This CTA digital battery replaces the Canon BP-412 digital camcorder battery. It was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers. Power up with great savings from Overstock.com. Specifications: Chemistry: lithium-ion Voltage: 7.4V mAh (capacity): 1800mAh Run time (shooting time): up to 1.5 hrs Memory effect: no For use with the following Canon camcorders: Elura 2/Elura 2MC/Elura 10/Elura 20MC/Optura 300/ and all similar models