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Winter storage battery maintenance

  • 01-09-2022 11:14am
    #1
    atahuapla
    Registered Users, Registered Users 2 Posts: 82 ✭✭


    Hi all, I am putting a Van into storage for the winter and the storage facility have asked me to remove the batteries as a part of the conditions for keeping it. (I guess to protect against a fire hazard).

    This means I'll need to take 2 batteries home with me; the main engine bay battery and an AGM leisure battery.

    In order to maintain them over the winter I'm wondering if it's safe, possible or advised to trickle charge them in my shed while they're separated from the vehicle? (I.e connecting the trickle charge clamps straight onto the battery terminals)

    If so, what kind of frequency would I need to do this for? bi-weekly, monthly?

    Thanks.



Comments

  • #2
    whizbang
    Registered Users, Registered Users 2 Posts: 2,023 ✭✭✭whizbang


    Trickle charge monthly at the very most if they are in good condition to start, and you keep them cool.

    The hotter they are, the faster they loose charge. Kept in a cold shed over winter, they wont loose much or any charge over 3 months.

    But do not charge them at very cold temps. -10deg lead acid, +5deg for Lithium ( i know they are probably not, but sometime !)

    If they are well charged, freezing point is below -20deg, so no worries there



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