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Bobbo's avatar
Bobbo
Explorer II
Jul 28, 2021

Best weatherproof MPPT solar charge controller

I am about to buy 200 watts of portable solar panels in a suitcase configuration. I was about to get a Renogy 200 watt unit that comes with a weatherproof 20 amp PWM controller, but I really want an M...
Bobbo's avatar
Bobbo
Explorer II
Jul 29, 2021
CA Traveler wrote:
My 3 series panels on the roof have 62' total of 10 gauge wire to the controller resulting in 0.4% voltage drop which is very low. ie The panels on the ground could be about 31' from the controller.

You say your panels are SERIES. That is exactly what I am trying to accomplish. The weatherproof PWM controller that Renogy sells can not handle the panels in series, only in parallel. That is why I am wanting an MPPT controller.

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