Brand‎GenericItem Height‎4 CentimetersItem Width‎2 CentimetersProduct Dimensions‎32 x 2 x 4 cm; 410 GramsItem model number‎Dell-LaptopBTCapacity‎4400mAhVoltage‎11.1 VoltsAre Batteries Included‎YesLithium Battery Energy Content‎44 Watt HoursLithium Battery Weight‎7.2 GramsWeight‎410 gCompatible with Studio 15, Studio 1535, Studio 1536, Studio 1537, Studio 1555, Studio 1557, Studio 1558, Studio PP33L, Studio PP39L, 12-0701, 312-0702, C313K, KM887, KM898, KM901, KM904, KM905, KM958, KM965, KW898, MT264, MT275, MT276, MT277, PW772, PW773, RM803, RM804, WU946, WU959, WU960, WU965, Y271J,BUILT TO LAST FOR YEARS. Our new 6cell Li-ion battery is rated at 11.1V,4400mAh/44Wh Combined with its 'A' grade Premium cells and smart control chip, you can expect it to outperform, out-gun and out-last any battery out there