Description
Product Overview
This genuine Lenovo 42T4523 44Wh battery provides reliable power for your compatible Lenovo laptop. Manufactured to meet original equipment specifications, it ensures optimal performance and safety.
Specifications
- Voltage: 10.8V
- Capacity: 44Wh
- Chemistry: Lithium Ion
- Condition: Brand New
- Part Number: 42T4523
Compatible Part Numbers (P/N)
- 42T4521, 42T4522, 42T4642, 42T4643
- 43R1965, 43R1967
- ASM 42T4519, ASM 42T4523
- FRU 42T4518, FRU 42T4522
- Lenovo-42T4523-44Wh
Compatible Models
- ThinkPad Reserve Edition 8748
- ThinkPad X300 (2748, 2749, 6476, 6477, 6478)
- ThinkPad X301 (2774, 2776, 2777, 2778, 2779, 4057)
When to Replace Your Laptop Battery
| Symptom | Description |
|---|---|
| Short Battery Life | Battery drains quickly, lasting less than 1 hour on full charge |
| Swelling/Bulging | Battery case appears swollen or deformed |
| Charging Issues | Battery won’t hold charge or charges intermittently |
| System Warnings | Laptop shows “Replace Battery” or similar alerts |
| Overheating | Battery becomes unusually hot during use or charging |
| Age | Battery is over 2-3 years old with reduced performance |
Note on Compatibility
The compatible part numbers and models listed above are not exhaustive. If you don’t see your specific model or part number listed, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Brand new genuine product
- Free shipping included
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