This CTA extended battery replaces the Panasonic CGR-D54 video camcorder battery. It was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers. Power up with hot deals from Overstock.com. Specifications: Chemistry: lithium-ion Voltage: 7.2V mAh (capacity): 5600mAh Run time (shooting time): up to 10 hours Memory effect: no For use with the following Panasonic camcorders: AG-DVC30/AG-DVX100/AG-DVX100A/AG-DVC60 and all similar models