Go Power's New MPPT 40 Controller

As solar arrays are getting larger for RV's, Go Power released a new 40 amp MPPT controller aimed at providing power for the new residential refrigerator only Class A Coaches, fifth wheels and Travel Trailers. Their new controller is the most efficient charge controller on the market designed to charge 12 volt batteries. Most campers and motorhomes use a 12 volt house battery bank system to power items like lights, power inverters, water pumps, fans and refrigerators.

Buy The Go Power MPPT 40 Here


Set Battery Type using Dip Switches on MPPT 40 Solar Controller

Maximum wire size to house battery is #4, but can use 2 strands.

We have created a few articles providing details on the proper operation of this new charge controller.


Remote display panel for the Go Power GP-MPPT-40 solar battery charge controller

There is an optional remote panel available for the controller that makes getting reading from the solar array as easy at glancing at the display.