quick battery disconnect

Discussion in 'Modifications And Maintenance' started by errorcode3, Feb 26, 2010.

  1. errorcode3
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    errorcode3 Member

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    do you think these would be safe to use on a car? its mainly for marine applications, but would the bumps, and other vibrations associated with driving loosen the knob controlling power? i'm in the process of designing them, and just thought they might be safe for a double duty.

    but basically when the green knob is in contact with the base its letting power/ground straight through, but if you crack the knob it kills power/ground. and if you remove the knob it pulls apart for removal of the battery.

    and sorry for the big pic
    View attachment 20710

    exploded view
    View attachment 20711
    left piece goes on battery terminal, middle piece is plastic to separate flow of current. third piece is the "in" line for power/ground. the knob is only in contact with the first piece (left) when the knob is fully tightened otherwise its separated from the first piece (left) by the plastic insert.
     
  2. mrrhode04
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    mrrhode04 Well-Known Member

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    Don't fully understand the concept, do you have an exploded view of the assembly?
     
  3. errorcode3
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    errorcode3 Member

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    yeah sorry its kinda hard to explain, ill post one up real quick.
    but basically there is a piece of plastic separating the two pieces of brass, and the only thing controlling the flow of current is the knob itself.
     
  4. DougAnd
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    DougAnd Well-Known Member

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  5. DougAnd
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    DougAnd Well-Known Member

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    ^^ should have added that I've used this example for several years without any issue.
     
  6. errorcode3
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    errorcode3 Member

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    ha i was looking for another one, my customer gave me one to use to design and i dug around a bit but didn't find something similar so i didn't know if they made them for cars. but i guess that gives me my answer that they will work.

    edit: and the only difference between the two is the one i have you don't need to modify the current battery terminals as long as they are the post mount or top mount style.
     
  7. TheSnowman
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    TheSnowman Well-Known Member

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    we use these on all our cars at dunwoody and they work great, no issues.
     
  8. errorcode3
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    errorcode3 Member

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    awesome, since before this i have never seen these things, and was kinda pissed that i haven't used them before with all the times i've worked on cars.
     
  9. turbo_turtle
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    turbo_turtle Well-Known Member

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  10. errorcode3
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    errorcode3 Member

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    yeah it has the bypass wire with a fuse for it, just no need for me to design it. i think the only reason i was asked to design this was they are moving production off-shore. but at least now i know these things exist.
    and thanks for the washer tip.
     
  11. Gridlocked
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    Gridlocked Well-Known Member

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    Good to know those things exist. Disconnecting my boat batteries to charge is a PITA.
    Error, where in Chaska are you?
     
  12. errorcode3
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    errorcode3 Member

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    i was right of 41 by the cemetery, but i moved back to hutch because being unemployed bills pile up way too fast.
    and if you need one, i can get them real cheap..