Need a new battery, or just an extra one, for your camcorder? The CTA rechargeable battery is the answer to your battery conundrum. This CTA Digital battery replaces the Sony NP-FA50 camcorder battery. This battery was designed to meet or exceed OEM specifications and is 100-percent compatible to the original equipment chargers. Specifications: Chemistry: Lithium-ion Voltage: 7.2V mAh (capacity): 700mAh No Memory effect: For use with the following Sony Camcorders: DCR-HC90 DCR-PC55/B DCR-PC55/R DCR-PC55/S DCR-PC55/W DCR-PC1000 DCR-DVD7 And all similar models