Lenovo LAPTOP BATTERY L21D3P70/L21M3P70/L21C3P70/L21L3P70 Voltage: 11.61V (11.25V and 11.4V compatible) Capacity: 49.57Wh / 4270mAh 3-cell or 4-cell Battery type: Li-ion or Li-polymer Condition: Brand new Color: Black Compatible with ThinkPad X1 Nano Gen 2 Series ThinkPad X1 Nano Gen 3 Series IdeaPad 1-14IGL7, 1-14IJL7, 1-14IAU7, 1-14ADA7, 1-14ALC7, 1-14AMN7 Series IdeaPad 1-15IGL7, 1-15IJL7, 1-15IAU7, 1-15ADA7, 1-15ALC7, 1-15AMN7, 1-15IRU7 Series 4 Cell Laptop Battery