Lenovo 42T4537, 42T4657, 42T4541, 42T4536, 43R9253. Lenovo 42T4657. Lenovo 42T4541. Lenovo 42T4537. Lenovo 42T4536. Lenovo 43R9253. 100% compatible with Lenovo batteries - Fully compatible with Lenovo ThinkPad X200 ThinkPad X201 ThinkPad X201i ThinkPad X200s ThinkPad X201s ThinkPad X200si.
