01AV422 01AV423 01AV424 01AV425 01AV426 01AV427 01AV428 01AV452. For Lenovo ThinkPad T470 T570 T480 T580 A475 A485 P51S P52S TP25 Series. Step 3: Disconnect the cable connected to the battery and then take out the battery.
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