Recommendation for overnight battery charging

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  • Brian53713
    Solar Fanatic
    • Oct 2016
    • 167

    Recommendation for overnight battery charging

    Record cold predicted this evening, would 2 Amp or 10 amp be recommended attached to battery installed in car in garage to keep battery charge? Battery hasn't had a problem past few mornings, but have the ability to put it in the garage if necessary attached to the 2:00 amp 10 amp 50 amp charger. Is either 2 or 10 amp safe and or recommended to leave attached overnight on a fully charged battery? Charger does have an auto off, lower the voltage feature.
  • Mike90250
    Moderator
    • May 2009
    • 16020

    #2
    Not knowing the charger or battery , I think 2A overnight should be alright I'd not leave it on for days unless the charger specifically states its ok
    Powerfab top of pole PV mount (2) | 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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