For Lenovo ThinkPad A475 A485 T470 T570 T480 T580 P51S P52S TP25 Series. ( NOT fit for T460S T470S T480S series laptop.). 61+ 01AV422 01AV423 01AV424 01AV425 01AV426 01AV427 01AV428 01AV491. For Lenovo.
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