Lenovo L17M4PG2 LAPTOP BATTERY Voltage: 15.36V Capacity: 76Wh (4955mAh) Battery Type: Li-ion / Lithium-Polymer Number of Cells: 4-Cell Color: Black Condition: New Compatibility with Legion Y730-17ICH Series Legion Y740-17ICH Series Legion Y9000K Series 4 Cell Laptop Battery