Forum Discussion
phemens
Sep 23, 2020Explorer
CA Traveler wrote:red31 wrote:Once the batteries are full the unused solar power is available for house loads, ie keep the batteries full until sunset. Some have used the excess power for say hot water but I'm not sure how well that works out.
For me the purpose of a controller is to limit power going to a battery (trailer storage), that and 'sleep' or night mode were it prevents batt drainage. 'Full by noon' means the controller was limiting power before noon and the rest of the day unless you have some other use of the excess power.
In active use many things limit power, location, calendar, orientation, temperature, overcast, smog, shade, bird poop, dirt ...
I'm one of them. After noon, everything I get from solar is bonus, so I do run the electric water heater - free money! ;)
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