This battery replaces the Acer Aspire 5220 5310 5320 5520 5520G 5710 5710Z 5720 5720Z 5910 5910G 5920 5920G 6920 6920G 7220 7320 7520 7520G 7520Z 7720 7720G 7720Z 7730z 8920 laptop batteries and a host more which are listed at the extreme bottom of this web page. Also replaces the Gateway MC73, MC78, MD24, MD26, MD73, MD78 series laptop batteries. Replaces these many Acer laptop battery part numbers: 1010872903 934T2180F AS-2007B AS07B31 ASO7B31 AS07B32 ASO7B32 AS07B41 ASO7B41 AS07B42 ASO7B42 AS07B51 ASO7B51 AS07B52 ASO7B52 AS07B71 ASO7B71 AS07B72 ASO7B72 ICK70 ICL50 ICW50 ICY70 JDW50 LC.BTP00.007 LC.BTP00.008 LF1 MS2221 ZD1 What's in the box 1 x Battery