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Battery Charging

Discussion in 'Towing' started by tmreyes1, Mar 11, 2013.

  1. Mar 24, 2013 at 7:05 PM
    #21
    S.B.

    S.B. Well-Known Member

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    yes.
     
  2. Mar 24, 2013 at 7:40 PM
    #22
    tmreyes1

    tmreyes1 [OP] Well-Known Member

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    Thanks. So a simple wire from the neg. to the frame okay
     
  3. Mar 24, 2013 at 8:36 PM
    #23
    S.B.

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    Thats how I did mine and it has been working great.

    EDIT: Make sure that your ground on the trailer going to the plug is sufficient.
     
  4. Mar 24, 2013 at 8:57 PM
    #24
    tmreyes1

    tmreyes1 [OP] Well-Known Member

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    The ground goes from the 7 pin to the trailer frame. I was gonna use the same frame location for the battery ground
     
  5. Mar 24, 2013 at 11:24 PM
    #25
    S.B.

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    I don't know your wire gauge so I can't be certain, but as long as its at least 18ga then you should be fine, since thats whats on the truck.
     
  6. Mar 25, 2013 at 5:04 AM
    #26
    Shadetree

    Shadetree Well-Known Member

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    A DC Voltage Loss calculator can be found at http://www.windsun.com/Hardware/Voltage_Calc.htm. To partly recharge your house battery at 77 degrees F, you will need a minimum of 13.2 VDC to overcome the internal resistance of the battery for a wet 12-volt Standard or Low Maintenance Deep Cycle battery or 14.4 VDC to fully charge it. If you use a AGM or Gel Cell VRLA battery, you will need 14.8 VDC to fully charge it.

    For additional information on charging, please see Sections 5 and 9 in the Car and Deep Cycle Battery FAQ on www.batteryfaq.org.
     
  7. Mar 25, 2013 at 4:20 PM
    #27
    tmreyes1

    tmreyes1 [OP] Well-Known Member

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    The wire from the 7 pin to the battery is 12 gauge.
     
  8. Mar 27, 2013 at 6:23 AM
    #28
    nathan3306

    nathan3306 Well-Known Member

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    Pictures of your setup? I'm currently trying to do the same thing with my trailer. Are you running other items off the battery in the trailer. If so, How are you wiring them to the battery and what materials are you using to make it safe?
     
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