Does the battery charge in-camera via the usb port? If so, as Ahab suggested, there would be a multitude of options out there for using solar to charge via usb. If it uses it's own wall charger, you'd probably want to find a different charger that could charge the battery through a usb port, as that tends to be the primary solar option (due to cell phones and mp3 players being the primary charging use for most of the solar options).
Unfortunately most of the users here on the forum are DSLR users, so we probably won't be much help in this area as a solar powered charger for dslr batteries would have to be quite a bit more robust!
Last edited by pxpaulx; 06-11-2011 at 09:31 AM.