Insten Extended Performance Replacement Battery for Specific Digital Camera and Camcorder Models/Compatible with Sony NP-FM30, NP-FM50, NP-FM51 One Year Warranty, 100% Satisfaction Guaranteed. Great for Home, Work or School. Engineered and Manufactured Under European Standard ISO 9001. Guaranteed Superior Quality Meets or Exceeds High Priced OEM Products. 1450 Mah, 7.4 Volts Protective Retail Packaging, Each Battery is Sealed Individually. Exclusive Offering of a Durable, High Performance, Extended Life Grade A Battery