- Notebook battery (equivalent to: Lenovo 42T4901
- Lenovo 42T4899
- Lenovo 0A36281
- Lenovo 0A36305)
- 1 x lithium ion 4-cell
- for Lenovo ThinkPad X220; X220i; X230; X230i
100% OEM compatible. Keeping your laptop un-plugged and working longer is essential in today's business world. Axiom replacement batteries AX are manufactured using the highest quality components for long and reliable battery life.