The Sony NP-BN N-Series Rechargeable Battery Pack for Select Cameras can be used as a spare or as a replacement for the battery that originally came with the camera. It has a capacity of 600mAh, an output of 3.6V, and a total of 2.2Wh. It is compatible with the BCTRX & BCTRV chargers

• Rechargeable Battery Pack
  
• 600mAh
  
• Compatible with selected DSC Cameras
  
• Compatible with BCTRX & BCTRV Chargers