[RE-wrenches] RV solar with SunPower

[Marco Mangelsdorf]

A number of years ago SunPower switched to using a new cell that does NOT
require positive grounding.

So there should be no problem in using that 327 as described.

Marco

On Saturday, January 20, 2018, Mac Lewis <maclewis1 at gmail.com> wrote:

> Hi Wrenches,
>
> I have a buddy that would like to use a leftover SunPower E20-327-C-AC,
> panel on his RV.  Obviously he would need to take the inverter off.  What
> I'm not sure of is if this panel can operate in an ungrounded
> configuration, or negative ground or does this still need a positive
> ground?  If it does need a positive ground, are there any decent MPPT
> charge controllers that are fully isolated from PV to battery side, that
> would allow PV + ground and Battery - ground?
>
> Thanks
>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
>
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