Product Overview
The AC14B8K is an OEM-grade 48Wh / 3220mAh Li-ion replacement battery engineered for a wide range of Acer laptops, including the Acer Swift 3 SF314-52, the Acer Spin 5 SP513-51 convertible and popular Acer Aspire notebooks such as the CB3-111 / CB5-311, the ES1-131 / ES1-311 / ES1-511 / ES1-512 / ES1-520 / ES1-521 / ES1-531 / ES1-731 series and the E5-771 / E5-771G, V3-111 / V3-371 / V5-122, R3-131T / R5-431T / R5-471T lines. Precision-matched to the original factory specification at 15.2V, it restores the full all-day runtime, stable charging and dependable power delivery of your Acer notebook. Built with Grade-A high-density cells and an integrated BMS with overcharge, over-discharge and short-circuit protection. Ships 100% brand new, backed by a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | AC14B8K |
| Capacity | 48Wh / 3220mAh |
| Voltage | 15.2V |
| Battery Type | Li-ion Polymer |
| Cell | Grade-A, high quality guarantee |
| Condition | Replacement Battery (100% Brand New) |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- AC14B8K
- 4ICP5/57/80
Compatible Models
- For Acer Aspire CB3-111
- For Acer Aspire CB5-311
- For Acer Aspire ES1-131
- For Acer Aspire ES1-311
- For Acer Aspire ES1-511
- For Acer Aspire ES1-512
- For Acer Aspire ES1-520
- For Acer Aspire ES1-521
- For Acer Aspire ES1-531
- For Acer Aspire ES1-731
- For Acer Aspire E5-771
- For Acer Aspire E5-771G
- For Acer Aspire V3-111
- For Acer Aspire V3-371
- For Acer Aspire V5-122
- For Acer Aspire R3-131T
- For Acer Aspire R5-431T
- For Acer Aspire R5-471T
- For Acer Swift 3 SF314-52
- For Acer Spin 5 SP513-51
FAQ
Which Acer laptops does the AC14B8K battery fit?
The AC14B8K battery fits the Acer Swift 3 SF314-52, the Acer Spin 5 SP513-51, and a wide range of Acer Aspire notebooks including the CB3-111 / CB5-311, the ES1-131 / ES1-311 / ES1-511 / ES1-512 / ES1-520 / ES1-521 / ES1-531 / ES1-731 series, and the E5-771 / E5-771G, V3-111 / V3-371 / V5-122, R3-131T / R5-431T / R5-471T models. Check the model code printed on the bottom cover of your laptop before ordering.
What is the capacity and voltage of the AC14B8K battery?
The battery delivers 48Wh / 3220mAh at 15.2V, matching the original Acer factory specification. Built with fresh Grade-A cells, it restores dependable battery life for everyday work, streaming and light productivity.
How can I confirm the AC14B8K battery matches my laptop before buying?
Turn off the laptop, remove the bottom cover and read the label on your original battery. If it lists AC14B8K or 4ICP5/57/80, this battery is a direct drop-in replacement. Also confirm the voltage printed on your old battery is 15.2V before ordering.
Is the AC14B8K battery brand new and covered by a warranty?
Yes — it is 100% brand new with Grade-A cells and built-in protection against overcharge, over-discharge and short circuit. Every unit is backed by a 1-year warranty and ships quickly from stock.
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.