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NinerBikes's avatar
NinerBikes
Explorer
Nov 18, 2014

Testing the new to me NON MPPT 20 amp Charge controller

I ordered this on Amazon, it came from China. While it is stated that it is MPPT, I bought it with only the intentions of running it in it's PWM mode. What I have found it that this unit pretty muc...
pianotuna's avatar
pianotuna
Nomad III
Nov 18, 2014
Hi Niner,

I would have gone to 250 watts with a 150 amp-hour battery bank. What you have now will work well so long as you are "lean" on inverter use.

Myself, I'm an energy hog. Using the Magnum as a charger means that the solar is doing just about nothing in the bitter winter. Perhaps as it gets colder that might change--but I'm sans RV until March 6, 2015.

The controller is not even PWM, unfortunately. MPPT not PWM not

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