Consider what USB devices you want to charge

Reviewed by Cleaner from Florida on Friday, March 1, 2013
This product will not provide enough current to charge many USB compatible devices even in full sunlight. Review the charging requirements for your devices before ordering this. Many smartphones, tablets, readers etc. require more current to charge than this can deliver at full output. It also does not apparently have a blocking diode to prevent it from draining a device connected to it of power. It does work but I was not able to charge my smartphones or tablets with it. It is best suited for a battery pack that has charge management circuitry that will prevent reverse current when connected to the panels.
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