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.

Compatibility

Cameras: DSC-J20, DSC-QX10, DSC-QX100, DSC-QX30, DSC-TF1, DSC-TX20, DSC-TX200V, DSC-TX30, DSC-TX300V, DSC-TX55, DSC-TX66, DSC-W610, DSC-W620, DSC-W630, DSC-W650, DSC-W670, DSC-W690, DSC-W710, DSC-W730, DSC-W810, DSC-W830, DSC-WX100, DSC-WX150, DSC-WX170, DSC-WX200, DSC-WX220, DSC-WX50, DSC-WX60, DSC-WX70, and DSC-WX80

Chargers: BCTRX and BCTRV