Description
Product Overview
This is a genuine Acer AP16A4K 42Wh replacement battery, designed for specific Acer laptop models. It ships in one business day, comes with a 30-day refund policy, one-year warranty, is brand new, in stock, and shipping is free.
Specifications
- Voltage: 7.7V
- Capacity: 42Wh
- Chemistry: Lithium-ion
- Part Number: AP16A4K
Compatibility
This battery is compatible with the following part numbers and models. Please verify your original battery’s part number or laptop model before ordering.
Part Number (P/N)
- AP16A4K
- KT.00304.007
Model
- Acer Aspire One Cloudbook AO1-132
- Acer Aspire One Cloudbook AO1-132-C9M9
- Acer Aspire One Cloudbook AO1-132-N14N/W
- Acer Swift 1 (SF113-31)
- Acer Swift 1 (SF113-31-C3MA)
- Acer Swift 1 (SF113-31-C534)
- Acer Swift 1 (SF113-31-P4MS)
- Acer Swift 1 (SF113-31-P5CK)
Note: The list of compatible part numbers and models is not exhaustive. If you are unsure, please leave your laptop model or the part number from your original battery in the order notes, and we will confirm compatibility for you.
When to Consider a Battery Replacement
If you are experiencing any of the following issues with your current laptop battery, it might be time for a replacement.
| Symptom | Description |
|---|---|
| Short Run Time | The battery drains significantly faster than it did when new, even with light use. |
| Swelling/Bulging | The battery case is visibly swollen or distorted. This is a safety hazard and requires immediate replacement. |
| Failure to Charge | The battery does not charge at all, or the charge level gets stuck at a certain percentage. |
| Unexpected Shutdowns | The laptop powers off suddenly even when the battery indicator shows remaining charge (e.g., 20-30%). |
| OS Battery Warning | Your operating system (like Windows) displays a warning message recommending you replace your battery. |
Estimated Battery Life
The table below provides conservative estimates of battery life for a laptop with this 42Wh battery under different usage scenarios. Actual results will vary.
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | Up to 6 hours |
| Video Streaming | Up to 4.5 hours |
| Office Applications | Up to 5.5 hours |
| Light Gaming | Up to 2.5 hours |
| Standby / Idle | Up to 8 hours |
Important Note: A new battery used with an older laptop will generally not last as long as the original battery did when the laptop was brand new. This is due to natural aging of other hardware components and increased power demands from modern software and operating systems.





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