Product Specification
- Model: EcoFlow DELTA 3 Max
- Capacity: 2048Wh
- AC Output: 2400W (X-Boost up to 3400W)
- Battery Type: LiFePO4 (LFP)
- Cycle Life: 10 Years of Reliable Power
- Noise Level: 25 dB (when powering under 600W, X-Quiet™ 3.0)
- Weight: 44.7 lb (13% lighter than previous model)
- Dimensions: 12 × 19.4 × 9.4 in
- Certifications: UL 2743, Class B EMC
- Color: Black/Gray
- Condition: Brand New
Charging Speed (4 Ways to Charge)
- AC Charging: 0–80% in 68 Min
- Generator Charging: 0–80% in 68 Min
- Solar Charging: 0–80% in 3.43 Hours
- Car Charging: 0–80% in 3.41 Hours
Device Runtime (2048Wh Capacity)
- Light (10W): 175.1 Hours
- Projector (65W): 26.94 Hours
- 50" TV (110W): 15.92 Hours
- PS5 (200W): 8.76 Hours
Smart App Features
- AI Mode – Automatically creates cost-effective charge/discharge schedules based on solar, load, electricity rate, and system status
- Self-Powered Mode – Stores solar energy and powers your home once battery levels exceed a preset reserve
- Backup Reserve – Customizable reserve percentage to ensure power is always available during grid outages
Product Features
- ✅ 3400W X-Boost – Powers high-wattage appliances up to 3400W, covering virtually all household devices
- ✅ Ultra-Fast 68-Min Charge – 0–80% via AC or generator in just 68 minutes
- ✅ X-Quiet™ 3.0 Technology – Whisper-quiet 25 dB operation when under 600W, quieter than a library
- ✅ LiFePO4 Battery + BMS – Built-in Battery Management System with UL 2743 certification for maximum safety
- ✅ 13% Lighter Design – Only 44.7 lb, easier to carry for camping, RV trips, and emergency use
- ✅ Smart AI App Control – AI Mode and Self-Powered Mode cut electricity costs without sacrificing comfort
Why Choose EcoFlow DELTA 3 Max
The EcoFlow DELTA 3 Max portable power station delivers 2048Wh of LiFePO4 capacity with 2400W AC output and 3400W X-Boost, making it the ideal backup power solution for home emergencies, RV adventures, and off-grid living. Its ultra-fast 68-minute charge and whisper-quiet 25 dB operation set a new standard for high-capacity solar generators.
Key Benefits
- 3400W X-Boost handles heavy appliances — air conditioners, electric heaters, power tools, and more
- 68-minute fast charge via AC or generator means you're never left waiting for power
- 25 dB X-Quiet™ 3.0 technology runs silently in bedrooms, offices, and campsites
- AI Mode and Self-Powered Mode intelligently reduce electricity bills using solar and off-peak rates
- UL 2743 certified LiFePO4 battery with BMS ensures 10 years of safe, reliable performance
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.