BTI LN-4X50M08812-BTI 10.8V 72WHR LI-ION BATTERY 01AV427, 61++, 01AV428, LN-4X50M08812, 01AV492, SB10K97584, 4X50M08812 THINKPAD 25, 25 20K7, P51S, T470, T470 20HD, T470 20HE, T470 20JM, T470 20JN, T480, T480 20L5, T480 20L6, T570, T570 20H9, T570 20HA, T570 20JW, T570 20JX, T580, T580 20L9, T580 20LA, A475, A485 - Compatible OEM: 01AV427, 61++, 01AV428, LN-4X50M08812, 01AV492, SB10K97584, 4X50M08812 Model: THINKPAD 25, 25 20K7, P51S, T470, T470 20HD, T470 20HE, T470 20JM, T470 20JN, T480,