If you are just going to be lying on the beach and you want to keep your phone or ipod/mp3 player working, you can have a solar charger that plugs straight into the devices. Also, if you are in a very sunny region, you can work out how much power you need, and can probably get one with a large enough panel or connecting panels to keep most of your camp going! The downside of this is that no sun equals no phone or music. So you really need to......
