This quality product replaces your original battery.
You can continue using your main charger.
Technical details:
Technology: Li-Ion
Capacity: 6600mAh
Tension: 11.1V
Colour: black
Compatible with the following devices:
Lenovo ThinkPad X220 / ThinkPad X220i / ThinkPad X220s / ThinkPad X230
Replaces the following original batteries:
0A36281 / 0A36282 / 0A36283 / 42T4861 / 42T4862 / 42T4863 / 42T4865 / 42T4866 / 42T4867 / 42T4875 / 42T4876 / 42T4901 / 42T4902 / 42Y4864, 42T4873, 42T4940, 42T4941, 42T4942, 42Y4868, 42Y4874, 0A36283, 45N1175, 45N1026, 0A36307