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Simple USB UPS
What I'd like to see is a development of this idea.Something that could take power from a 5W solar panel for charging (up to 24v despite being a nominal 12v) for charging.Then to have the capacity to charge a phone, MiFi pad and a tablet several times.I'm building a motorhome and such a device would totally eliminate any need for batteries or generators and I'm at the stage where I don't yet have an internal electrical system.
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