Replacement Battery for Sony NP-33, NP-55, NP-66, NP-66H, NP-68, NP-77, NP-98 Capacity: 4200mAh Type: Ni-MH Volts: 6.0V Size : 89.30 x 46.20 x 36.60mm Certificated with ISO9001, RoHS & CE;