Lenovo L15C3PB1 IdeaPad 520s Flex4-1470 11.4V 52.5Wh Battery -  Compatible Part Numbers: 5B10K84538, 5B10K84638, 5B10M49821, L15C3PB1 - Battery Type: Li-ion, Battery Volt: 11.4V, Capacity: 52.5Wh, Battery Color: Black, Condition: 100% New, Warranty: 12 mo