... :900mAh 3.Fast Delivery 4.One Year Warranty For Sony NP-BN1 1.TypeLithium Battery2.Voltage3.7V3.Capacity900mAh4. ... 100% compliant.2.We carry on QC test for every finished product,to assure every battery can ... FCC,RoHS,UL certificates to assure the quality.Picture For Sony NP- BN1 With this external battery, you will ... to you need.Anything l can do for you, please feel free to contact us. For Sony NP-BN1