Lithium-Ion (Li-Ion). 4080 mAh 47 Wh. 11.52 V. Brand compatibility: Lenovo. Black. Number of batteries included: 1 pc(s). BTI replacement 3 cell battery for LENOVO THINKPAD L14 GEN 4, L14 GEN 4 21H1, L14 GEN 4 21H2, L14 GEN 4 21H5, L14 GEN 4 21H6, L15 GEN 4. Features. Brand compatibility. Lenovo. Product colour. Black. Battery voltage. 11.52 V. Number of battery cells. 3. Battery capacity. 4080 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Quantity per pack. 1 pc(s). Number of batteries included. 1 pc(s). leaflet. Origin Eco. Origin Promo