61++ 01AV423 01AV425 Battery for Lenovo ThinkPad A485 A475 T480 T470 T570 T580 TP25 P51S P52S Series 4X50M08812 01AV422 01AV427 01AV428 SB10K97580 SB10K97584 SB10K97585 01AV490 01AV492 X50M08812