IBM 02K6507 | Lithium Ion Notebook Battery Lithium Ion (Li-Ion)

Here are the technical specs for the IBM Lithium Ion Notebook Battery:

- Chemistry: Lithium Ion (Li-Ion)
- Capacity: 4400 mAh
- Voltage: 10.8 V DC
- Dimensions: 8.1" x 2.2" x 0.8"
- Weight: 0.6 lbs
- Compatibility: IBM ThinkPad A20, A21, A22, A30, A31, T20, T21, T22, T23, T24, R30, R31, R32, R40, R50, R51, R52, 600, 600E, 600X, 770, 770E, 770ED, 770X, 770Z

Helpful notes:
- This battery is a replacement for select IBM ThinkPad models.
- Lithium Ion batteries have a longer lifespan than other battery types.
- Always check compatibility before purchasing a replacement battery.