Join Date: Jan 2003
Location: Maine Coast
Thanked 287 Times in 220 Posts
Rep Power: 17
Re: PHOCOS solar charger experiences?
This is why above I specifically stated "or SunPower panels".... SunPower panels, and a number of others intended for grid tie, are positive ground but to use them on a boat you really need to bypass that by not wiring in the positive ground and you then need to isolate them as Steve has done.. SunPower brand panels are not sold to off grid application so Steve obviously had some connections to get them...
Positive ground systems are more related to grid tie systems and high voltage panel configurations... Some controllers will allow it to be re-configured for positive ground & negative ground but some won't/can't.
I do not have the manual for that Phocos so can't say for sure...
On boats we are negative grounded...
-Maine Sail / CS-36T
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