HWG X220 High Capacity 9-Cell Battery (11.1V 7800mAh) for Lenovo X220 X220i X220s 0A36281 0A36282 0A36283 42T4861 42T4865 42T4873 42T4875 42T4899 42T4901 [Not Compatible with X230 X220T] Battery type: Li-ion; Voltage: 11.1V; Capacity: 7800mAh; Cells: 9-cell; Color: Black Compatible Models: X220 Series, X220i Series, X220s Series, 0A36281, 0A36282, 0A36283, 42T4863 etc. Series. (not for X230) 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.