Panasonic CGA-DU21A/1B Lithium-ion Rechargeable Battery for most

The Panasonic CGA-DU21A/1B Lithium-ion Rechargeable Battery is a battery pack intended for use with the PV-GS200, 400, 120, 55, 70, and 50 Panasonic digital camcorder models and the VDR-M70, 50, and 30 Panasonic DVD camcorder models. This battery pack lasts up to six hours and 45 minutes. The operation time was achieved on continuous recording at 68-degrees Fahrenheit and at 60-percent humidity with a power consumption of 4.3 W (for DVC) and 6.0 W (for VHS-C). Operating time will vary by model of camcorder, usage, and temperature.