You're in luck—there are several excellent solar chargers on the market. And with the number of sophisticated electronic devices people are now carrying, it's no wonder that solar chargers are becoming more popular.
For lightweight travel, check out the Goal Zero Guide 10 Plus Adventure Kit ($160). It comes with four rechargeable AA batteries (with an adapter, it'll charge AAAs, too), and will also connect to any device that can carge with a USB cord. In bright sun, the AA pack fills up in three or four hours. Plus, it’s compact and light at two pounds.
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