Description
Product Overview
This Acer AS10B51 56Wh replacement battery is manufactured to meet original specifications, ensuring reliable performance for your Acer laptop.
Specifications
- Battery Type: Li-ion
- Voltage: 10.8V
- Capacity: 56Wh
- Condition: Brand new
Compatible Part Numbers (P/N)
Direct replacement for: AS10B51, AS10B41, AS10B61, AS10B71, AS10B73, AS10B75, LC.BTP00.119
Compatible Laptop Models
Designed for: Aspire 5553, 5553G, 5745G, 5745P, 5745PG, 5745Z, 7250, 7250G, 7339, 7739, 7739G, 7739Z, 7739ZG, 7745, 7745G, 7745Z
Need Help Finding the Right Battery?
We’ve listed the most common compatible part numbers and models above, but there are additional compatible devices. If you’re unsure about compatibility, please leave your laptop model number or current battery part number in the order notes during checkout. We’ll verify compatibility before shipping.
When Should You Replace Your Laptop Battery?
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than original capacity, lasting less than 1 hour |
| Swelling/Bulging | Battery case appears swollen or distorted – replace immediately for safety |
| Charging Issues | Battery won’t hold charge or requires frequent recharging |
| System Warnings | Laptop displays “Consider replacing your battery” or similar messages |
| Age | Battery is 2+ years old with noticeable performance degradation |
| Random Shutdowns | Laptop turns off unexpectedly even with charge remaining |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 3-4 hours |
| Word Processing | 4-5 hours |
| Video Streaming | 2-3 hours |
| Gaming | 1-2 hours |
| Mixed Use | 3-4 hours |
Note: These are conservative estimates for replacement batteries. New batteries in older laptops may provide shorter runtime compared to when the laptop was new, due to increased software demands and hardware aging.
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year warranty
- Free shipping
- In stock – ready to ship
- 100% brand new product





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