This is a generic, equivalent one, 100% compatible. This 11.1V 63Wh Replacement battery is designed to compatible with Lenovo 45N1026 0A36281 42T4867 0A36282 44+.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 11.1V
* Battery Capacity: 63Wh /6 Cell
* Chemistry: Li-ion
* Color: black
* Recharge cycles: 500
* Operation time: Around 1.5-3hours
* Certification: CE FCC RoHS
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
0A36306, 45N1023, 45N1022, 0A36307, 45N1027, 45N1026,
44+, 0A36281, 42T4867, 0A36282, 42T4875, 0A36283,
42T4876, 42T4861, 42T4901, 42T4862, 42T4902, 42T4863,
42Y4864, 42T4865, 45N1019, 42T4866, 0A36305,

Compatible with the following Lenovo notebook models:
ThinkPad X220 Series, ThinkPad X220i Series
ThinkPad X230 Series, ThinkPad X230i Series

NOTE：Please check the model number before you place order! Our compatible model list is not complete,if you can not find your laptop model in it please contact us.