Battery sweating

Captain chunky
Captain chunky Registered Users Posts: 18 ✭
in General Solar Power Topics #1
Checked the battery box today after a rainy night, no water in the box" thank my lucky stars" but I did notice what felt like sweat on the outside of my battery. Anybody ever notice batteries sweating, I'm probably going to add a fan in there soon. Thanks
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  • westbranch
    westbranch Solar Expert Posts: 5,183 ✭✭✭✭
    #2
    Re: Battery sweating

    has it been cold and then warmed up when it started to rain? If so it may be condensation on a cold battery.
     
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  • Captain chunky
    Captain chunky Registered Users Posts: 18 ✭
    #3
    Re: Battery sweating

    Yeah we went from rain to a nice an sunny day. thanks for the reply. Plus this mugginess probably isn't helping.
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  • waynefromnscanada
    waynefromnscanada Solar Expert Posts: 3,009 ✭✭✭✭
    #4
    Re: Battery sweating
    westbranch wrote: »
    has it been cold and then warmed up when it started to rain? If so it may be condensation on a cold battery.

    I've seen this a few times. Always when the weather suddenly turns warmer than the batteries and high humidity. Think of taking a cold bottle of pickles out of the fridge and placing it on the table in room temp conditions. It steams up. Fan could actually make things worse, directing warmer (warmer than batteries) moist air on cold batteries.
    Won't hurt the batteries and the condensation won't last long once the temperature reverses and the humidity falls off.
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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #5
    Re: Battery sweating

    I get the same thing on my generator, it cools off at night, and then mid morning, it's all sweaty !
    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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