This is a generic, equivalent one, 100% compatible. This 11.1V 44WH Replacement battery is designed to compatible with Lenovo ThinkPad T420i T420s T430s.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 11.1V
* Battery Capacity: 44WH
* 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:
0A36287, 45N1036, 45N1037, 45N1038,
42T4844, 42T4845, ASM 42T4846, FRU 42T4847,
45N1039, 45N1064, 45N1065, 45N1143

Compatible with the following Lenovo notebook models:
Lenovo ThinkPad T420i Series
Lenovo ThinkPad T420s Series
Lenovo ThinkPad T430s 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 .

Package Included:
1 x 11.1V 44WH Replacement Battery For Lenovo ThinkPad T420i T420s T430s