Power2tek 3.6V BATTERY Fits to Bell-South 3892, CL510, 689, 2677, 684, 3535, 675, 2673, Southwind 699 +FREE ToolSet Capacity: 600mAh Type: Ni-MH Volts: 3.6V Size : 47.82 x 35.83 x 19.48mm Certificated with ISO9001, RoHS & CE;