Sony NP-F550 Battery are made from a grade cells and highest quality parts, the Sony camcorder battery are tailored made according to the original size, whether the battery appearance, size and quality are the same as with the original. Every battery should be under strict quality control including filtration and safety testing of voltage,capacity and battery core before leaving the factory, and has passed the authentication of CE, UL, EMC, CQC,ROHS, etc.
Product featuresThe F550 is usually substituted which does not work in the digital camera, or the charger. This battery charged very fast and is working great. I was about to toss my camera due to battery issues - but now life is good.

