Battery2go - 1 year warranty - 3.6V Battery For Welch-Allyn 71055C, 71000A, 71020A, 71020C, 71000C, 72300 Capacity: 750mAh / 2.7Wh Type: Ni-CD Volts: 3.6V Size : 71.21 x 25.40 x 25.40mm Certificated with ISO9001, RoHS & CE;