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Wanting to add more solar on existing charge controller but different panels

uk-solar-guy
in Photovoltaics (PV)

Featured Replies

11 hours ago, Nickfromwales said:

Never disconnect panel strings in sunlight or under any load, and they need to be the last thing shut down.

For an off grid system the order is disconnect panels before batteries. I've killed an MPPT by getting that one wrong.

Just now, Crofter said:

For an off grid system the order is disconnect panels before batteries. I've killed an MPPT by getting that one wrong.

Thanks for the info. It'll be useful to the OP.

    • Like 1

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