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Dec
16

Make Copper 12V Battery Cable Lugs For Pennies!

There is no need to buy large or small copper battery cable lugs (2 GA / 4 GA) for ridiculous sums of money, when you can make them at a fraction of the cost…
Video Rating: 4 / 5

Explore Battery Terminals and Lugs and how to correctly crimp them.

50 comments

No ping yet

  1. jim davidson says:

    Silver soldering the connection is fine. When you blew into the connector
    you introduced moisture and spit into the connector, not good. Touching the
    copper wire after sanding introduced your oily acidic fingerprints which
    will corrode over time. Shoot some non chlorinated brake cleaner or window
    cleaner for the final clean. Must remove all the remaining flux which will
    corrode later. Best to wear white cotton gloves when you terminate cables.

  2. TheSweetPerry says:

    I apply the solder to the cable end first. Then heat the lug with a
    soldering iron. Let some solder melt inside the heated lug and then insert
    the cable end into it. Perfect soldering. But you need a slightly larger
    diameter copper lug for that.

  3. Jerry Collins says:

    Great Idea…….I drilled all the holes first, at regular intervals, cut
    them off with a chop saw, (slowly) then put them in my reloading press to
    flatten them, dropped the whole stack in my brass cleaner, then deburred
    them with my case trimmer. I’m gonna buy different size copper tubing, and
    make me a lifetime supply of them. You saved me hundreds of dollars,
    because I’m always working on stuff like that.

  4. Nathaniel Nifong says:

    I thought I was going to see some pennies melting.

  5. Kevin Romas says:

    Cool thanks brother=)

  6. Thomas Pate says:

    Great idea and thanks for the video.

  7. Dummy Box says:

    This is original. you just saved me some money. and will make me look good
    showing some one else.
    Thank You.. Denver, Colorado 80211

  8. Mikej1592 says:

    If you are wearing headphones, please for the love of hearing turn down
    your volume just about the 3:28 mark when he blows the sanding dust out of
    the end…. seriously. Great tip though, I will remember this next time I
    need to make a clean end terminal.

  9. intheshitter says:

    My friend, this is a great video. I never would have thought about making
    them out of copper tubing. Had no idea how they were even made tbo. Im
    always buying these bloody things. Thanks for sharing your knowledge. This
    is what youtube should all be about.

  10. radiofun232 says:

    Very good and informative. I always make these lugs myself, though I never
    worked with copper pipe, I have worked with copper plate. I do the
    soldering with a 100 Watt soldering iron with a massive copper tip and
    resin-core solder for electronics (1 mm diameter). The 100 Watt soldering
    iron method also works very well, also with this type of thick cable, works
    good to approx 7-8 mm cable. Heat the lug with the iron during approx. 30
    sec-1 min, and the solder is sucked in when it melts. It is very good that
    you show the importance of thorough cleaning.Liked! 

  11. bg147 says:

    How cool was that!… and I could have used this knowledge when I
    fabricated a bunch of ground straps for my truck. I wonder if it is
    possible to omit the shrink wrap, I only have smaller gauge wrap.

  12. triplepelotudo says:

    6ft of copper tube like that is about $20.00 at home depot.

  13. graeme leigh says:

    Why is it pronounced “sodder” when it is spelt “solder” – what happened to
    the “L”?

  14. Jose Francisco Medeiros says:

    Excellent tip, I also like the tip on adding sealant to the lug and wire
    before heat shrinking the tubing. One video I saw many years back was to
    fill the lug with heated solder while it is on a vice using a propane torch
    before inserting the copper cable.

  15. Lynx Star Automotive says:

    This is genius but I have one concern: would the tip (head) of the
    connector be sealed off from moisture? I feel hammering the tube together
    does not create a solid seal from the outside elements…

  16. Randerz Anderson says:

    I have done this for years. It works fine. If you spit in it and did not
    get it sterile it still works just fine. It is kind of time consuming. 

  17. wackoguywatch says:

    I wanna make 1/0 aka 0 gauge battery terminals but i dont want the crimp to
    look sloppy..i want a nice looking hex crimp like the color coded power
    lugs look like when they are crimped. So what diameter pipe would be good
    on zero gauge wire? Im using a 15 inch handle hex crimper by
    greenlee,,,thanks in advance….

