Lithium-Ion (Li-Ion). 4950 mAh 38 Wh. 7.68 V. Brand compatibility: Lenovo. Black. Number of batteries included: 1 pc(s). Features. Brand compatibility. Lenovo. Product colour. Black. Battery voltage. 7.68 V. Number of battery cells. 2. Battery capacity. 4950 mAh. Battery technology. Lithium-Ion (Li-Ion). Certificates. Certification. UKCA, CE. Compliance certificates. CE, UKCA. Packaging data. Number of batteries included. 1 pc(s). leaflet. Origin Promo. Origin Eco