Rechargeable Replacement Spare Battery with Extended Life (900mAh) for GOgroove SonaVERSE BX , SonaWAVE BX , SonaWAVE 3 , SonaVERSE BXL and BlueSYNC SRC Portable Speaker Systems
This works fine for the SonaVERSE BX. And it also works for the Contour Plus 2 camera with no problems.