A:I also like the Solio Bolt ($70). It comes with panels that fold out, and, like the Guide 10, it charges devices with a USB cable. Charging an iPhone takes three to four hours. One nice feature is the Bolt's internal battery, which can re-charge up to two devices when at full power. Even better, that internal battery can be charged with the sun or plugged into an outlet, giving it great versatility.
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