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Breakaway battery charging

Discussion in 'Tow & Trailer' started by FWP, Sep 12, 2004.

  1. FWP

    FWP CRS

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    Can I use a regular battery charger to trickle charge it overnight? This is what I have, but no charger...
    [​IMG]
     
  2. therobzilla

    therobzilla 1/2 ton status

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    Fred,

    Yes you can. Once you hook it up to the trailer, make sure that one of the wire is a direct 12 volt feed, as when the trailer is hooked up to the tow rig, it will charge the battery. When it's disconnect it looses charge.

    The 7 pin connectors have an extra/aux wire for 12 volt feed, for when it hooked up to the tow rig. Just make sure you use a heavier gauge wire for the Aux feed.

    Rob
     
  3. FWP

    FWP CRS

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    Thanks. I've heard that leaving that little battery hooked up to the tow rig that way will ruin it /forums/images/graemlins/dunno.gif, and most people use a little charger you can get from Tekonsha or Hoppy.
     
  4. Pookster

    Pookster 1/2 ton status

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    Just charge it up- Its usually good for quite a while.
     
  5. FWP

    FWP CRS

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    Found the info I needed, 1.2 amps max, makes sense, seeing as it's a similar battery used in UPSs.

    (Note: this link contains some language, not for the kids)

    Fyrman's Reply
     
  6. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    My trailer came with a box similar to that except that it has a built in charging system... It charges off of the tow rig but it regulates it to what the battery needs to not damage it.
     
  7. Pookster

    Pookster 1/2 ton status

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    thats not a trailer. Thats a monster! /forums/images/graemlins/rotfl.gif
     

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