SONY QM Series DV Camcorder Battery Pack
◆ Li-ion battery pack of 7.2V nominal
◆ Comparable to SONY M series DV
◆ Display remaining power info on
◆ 32Wh / 4.5Ah capacity
◆ Multiple circuit protections
S-8M91 is a 7.2V, 32Wh Li-ion DV battery compatible with SONY DV battery NP-QM71/71D/91/91D. The build-in intelligent circuit has multiple protections of abnormal current, voltage and temperature.