- Notebook battery (equivalent to: IBM 42T4536
- IBM 42T4538
- IBM 43R9254)
- 1 x lithium ion 6-cell
- for Lenovo ThinkPad X200; X200s; X200si; X201; X201i; X201s
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.