diy solar

diy solar

Charging from multiple sources

It should be easy enough to check the specs of each one to know for sure but realistically, I wouldn't be leaving the charger on long enough to get into BMS cutoff voltage. I would only be using it when it has been cloudy or covered with snow long enough to drain down to 10-15% and turn it off when it gets above 80%. No need to stress the batteries if I can come back the next day to turn it on again. Or, I could just switch back to grid power until the snow melts. This small system I'm building is more a SHTF scenario for when I don't want to be running the whole house natural gas generator or one of my two other small generators. My usage parameters will be slightly different than those living off grid with fewer options. But I understand now why some would want to run it through the charge controller if possible, to be more fully automated.
 
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