Lenovo L18M4PH0 / L18C4PH0 Original Laptop Battery Model Numbers: L18M4PH0, L18C4PH0 (12 Cables) Battery Type: Li-Polymer Number of Cells: 4-Cell Voltage: 15.36V Capacity: 60Wh / 3950mAh Connector Type: 12-Cable design for stable power delivery Compatible with Yoga Series ThinkPad Series IdeaPad Series 4 Cell Laptop Battery