I went with 4- 5 watt panels awhile back and love them, I had originally got them at Northern tools for a decent price but now they stopped carrying them. As for a quick solution the Brunton may be a option but it will take a while to fully charge. The more watts the better and foldable allows for storage.



Other options:
http://store.altenergystore.com/Solar-El...e-Charger/p809/
http://store.altenergystore.com/Backup-P...ower-Pack/p573/
http://www.cetsolar.com/solarbatchargers.htm

Link to the forum on my set up.
http://forums.equipped.org/ubbthreads.ph...=true#Post89817