Batterytec&reg; Battery for LENOVO IdeaPad Z500 Z500 Touch Series, Z400 Z400 Touch Series, IdeaPad P500 P500 Touch Series. L12L4K01 L12S4E21 L12S4K01 L12M4E21 L12M4K01. [14.4V 2200mAh, 12 Months Warranty] Battery Type: Li-ion, Cells: 4-cell,Capacity: 2200mAh; Voltage: 14.4V. 100% New Manufacturer. To 500 charging cycles during the lifetime of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 12 months Warranty without problems. Class A cells provide fast loads and low power consumption, chip protection offers both security and stability.