Need a new battery, or just an extra one, for your digital camera or camcorder? The CTA rechargeable battery is the answer to your battery conundrum. This CTA Digital battery replaces the Sony NP-F550 digital camera and camcorder battery. This battery was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers. Recharge your wallet with savings at Overstock.com. Specifications: Chemistry: Lithium-ion Voltage: 7.2 mAh (capacity): 1800mAh Run time (shooting time): up to 4 hrs Memory effect: no Warranty: 3 years Compatible digital cameras: Sony DCM-M1/DCR-SC100/DSC-D700/DSC-D770/MVC-CD1000/MVC-FD100/MVC-FD200/MVC-FD5/ MVC-FD7/MVC-FD51/MVC-FD71/MVC-FD73/MVC-FD75/MVC-FD81/MVC-FD83/MVC-FD85/MVC-FD87/MVC-FD88/ MVC-FD90/MVC-FD91/MVC-FD92/MVC-FD95/MVC-FD97/DKC-FP3