soldering tabs on lipo help

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • jb1234
    Member
    • Apr 2010
    • 41
    #1

    soldering tabs on lipo help

    I'm trying to solder a new wire onto the tab of a lipo battery but I can't get the solder to stick to the tab. I got one to solder ok but the other just won't stick. I've tryed scuffing,cleaning and fluxing the tab but it just won't stick. Please help.
    Tags: None
    • ksm2001
      Senior Member
      • Jun 2007
      • 377
      #2
      Are you talking about the aluminum tab? if so you will need a zink flux or aluminum solder paste for the the solder to hold.

      Ken
      DF-29,Phil Thomas Super Sport 45, SV27, Xzess 2 Evo, HOTR 32" Cat

        Comment

        • jb1234
          Member
          • Apr 2010
          • 41
          #3
          OK. Thanks that was what I was talking about

            Comment

            • jb1234
              Member
              • Apr 2010
              • 41
              #4
              Can I still use the same solder?

                Comment

                • ksm2001
                  Senior Member
                  • Jun 2007
                  • 377
                  #5
                  Not sure which solder you use but something like a thin 60/40 lead/tin solder should be fine.
                  DF-29,Phil Thomas Super Sport 45, SV27, Xzess 2 Evo, HOTR 32" Cat

                    Comment

                    • jb1234
                      Member
                      • Apr 2010
                      • 41
                      #6
                      Thanks for your help.

                        Comment

                        • m4a1usr
                          Fast Electric Addict
                          • Nov 2009
                          • 2038
                          #7
                          I recently needed to solder some aluminum cell tabs and I found the perfect stuff. Cheap battery packs sells Zinc Flux and the Zinc Solder. Awesome stuff. Works much better then one would think. Of course there are ways around needing to buy new flux and solder if you want to use what you already have.

                          You can submerge, yes you read that right. Submerge the tab that needs to be soldered in mineral oil, heck you can use motor oil, while soldering. The key is to keep oxidation from forming while applying the heat from the soldering tool. Then you can use your normal 60/40 solder and rosin flux.

                          I dont like the oil method as it smokes, cough/ cough, while getting the tab hot. That why I chose the zinc method. But I do recommend you have a very large soldering tool. I prefer to use a propane torch with a solid copper "V" tip. It has a huge thermal mass and you can apply lots of heat in a very short while, then cool off the tab with a water soaked paper towel.

                          Any ways, my project was to make 2 6S packs (old 20C packs) into 3 4S packs. Turned out very nice and I got to reutilize some packs that just werent keeping up with the hi power setups that these packs were in before. With new 10 ga wire/ 5.5mm bullets and some spiffy blue heat shrink they look like NIB packs!

                          John
                          Change is the one Constant

                            Comment

                            • jb1234
                              Member
                              • Apr 2010
                              • 41
                              #8
                              Cool. Thx for the tip. The zink solder and flux is exactly what I was looking for but couldn't find. I'm gona order some tomarrow.

                                Comment

                                Previous template Next
                                Working...