The Lenovo ThinkPad 57++ 100WH battery is a powerful replacement or second battery for selected ThinkPad models. Here are some specifications and features of the battery:
- Capacity: 100Wh
- Condition: good used condition (at least 70% remaining capacity)
- Original battery (not a replica)
- Voltage: 11.8V
- Number of cells: 9
- Technology: Lithium-ion
- Color: Black
This battery is compatible with various Lenovo ThinkPad models including ThinkPad T440p, T540p, W540, W541.
The battery has integrated protection against overcharging, over-current and short circuit. It can also be charged separately without connecting it to the laptop.