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Thread: Storing batteries

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    Luv'n Life BigJim45's Avatar
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    Storing batteries

    Everytime whenI store my prowler I remove the batteries because I'm afraid that they will get legs and walk off. My question is, do I need to put them on a charger and if so for how long.

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    Senior Member sjs731's Avatar
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    Storing batteries

    I hook mine to a battery tender in my basement, plug them in and forget about them till spring.


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    August 29, 2018 porthole's Avatar
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    Re: Storing batteries

    Unless leaving them on a "battery tender" they should be charged up about once a month.
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    Re: Storing batteries

    Lead-acid batteries should be at full charge when put into storage and stored between 122 F and -40 F. Battery should be disconnected from all load using a battery disconnect switch or by removing a battery cable connection. If you need to supply any 12 volt load during storage then you must use a solar charger with charge controller or a battery tender to put more in to the batteries than the load is taking out each day to not let the batteries totally discharge which will reduce their capacity.

    A refreshing charge to the batteries should be done at least every 6 months to maximize the capacity of the battery long term. It is best for the batteries being stored if the temperature is 55 F or less.
    Last edited by evolvingpowercat; 10-14-2012 at 08:19 PM. Reason: edit
    Randy
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    Re: Storing batteries

    Most information concerning lead/acid batteries has been covered. Here's a little more. These batteries begin to loose their life as soon as they are placed into service. They are given a battery life in months and that is usually based on quality of construction. I've actually had a 60 month battery die right at 60 months. They will last longest when they are used regularly or at least charged regularly. If you put your rig in storage the battery should be removed stored in a cool location and charged with a good battery charger every 4-6 weeks. Always charge these batteries as slowly as possible. Fast charging creates unwanted heat. Charging takes place at the molecular level and it is best when done slowly. Today's battery chargers are better than older ones. They usually have built-in electronic circuits that reduce the charge rate as they begin to reach full charge and then maintain a low rate of charge called a trickle charge. When batteries are allowed to discharge and remain discharged they may become permanently sulfated. Sometime slow charging can reverse the process but not always.

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    Camp Socializer gasman's Avatar
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    Re: Storing batteries

    Whatever method you decide to use for storage, remember to periodically monitor the water level in the batteries. I have run across several people who had dead batteries on the first trip out in the spring and when I checked the water level, they were nearly dry.


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    Re: Storing batteries

    Never store batteries on a concrete floor, put them on blocks. The concrete will ruin them.

    Al

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    Senior Member rick_debbie_gallant's Avatar
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    Storing batteries

    Quote Originally Posted by piet10 View Post
    Never store batteries on a concrete floor, put them on blocks. The concrete will ruin them.

    Al
    Al, that may have been true years ago about the concrete ruining batteries, however with the new materials being used today (ie polypropolene), I don't believe it still holds true. Check out Snopes
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    August 29, 2018 porthole's Avatar
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    Storing batteries

    Quote Originally Posted by piet10 View Post
    Never store batteries on a concrete floor, put them on blocks. The concrete will ruin them.

    Al
    That is an "old wives tale"
    But if you gave a battery with a leak, the acid will ruin the concrete surface.


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    Senior Member caissiel's Avatar
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    Re: Storing batteries

    I park 3 cars for the winter and head south for the winter.

    I disconnect the negative post of the battery and let the batteries freeze for the winter, fully charged of course. For the past 7 years I just reconnect the negative post in the spring when I return, then I start one car after the other and they never fail to start on their own power. One battery is now 8 years old and still a great performer.

    When I use to park the RV for the winter I did the same thing and Batteries lasted up to 6 year. Since fulltiming and never parking the trailer over winter, the batteries have been failling much more often.
    Barbara and Laurent, Retired teacher and maintenance/engineering,Full Timing
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