HWG X220 Battery 6 Cells for Lenovo ThinkPad X220 X220i X220s 0A36281 0A36282 0A36283 42T4863 42Y4864 42Y4868 42T4902 42Y4940 (11.1V/5200mAh) Battery type: Li-ion; Voltage: 11.1V; Capacity: 5200mAh; Cells: 6-cell; Color: Black Compatible Models: 0A36281 0A36282 0A36283 42T4863 42Y4864 42T4867 42Y4868 42T4873 42Y4874 42T4901 42T4902 42Y4940 etc. Series. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption. Every battery has passed factory testing; Durable grade A cells battery; Quality assurance. 24 x 7 email support; 12-month hassle-free warranty. Fulfilled by Amazon.