Lenovo 45K1749 | 42 (3-Cell BAY) Battery

Here are the technical specifications of the Lenovo 42 (3-Cell BAY) Battery:

- Battery type: Lithium ion
- Battery capacity: 11.1V, 2.0Ah
- Number of cells: 3
- Compatibility: Lenovo ThinkPad T410, T420, T510, T520, W510, W520, L410, L412, L420, L421, L510, L512, L520
- Battery life: Up to 3 hours (varies depending on usage)

Helpful notes:
- This battery is a great replacement option for Lenovo ThinkPad users who need a longer battery life.
- It is easy to install and remove, making it a convenient option for users on the go.
- The battery life may vary depending on the usage and configuration of the device.