The Lenovo ThinkPad Spare Battery LI-ion 00 is a black Li-Ion battery designed specifically for Lenovo ThinkPad laptops. With a capacity of 4610mAh and a voltage of 10.8V, It is compatible with various Lenovo ThinkPad models and is an essential accessory for those who require a reliable power source for their devices. Ideal for both work and leisure, this battery ensures that you can stay connected and productive for longer periods without worrying about running out of power. selling as repair or spares as it's untested and will require charging