  18. mminc81 says:

    Why do you advise against using flux that has acid ?

  19. Eric Brunhammer says:

    Shows how much money you can save, if you’re willing to put in a little
    work.

  20. NewHampshire Jack says:

    A BIG thank you for this information. Since moving to the Philippines, we
    appreciate the corner hardware stores back home more than ever. We hear the
    dreaded words “out of stock” all to often in the Phils. One rule is NEVER
    begin a project until you have ALL the parts in hand, parts on order may
    never come in. No copper tubing here but I am thinking my air-con guy will
    be able to obtain the refrigeration tubing you recommend for me. Now, if I
    can find the heat shrink tubing and the adhesive or a good substitute????

  21. PLAY TIME says:

    Nice video this will come in handy. Thank You

  22. 1mediaguy says:

    For ease of drilling the hole, you may want to drill the hole & shape the
    end BEFORE cutting the connector to length. That way you have the entire
    length of tubing to hold onto.

  23. Jeff Baker says:

    The best way i found is to use resin core solder.
    Put your fitting upright in the vise and fill it with the solder then put
    in your cable and add some more heat,then you know all your wires are
    completely covered sealed in solder.

  24. xanataph says:

    Well that’s a big thumbs up…! I will have to try this next time I need a
    lug. I usually go to electrician’s supply stores to get mine. They’re
    pretty cheap that way. Not as cheap as making your own like this ov course,
    but far more realistically priced than buying them from an auto parts store
    or something! The only issue is they are rated in millimetres for the
    electrical industry in New Zealand, but most cabling I tend to use is in
    AWG so a bit ov conversion needed. 

  25. consaka1 says:

    Out in the professional Telecom field we used a number of different
    calibrated crimpers. Just crimping a connector is asking for trouble.
    Soldering is good but impractically slow out in the field. So the proper
    procedure for crimping is to use no-ox first and then crimp with calibrated
    crimper. The no-ox keeps the air out so the connection doesn’t deteriorate
    and the calibrated crimpers practically weld the joint together.
    Personally I like a good solder joint as I cant afford the fancy crimpers. 

  26. jim davidson says:

    Silver soldering the connection is fine. When you blew into the connector
    you introduced moisture and spit into the connector, not good. Touching the
    copper wire after sanding introduced your oily acidic fingerprints which
    will corrode over time. Shoot some non chlorinated brake cleaner or window
    cleaner for the final clean. Must remove all the remaining flux which will
    corrode later. Best to wear white cotton gloves when you terminate cables.

  27. TheSweetPerry says:

    I apply the solder to the cable end first. Then heat the lug with a
    soldering iron. Let some solder melt inside the heated lug and then insert
    the cable end into it. Perfect soldering. But you need a slightly larger
    diameter copper lug for that.

  28. Jerry Collins says:

    Great Idea…….I drilled all the holes first, at regular intervals, cut
    them off with a chop saw, (slowly) then put them in my reloading press to
    flatten them, dropped the whole stack in my brass cleaner, then deburred
    them with my case trimmer. I’m gonna buy different size copper tubing, and
    make me a lifetime supply of them. You saved me hundreds of dollars,
    because I’m always working on stuff like that.

  29. Nathaniel Nifong says:

    I thought I was going to see some pennies melting.

  30. Kevin Romas says:

    Cool thanks brother=)

  31. Thomas Pate says:

    Great idea and thanks for the video.

  32. Dummy Box says:

    This is original. you just saved me some money. and will make me look good
    showing some one else.
    Thank You.. Denver, Colorado 80211

  33. Mikej1592 says:

    If you are wearing headphones, please for the love of hearing turn down
    your volume just about the 3:28 mark when he blows the sanding dust out of
    the end…. seriously. Great tip though, I will remember this next time I
    need to make a clean end terminal.

  34. intheshitter says:

    My friend, this is a great video. I never would have thought about making
    them out of copper tubing. Had no idea how they were even made tbo. Im
    always buying these bloody things. Thanks for sharing your knowledge. This
    is what youtube should all be about.

