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74vette's avatar
74vette
Explorer
Dec 31, 2013

Erratic voltage reading on GPR-22 solar controller

I am getting ready to head south and was checking the charge rate on my Go Power solar regulator. It seems to be charging the batteries but when showing the voltage on the meter, it is jumping around...
Shadow_Catcher's avatar
Shadow_Catcher
Explorer
Dec 31, 2013
There is NO substitute for having a battery monitor that tells you via a shunt what is going into and coming out of your battery volts and amps and knowing the SOC. Trimetric or Victron.
There is also no substitute for a VOM/multimeter and knowing how to use it to check connections and voltage along the way.
Looking at Go Power and their 'kits' it is clear they are clueless about voltage drop, using 10Ga wire and including 50' of it...

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