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mel-hendricks asked

75/15 SmartSolar MPPT. Can I disable both solar and the battery with ONE SPST Switch turning off negatives to PV and BATTY?

75/15 MPPT: Using 1 switch EACH to A) Turn off solar before disconnecting battery (to prevent surge) and B) Disconnect battery to prevent 30mA SolrCtlr battery discharge.

Can I do both with 1 SPST switch to disconnect BOTH BattyNeg and SolarNeg? They appear to be connected per my ohmmeter.

I suspect I'm overthinking this and may not need the switch to prevent battery disconnect surge at this low amperage.

BTW, this is important to my RV customers -- 1 switch would make this MUCH SIMPLER! Thanks!

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