This CTA Digital battery replaces the Canon BP-522 digital camcorder battery. This high capacity Lithium-Ion battery pack doubles the running time when compared to the BP-511 It was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers. Look to Overstock.com for hot deals on cameras and accessories. Specifications: Chemistry: lithium ion Voltage: 7.4V mAh (capacity): 2600mAh Run time: up to 5 hours shooting time Memory effect: no For use with the following Canon camcorder models: ZR10/ZR20/ZR25mc/ZR30mc/ZR40/ZR45mc/ZR50mc/ZR60/ZR65mc/ZR70mc/ZR80/ZR85/ZR90/Optura PI/Optura 10/Optura 20/Optura 100mc/Optura 200mc/MV30/MV30i/MV300/MV300i/MV400/MV400i/ MV430/MV430i/MV450/MV450i/MV500/MV500i/MV530i/MV550i/MV600i/MV630i/MV650i/MVX100i/MVX150i/ MVX1i/MVX2i