Solar panels without charge controllers



Messing around on the beach with small solar panels and no charge controllers. Dropping the voltage down to 5V for USB gadgets.

In this video I test a 10W semi-flexible solar panel from Spectra which is primarily designed to be mounted to the curved bow of a boat. I also test an 11W fold-up panel from Portapow with built in USB ports.

The Portapow solar panels are using more modern cells and aren’t as picky about being angled towards the sun.

Not a terribly detailed video but this is the kind of solar experiment I enjoy doing.

I had hoped to use my USB dummy load and watt meter to measure the maximum output of each panel but ran into some technical issues.

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Post time: 08-18-2017