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dewey02's avatar
dewey02
Explorer II
May 08, 2017

Portable Solar being set up - Please check my plans

I will be installing a portable solar system and want to check with folks to see if the set up I have planned is correct. While this will be a home-built portable unit, I will be installing an elect...
mike-s's avatar
mike-s
Explorer
May 09, 2017
The current changes with irradiance, voltage not so much. And the voltage drop is directly related to current. Even at low light levels, a "12 V" panel will produce enough voltage to charge a battery with a PWM controller.

Not sure where that "use 24 V" comes from, an MPPT will run them at more like 16-19V, and with a PWM they'll run at the battery voltage.

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