I am looking at the solar panel/battery combination, and wondered about using Economy 7 overnight to top up the batteries.
What concerns me is that if the battery is filled 100% at night, there will be no space left to store any free power when the sun comes up. What I was hoping was that today’s systems would work out how much spare capacity to leave in the battery overnight to prevent that from happening. Obviously that calculation would vary by season.
Has anyone any information about this please? I have yet to find anything online.
Best answer by ArundaleP
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