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Thread: Battery terminal

  1. #1

    Battery terminal

    This terminal has been weakened over the years as Ive used it as a spare going on and off finally came off today (should of got two spanners)

    Is it fixable and if so how?

    Many Thanks


    batt.JPGbatt.JPG

  2. #2
    Senior Member
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    Re: Battery terminal

    Quote Originally Posted by SPACE COWBOY View Post
    This terminal has been weakened over the years as Ive used it as a spare going on and off finally came off today (should of got two spanners)

    Is it fixable and if so how?

    Many Thanks


    batt.JPGbatt.JPG
    I saw my father blow the side out of a battery trying to use a torch & soldering iron to fix a terminal- you may be able to solder it back in if you have a big copper soldering iron - just don't have flame near it.

  3. #3
    Senior Member Footsfitter's Avatar
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    Re: Battery terminal

    Quote Originally Posted by SPACE COWBOY View Post
    This terminal has been weakened over the years as Ive used it as a spare going on and off finally came off today (should of got two spanners)

    Is it fixable and if so how?

    Many Thanks


    batt.JPGbatt.JPG


    Looks like its finally had it. Damaged posts can be built up with proper moulds and only safe to do on a decent battery that isn't sat there making hydrogen because of one or more faulty cells, but in your case I'd say because what you need to connect to is so far down in the casing there's little chance of success, although rather than throw it away it may be possible to drill the terminal down in the hole to take a serious size self tapper into a decent terminal and lead heavy enough to trickle charge it and then use it to power an electric fencer unit? Might be best to seal the hole with silicone mastic though?
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  4. #4
    Senior Member robbie956xl's Avatar
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    Re: Battery terminal

    Entirely fixable. Get some lead, put it into a small saucepan, place pan on hob and melt the lead. It will melt easily and quickly. Then drive a long self tapping screw into the center of where the terminal post has snapped off, leaving a good length of screw sticking up. Pour the molten lead into the socket until it is filled up flush with battery top. Self tapper should be sticking out higher, up nearly as far as where the top of original terminal post once was. Then get a plastic cap that comes with a new battery (Use the relevant one, + or - ), carefully cut away the top part only leaving all of the side wall parts of the cap. Place the cap over the sticking up self tapper and secure it in place with a little bluetack around the base. Melt some more lead and top off the mould. Remove the plastic cap/mould and hey presto, job done.

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