Genuine  LENOVO Extended Battery for ThinkPad T420, T430, T520, T530, W520, W530 Series.

Rating: 11.1V, 94Wh, 9-cell

Replaces the following part numbers:

45N1007, 45N1009, 45N1010, 45N1011, 0A36303, 57Y4185, 57Y4186, 42T4791, 42T4793, 42T4795, 42T4797, 0A36302, 45N1001, 45N1003, 45N1005, 45N1105.

Compatible with the following models:

ThinkPad L410, L412, L420, L421, L430 Series

ThinkPad L510, L512, L520, L530 Series

ThinkPad T410, T410i Series

ThinkPad T420, T420i Series

ThinkPad T430, T430i Series

ThinkPad T510, T510i Series

ThinkPad T520, T520i Series

ThinkPad T530, T530i Series

ThinkPad W510, W520, W530 Series