Lithium-Ion (Li-Ion). 3760 mAh 58 Wh. 15.44 V. Brand compatibility: Lenovo. Black. Number of batteries included: 1 pc(s). BTI L19C4PDB-BTI 4-cell 15.44V Li-Ion Notebook Battery for LENOVO THINKBOOK. Features. Brand compatibility. Lenovo. Product colour. Black. Battery voltage. 15.44 V. Number of battery cells. 4. Battery capacity. 3760 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