VINTRONS 1450mAh Battery for Apple iPhone 4S, MD279LL/A, MD281LL/A, MD280LL/A, MC920LL/A, Capacity: 1450mAh / 5.37Wh Type: Li-Polymer Volts: 3.7V Size : 82.30 x 31.30 x 3.90mm Certificated with ISO9001, RoHS & CE;