Lithium-Ion (Li-Ion). 5600 mAh 60 Wh. 10.8 V. Brand compatibility: Lenovo. Black. Number of batteries included: 1 pc(s). Replacement battery for LENOVO - IBM Thinkpad X220 X230 laptops replacing OEM Part numbers: 0A36305 0A36282 40Y7625 0A36306// 10.8V 5600mAh. 6-Cell Battery for Lenovo Thinkpad X220 X220I. Features. Battery technology. Lithium-Ion (Li-Ion). Battery capacity. 5600 mAh. Number of battery cells. 6. Battery voltage. 10.8 V. Product colour. Black. Brand compatibility. Lenovo. Compatible products. Thinkpad X220 X230. Replacement for. 0A36306. Packaging data. Number of batteries included. 1 pc(s). Quantity per pack. 1 pc(s). Origin Promo. Origin Eco