41U3196 - Lenovo 33 (4 CELL) Battery for ThinkPad T61 R61 R61I R400 T

Here are the technical specs for the Lenovo 41U3196 battery:

- Battery type: Lithium-ion
- Battery capacity: 14.4V, 2.2Ah
- Number of cells: 4
- Compatible ThinkPad models: T61, R61, R61I, R400, T400
- Battery life: Up to 3 hours (depending on usage)

Helpful notes:
1. This battery is a great replacement for your original ThinkPad battery if it's no longer holding a charge.
2. It's always a good idea to fully charge your new battery before using it for the first time.
3. To maximize your battery life, try to avoid leaving your laptop plugged in all the time.