4400 mAh 10.8V // compatible : Models Aspire 4250Aspire 4250-C52G25MikkAspire 4250-E352G50MIAspire 4250GAspire 4250ZAspire 4251Aspire 4251GAspire 4251ZAspire 4252Aspire 4252GAspire 4252ZAspire 4253Aspire 4253GAspire 4333Aspire 4339Aspire 4349Aspire 4350Aspire 4350GAspire 4352Aspire 4551Aspire 4551-2615Aspire 4551-4315Aspire 4551GAspire 4551G-P322G32MnAspire 4551PAspire 4552Aspire 4552-5078Aspire 4552G