VINTRONS 1500mAh Battery For Motorola MD-7091, SD-4501, SD-4502, SD-4551, SD-4561, Capacity: 1500mAh / 5.4Wh Type: Ni-MH Volts: 3.6V Size : 50.50 x 42.35 x 14.39mm Certificated with ISO9001, RoHS & CE;