This CTA Digital battery replaces the Sony NP-FR1 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: 3.6, mAh (capacity): 1100mAh, Maximum run time from one charge, Compatible Cameras, Sony Cybershot DSC-F88 DSC-G1 DSC-P100 DSC-P150, DSC-P200 DSC-T3 DSC-T30 DSC-T50 DSC-V3.