Description
Product Overview
This is a genuine replacement Acer AC14B18J 36Wh laptop battery, designed to restore your device’s original performance and mobility.
Specifications
- Part Number: AC14B18J
- Voltage: 14.8V
- Capacity: 36Wh
- Chemistry: Li-ion
- Condition: Brand New
Compatible Part Numbers (P/N)
This battery directly replaces the following Acer part numbers: KT.00303.015, KT.00303.016, KT.00303.021, KT.0030G.004, KT.0030G.009, KT.0030G.010, KT.0030G.011, KT.0030G.017, KT00303015, KT00303016, KT00303021, KT0030G004, KT0030G009, KT0030G010, KT0030G011.
Compatible Laptop Models (Model)
Designed for various Acer Aspire, Extensa, TravelMate series and Chromebooks, including but not limited to:
- Acer Aspire 1 (A111-31)
- Acer Aspire 3 (A315-21, A315-22, A315-53, A315-54, A315-56, A317-51 series)
- Acer Aspire ES1 series (ES1-131, ES1-132, ES1-531, ES1-571)
- Acer Extensa 15 (EX215-21, EX215-22, EX215-31, EX215-51 series)
- Acer TravelMate B115-M, B116-M, B117-M
- Acer Chromebook 11 CB3-111, C730 Chromebook
- Packard Bell EasyNote TE70BH, TG71BM, TG81BA series
Unsure About Compatibility?
We’ve listed the most common compatible part numbers and models, but this battery fits many more devices. If you don’t see your specific model listed, please leave your laptop model number or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
When Should You Replace Your Laptop Battery?
Consider replacing your battery if you notice any of these common signs of battery degradation:
| Symptom | Description |
|---|---|
| Short Battery Life | Your laptop powers down much faster than it used to, even after a full charge. |
| Battery Won’t Charge | The battery indicator shows no charging activity, or it gets stuck at a certain percentage. |
| Swelling/Bulging | The battery pack appears physically swollen or causes the laptop case to bulge. |
| System Warnings | Your operating system displays “Consider replacing your battery” or similar alerts. |
| Inconsistent Charge | The reported charge percentage fluctuates wildly or drops suddenly. |
| Overheating | The battery or bottom of your laptop becomes unusually hot during use or charging. |
| Old Age | Most lithium-ion batteries show significant degradation after 2-3 years of regular use. |
Purchase With Confidence
- One Business Day Shipping
- 30-Day Money Back Guarantee
- 1-Year Manufacturer Warranty
- In Stock – Ready to Ship
- Brand New Product
- Free Shipping




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