Panasonic CGA-DU21A/1B Lithium-ion Rechargeable Battery for most Panasonic Camcorders Rechargeable Lithium-ion battery for Panasonic camcorders Intended for use with the PV-GS200, 400, 120, 55, 70, and 50 Panasonic digital camcorders For use with the VDR-M70, 50, and 30 Panasonic DVD camcorders Powers camera for up to six hours and 45 minutes