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I am looking for a way to power my webcam without having to use a long extension cord outside. I have come up with this circuit. Will it work? Can I improve it? enter image description here

Thanks in advance for the help!

winny
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Gelato
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    Instead of the DC-DC converter, you'll want what's called a Maximum Power Point Tracking regulator. Solar panels have a voltage/current output curve that needs more a little more finesse than a standard buck-boost can do to get optimal output power. I believe there are a bunch that have BMS built in. – vir Feb 08 '22 at 21:44

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That will work somewhat, but the performance will be poor and the DC DC controller won't be a proper load for the solar panel. A solar panel is a variable source with an IV curve.

What you need is an MPPT controller instead of a buck boost converter. Even better, they sell solar charge controllers that integrate BMS, MPPT in one unit.

Voltage Spike
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