ATC Extended Battery Replacement for ACER Aspire One 10.1" (Black),Aspire One 8.9" (Black),Aspire One Pro 531f-2G64Bk, Aspire One Pro 531h-1G16Bk, Aspire One Pro 531h-1G25Bk, Aspire One Pro 531h-2G25Bk,Aspire One A110, A150, D150, D250, P531h Series Battery Replacement Acer LC.BTP00.017, UM08A31, UM08A51, UM08A71, UM08A72, UM08A73, UM08A74, UM08B71, UM08B72, UM08B73, UM08B74 (9-Cell Equivalent)