Forum Discussion
KD4UPL
Nov 25, 2018Explorer II
If you mentioned the brand and model of MPPT controller it would be a lot more useful.
Some charge controllers do not like having PV voltage when not hooked to a battery and can be damaged in that situation. Did you unhook the solar panels while swapping the batteries?
Some charge controllers do not like having PV voltage when not hooked to a battery and can be damaged in that situation. Did you unhook the solar panels while swapping the batteries?
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