IBM 02K6864 | 4800mAh 11.1v Li-ion Battery For ThinkPad A20 A21 A22 Series (Black)

Here are the technical specifications for the IBM 4800mAh 11.1v Li-ion Battery For ThinkPad A20 A21 A22 Series (Black):

- Battery capacity: 4800mAh
- Battery voltage: 11.1V
- Battery type: Li-ion
- Color: Black
- Compatible models: ThinkPad A20, A21, A22 series

Helpful notes:
1. This battery has a higher capacity than the original battery, which means longer battery life.
2. Li-ion batteries have a longer lifespan and are less prone to memory effect than NiMH or NiCd batteries.
3. Always use a compatible charger to avoid damaging the battery or the device.