Lenovo ThinkPad T470, T570, T480, T580, 01AV422, , 01AV424, 01AV452 Replacement Laptop BatteryCompatible ModelsT580, TP25, A475, P51S, P52s, T470, T480, T570Original Part Numbers 01AV422, 01AV423, 01AV424, 01AV425, 01AV426, 01AV427, 01AV428, 01AV452, 01AV490, 01AV491, 4X50M0881, L18M6P71, SB10K97579, SB10K97580, SB10K97581, SB10K97582, SB10K97583, SB10K97585, SB10K97597, SB10K97661Package Includes 1 x Replacement Laptop Battery