Description
Product Overview
This Acer AC17B8K 48Wh battery is a genuine replacement part designed specifically for compatible Acer laptop models. Manufactured to meet original specifications, it ensures reliable performance and safe operation.
Specifications
- Battery Type: Lithium-ion
- Capacity: 48Wh
- Voltage: 14.8V
- Condition: Brand new
- Part Number: AC17B8K
Compatibility Information
Compatible Part Numbers (P/N)
- KT.0040G.012
- KT0040G012
Compatible Models
- Acer Swift 3 (SF315-52)
- Acer Swift 3 (SF315-52G)
Note: This list represents common compatible models and part numbers. Many additional compatible models exist. If you don’t see your specific model listed, please leave your laptop model or current battery part number in the order notes during checkout, and we will verify compatibility for you.
When to Consider Battery Replacement
| Situation | Description |
|---|---|
| Short Battery Life | Laptop powers off within 30-60 minutes of unplugging, even when fully charged |
| Swelling/Bulging | Battery appears physically swollen, causing trackpad or case deformation |
| Charging Issues | Battery won’t charge beyond a certain percentage or doesn’t hold charge |
| System Warnings | Operating system displays “Replace Battery” or similar health warnings |
| Random Shutdowns | Laptop turns off unexpectedly when unplugged, despite showing adequate charge |
| Age Factor | Original battery is 2+ years old with noticeable performance degradation |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 4-6 hours |
| Word Processing | 5-7 hours |
| Video Streaming | 3-5 hours |
| Gaming | 1.5-2.5 hours |
| Mixed Use | 4-5 hours |
| Standby/Sleep | 24+ hours |
Note: These are conservative estimates for a new battery in older hardware. Actual runtime may be shorter than when your laptop was new due to increased software demands and natural hardware aging.
Purchase Benefits
- Same-day shipping on orders placed before 2 PM
- 30-day money-back guarantee
- 12-month warranty
- Free shipping
- In stock, ready to ship





Reviews
There are no reviews yet