I do quite a bit of camping and hiking and end up taking quite a few batteries with me when I go out. I would like to be able to take just 7-8 AA size batteries with me (1-2 for my D10, 4 for my PT Apex, and 2 for my GPS) and keep them charged using something like a Brunton Solarroll. I like lithiums for their weight savings and, more importantly, their ability to hold a charge in cold weather. Therefore, I would like to use AW 14500's, but I need a good, small setup to charge them. If possible, I would also like to be able to hook up an iPod and my phone to keep them topped off also. Any ideas on where to get such a setup or how to make one? Keep in mind I don't really know anything about electronics.