Battery-Biz Inc. Duracell 7.4 Volt Li-Ion camcorder battery Rectangular battery with slit type contacts on the bottom. 100% OEM compatible Full one year warranty Guaranteed to meet or exceed original specifications Li-Ion 7.4 volt, 1640mAh Li-Ion battery Compatible with many Sony DCR and HDR series camcorder models 100% OEM compatible No memory effect 3 Year Limited Warranty