45N1148 - Lenovo 6-Cell 10.8V 4400mAh Battery 57+ for ThinkPad T440P T540P L540 W540

Technical Specs:
- Battery Type: Li-ion
- Battery Voltage: 10.8V
- Battery Capacity: 4400mAh
- Number of Cells: 6
- Color: Black
- Compatibility: ThinkPad T440P, T540P, L540, W540

Helpful Notes:
1. This battery is a genuine Lenovo product, ensuring high quality and compatibility with your device.
2. The 6-cell design provides longer battery life compared to the standard 4-cell battery.
3. It is recommended to fully charge and discharge the battery at least once a month to maintain its performance.