As EcoGeek notes, yet another option for low-voltage device charging is available out there. Certainly does raise the question—how much is enough. I mean, it certainly is great that all these companies are vying for your attentions with solar gadgetry but doesn’t it seem like it could get out of control and all of a sudden we’ve negated all the good solar energy charging for our little products could have done by having tons and tons of unsell-able units sitting in containers off the coast of Seattle?? (And I realize that was probably the longest sentence to date on this site.)

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