MPPT charge controller and DC distribution

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  • mike95490mike95490 Solar Expert Posts: 8,653 ✭✭✭✭✭

    Batteries being charged, or discharged, give inaccurate state of charge readings via Volt meter. To use a voltmeter reliably, the bank needs to sit idle for several hours, only then it is possible to use voltage as an indicator of SoC. Living with batteries, often the best time is to check the voltage first thing in the AM, before any lights, appliances or other loads get turned on. There will be some error if you have a fridge that was running an hour ago, but it's the best likely time to read the voltage

    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

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