?v=1781333323\" alt=\"FG4CELL2170X Battery For JBL PartyBox Stage 320 Xtreme 4 Bluetooth Speaker\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Party Performance:\u003c\/strong\u003e 10000mAh\/74Wh 2S2P lithium-ion battery delivers extended playback runtime for JBL PartyBox Stage 320 and Xtreme 4 portable Bluetooth speakers for parties, events, and outdoor gatherings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 2S2P Li-ion Configuration:\u003c\/strong\u003e High-quality 2S2P lithium-ion cell configuration provides consistent high-current power delivery with stable voltage output for powerful speaker performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Xtreme Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox Stage 320, Xtreme 4, and Battery 400 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL speaker with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox Stage 320 and Xtreme 4 portable Bluetooth speakers, this premium 2S2P Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for outdoor parties, beach events, camping trips, backyard gatherings, and extended DJ sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox Stage 320, Xtreme 4, and Battery 400, replaces FG4CELL2170X and FG4CELL21700X\u003c\/li\u003e\n\u003cli\u003eUltra-high 10000mAh\/74Wh 2S2P capacity supports extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/www.batterymall.com\/collections\/speaker-batteries\" title=\"Speaker Batteries\" rel=\"noopener\" target=\"_blank\"\u003eView more related batteries\u003c\/a\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46374489063596,"sku":"FG4CELL21700X(2S2P)-7.4V-74Wh-Type C-OEM","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG4CELL21700X2S2P-7.4V-74Wh-Battery-1600-2PCS-1.jpg?v=1781336427"},{"product_id":"fg4cell21700x-battery-jbl-partybox-stage-320-xtreme-4","title":"2PCS FG4CELL21700X(2S2P) Replacement Battery For JBL PartyBox Stage 320 Xtreme 4","description":"\u003ch2 class=\"desc-tb-title-2\"\u003eReplacement Battery Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Model:\u003c\/strong\u003e FG4CELL21700X(2S2P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 10000mAh\/74Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 7.4V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion (2S2P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell:\u003c\/strong\u003e Made in China, high quality guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Replacement Battery (100% Brand New, 1-year warranty!)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eReplace Part Number\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-2\"\u003e\n\u003cli\u003eFG4CELL2170X\u003c\/li\u003e\n\u003cli\u003eFG4CELL21700X (2S2P)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eCompatible Device Model\u003c\/h2\u003e\n\u003cul class=\"desc-tb-flex-3\"\u003e\n\u003cli\u003eFor JBL PartyBox Stage 320\u003c\/li\u003e\n\u003cli\u003eFor JBL Xtreme 4\u003c\/li\u003e\n\u003cli\u003eFor JBL Battery 400\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/FG4CELL21700X2S2P_1464X600_29ea5fe7-7fdf-4017-a6c4-c75e96c8dd17_1024x1024.jpg?v=1781333323\" alt=\"FG4CELL2170X Battery For JBL PartyBox Stage 320 Xtreme 4 Bluetooth Speaker\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Party Performance:\u003c\/strong\u003e 10000mAh\/74Wh 2S2P lithium-ion battery delivers extended playback runtime for JBL PartyBox Stage 320 and Xtreme 4 portable Bluetooth speakers for parties, events, and outdoor gatherings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 2S2P Li-ion Configuration:\u003c\/strong\u003e High-quality 2S2P lithium-ion cell configuration provides consistent high-current power delivery with stable voltage output for powerful speaker performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement Quality:\u003c\/strong\u003e Meets or exceeds original JBL specifications for voltage, capacity, safety standards, and physical dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBL PartyBox \/ Xtreme Optimized:\u003c\/strong\u003e Specifically engineered for JBL PartyBox Stage 320, Xtreme 4, and Battery 400 for perfect fit and reliable battery management system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protection:\u003c\/strong\u003e Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during charging and playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore Party-Ready Performance:\u003c\/strong\u003e Revive your JBL speaker with a fresh battery that restores full playback runtime and eliminates unexpected shutdowns during events and gatherings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"desc-tb-title-2\"\u003eWhy Choose This Battery\u003c\/h2\u003e\n\u003cp\u003eEngineered specifically for JBL PartyBox Stage 320 and Xtreme 4 portable Bluetooth speakers, this premium 2S2P Li-ion replacement battery restores full playback capacity for party hosts, event organizers, outdoor adventurers, and music enthusiasts. Perfect for outdoor parties, beach events, camping trips, backyard gatherings, and extended DJ sessions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with JBL PartyBox Stage 320, Xtreme 4, and Battery 400, replaces FG4CELL2170X and FG4CELL21700X\u003c\/li\u003e\n\u003cli\u003eUltra-high 10000mAh\/74Wh 2S2P capacity supports extended party-ready runtime for music lovers\u003c\/li\u003e\n\u003cli\u003eRigorous quality testing ensures capacity, voltage stability, and safety compliance for speaker use\u003c\/li\u003e\n\u003cli\u003e1-year warranty and OEM-grade construction for reliable long-term performance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered housing with multi-layer protection circuits for safe operation during charging and playback\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/www.batterymall.com\/collections\/speaker-batteries\" title=\"Speaker Batteries\" rel=\"noopener\" target=\"_blank\"\u003eView more related batteries\u003c\/a\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":46374490308780,"sku":"FG4CELL21700X(2S2P)-7.4V-74Wh-Type C-OEM","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/files\/JBL-FG4CELL21700X2S2P-7.4V-74Wh-Battery-1600-2PCS.jpg?v=1781336396"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/2047\/6834\/collections\/18.2WH-5000mAh-INR21700M50T-Battery-5_f72d4b3f-9693-41e2-92f3-f392eb9227cb.jpg?v=1764226455","url":"https:\/\/www.batterymall.com\/en-se\/collections\/21700-battery-cells.oembed","provider":"BatteryMall.com","version":"1.0","type":"link"}