Lenovo L18M4PF5, L18L4PF0, L18L4PF4 Laptop Battery – 4 Cell, 15.36V/60Wh Compatible Part Numbers: L18M4PF5, L18L4PF0, L18L4PF4 Battery Type: Li-ion, 4-Cell Voltage & Capacity: 15.36V, 60Wh Compatible Laptop Models: IdeaPad: S540, S740, S940 series Yoga: Yoga C940, Yoga S940 ThinkBook: ThinkBook 13s, 14s, 15s series 4 Cell Laptop Battery