  35. radiofun232 says:

    Very good and informative. I always make these lugs myself, though I never
    worked with copper pipe, I have worked with copper plate. I do the
    soldering with a 100 Watt soldering iron with a massive copper tip and
    resin-core solder for electronics (1 mm diameter). The 100 Watt soldering
    iron method also works very well, also with this type of thick cable, works
    good to approx 7-8 mm cable. Heat the lug with the iron during approx. 30
    sec-1 min, and the solder is sucked in when it melts. It is very good that
    you show the importance of thorough cleaning.Liked! 

  36. bg147 says:

    How cool was that!… and I could have used this knowledge when I
    fabricated a bunch of ground straps for my truck. I wonder if it is
    possible to omit the shrink wrap, I only have smaller gauge wrap.

  37. triplepelotudo says:

    6ft of copper tube like that is about $20.00 at home depot.

  38. graeme leigh says:

    Why is it pronounced “sodder” when it is spelt “solder” – what happened to
    the “L”?

  39. Jose Francisco Medeiros says:

    Excellent tip, I also like the tip on adding sealant to the lug and wire
    before heat shrinking the tubing. One video I saw many years back was to
    fill the lug with heated solder while it is on a vice using a propane torch
    before inserting the copper cable.

  40. Lynx Star Automotive says:

    This is genius but I have one concern: would the tip (head) of the
    connector be sealed off from moisture? I feel hammering the tube together
    does not create a solid seal from the outside elements…

  41. Randerz Anderson says:

    I have done this for years. It works fine. If you spit in it and did not
    get it sterile it still works just fine. It is kind of time consuming. 

  42. wackoguywatch says:

    I wanna make 1/0 aka 0 gauge battery terminals but i dont want the crimp to
    look sloppy..i want a nice looking hex crimp like the color coded power
    lugs look like when they are crimped. So what diameter pipe would be good
    on zero gauge wire? Im using a 15 inch handle hex crimper by
    greenlee,,,thanks in advance….

  43. mminc81 says:

    Why do you advise against using flux that has acid ?

  44. Eric Brunhammer says:

    Shows how much money you can save, if you’re willing to put in a little
    work.

  45. NewHampshire Jack says:

    A BIG thank you for this information. Since moving to the Philippines, we
    appreciate the corner hardware stores back home more than ever. We hear the
    dreaded words “out of stock” all to often in the Phils. One rule is NEVER
    begin a project until you have ALL the parts in hand, parts on order may
    never come in. No copper tubing here but I am thinking my air-con guy will
    be able to obtain the refrigeration tubing you recommend for me. Now, if I
    can find the heat shrink tubing and the adhesive or a good substitute????

  46. PLAY TIME says:

    Nice video this will come in handy. Thank You

  47. 1mediaguy says:

    For ease of drilling the hole, you may want to drill the hole & shape the
    end BEFORE cutting the connector to length. That way you have the entire
    length of tubing to hold onto.

  48. Jeff Baker says:

    The best way i found is to use resin core solder.
    Put your fitting upright in the vise and fill it with the solder then put
    in your cable and add some more heat,then you know all your wires are
    completely covered sealed in solder.

  49. xanataph says:

    Well that’s a big thumbs up…! I will have to try this next time I need a
    lug. I usually go to electrician’s supply stores to get mine. They’re
    pretty cheap that way. Not as cheap as making your own like this ov course,
    but far more realistically priced than buying them from an auto parts store
    or something! The only issue is they are rated in millimetres for the
    electrical industry in New Zealand, but most cabling I tend to use is in
    AWG so a bit ov conversion needed. 

  50. consaka1 says:

    Out in the professional Telecom field we used a number of different
    calibrated crimpers. Just crimping a connector is asking for trouble.
    Soldering is good but impractically slow out in the field. So the proper
    procedure for crimping is to use no-ox first and then crimp with calibrated
    crimper. The no-ox keeps the air out so the connection doesn’t deteriorate
    and the calibrated crimpers practically weld the joint together.
    Personally I like a good solder joint as I cant afford the fancy crimpers. 

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