D440 D442 D443 D443 D520 D528 D640 D640G D642 D644 D720 D728 D729 D729Z D730 D732 D732Z E440 E442 E443 E443 E529 E642 E644E644GE729Z E730 E732 MS2305 battery. Compatible Models：( Ctrl + F for fast search ur laptop model).
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