This CTA Digital battery replaces the Sony NP-FS10 and NP-FS11 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. Chemistry: Lithium-ion Voltage: 3.7, mAh (capacity): 1300mAh, Maximum run time from one charge, Compatible Cameras, Sony Cybershot DSC-F505 DSC-F505V DSC-F55, DSC-F55V,DSC-P1.