VINTRONS Mi-MH BATTERY Pack Fits JVC GR-AXM755US, GR-FX Series, GR-DVF20, GR-AX528, GR-SXM61, GR-AXM310 Capacity: 4200mAh / 25.2Wh Type: Ni-MH Volts: 6V Size : 89.28 x 46.30 x 38.10mm Certificated with ISO9001, RoHS & CE;