2200mAh Battery For Sokkia SET5 30RK3, SET530RK3, SET2 30RK, SET230RK Capacity: 2200mAh / 16.16.28Wh Type: Li-ion Volts: 7.4V Size : 70.30 x 38.00 x 20.10mm Certificated with ISO9001, RoHS & CE;