Lithium-Ion (Li-Ion). 3290 mAh 52 Wh. 15.2 V. Brand compatibility: Lenovo. Black. Number of batteries included: 1 pc(s). Origin Storage BTI 4C BATTERY LENOVO THINKPAD CARBON 4TH GEN OEM: 00HW028 power adapter/inverter. Features. Brand compatibility. Lenovo. Product colour. Black. Battery voltage. 15.2 V. Number of battery cells. 4. Battery capacity. 3290 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Quantity per pack. 1 pc(s). Number of batteries included. 1 pc(s). leaflet. Origin Promo. Origin Eco