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DIY Lipo's

  • 30-03-2015 10:56pm
    #1
    Registered Users, Registered Users 2 Posts: 13,440 ✭✭✭✭


    Recently I have had problems sourcing lipo packs that would fit in my new AEG so I decided to make my own, here is how I did it. Might be of some help to someone else.
    [IMG][/img]59CAACD4-511F-4CF0-A175-5790F70A9A65.jpg

    You will need:
    Soldering iron and solder (flux core)
    Single lipo cells
    A balance lead extension
    Shrink tube
    Wire ( to connect to the AEG)
    Hot glue
    Wire cutters
    Your battery connector of choice
    Lighter.

    [IMG][/img]987016B5-3B06-412A-B980-D9E7B9DCFF01.jpg

    Remove the female end off the balance lead extension, and strip back 4mm approx of the black cable.

    [IMG][/img]4DAAC007-65A9-4B2C-9D36-C27EDA7D79F4_1.jpg

    Expose the NEG (-) tab and put a small drop of solder on it.

    [IMG][/img]DB2F7459-77EB-4321-BA5A-24054D009C01_1.jpg

    Solder the end of the black cable from the extension and the end of battery connection cable to the neg tab on the first cell.


Comments

  • Registered Users, Registered Users 2 Posts: 13,440 ✭✭✭✭thermo


    [IMG][/img]6464C894-68AC-4AB6-8EC2-E0D75D06E190.jpg
    Expose the POS (+) tab on the first cell and put a small drop of solder on this in preparation for joining the next cell.

    [IMG][/img]D2D099E1-9EE3-4E75-B076-777129755813_1.jpg

    Solder the (+) tab from cell one to the (-) tab on cell two along with the end of the blue wire (trimmed to size) from the balance cable.

    [IMG][/img]61C1F178-F0CF-4087-AE22-2E5F30FD4966_1.jpg

    On the (+) tab of cell 2 solder on the red cable ( again trimmed to size) along with your second battery connector cable.

    [IMG][/img]BAD77CA5-BBA2-4184-8544-FF8D6974DE73_1.jpg

    Trim both battery connector cables to the same height and attach your battery connection.


  • Registered Users, Registered Users 2 Posts: 13,440 ✭✭✭✭thermo


    [IMG][/img]F2B879AF-2352-48DC-84B4-25438DA2FFD7.jpg

    With your hot glue gun, put a large(ish) drop of glue on each end of the cells ( that's three places) and push cell one and two together in as straight a line as possible. This will insulate the top and bottom of your pack and join your two cells together solidly. Next put the whole lot into a length of shrink tube of the appropriate diameter and heat gently with your lighter to shrink it to be fairly tight on your battery pack.
    Try and make sure your internal cables are all in a straight line so it's only one lump on the side of the pack.
    If you leave the shrink tube a little long on both ends, when it is hot still you can crimp it with a pliers till both sides fuse, making it all a bit better sealed.


  • Registered Users, Registered Users 2 Posts: 13,440 ✭✭✭✭thermo


    [IMG][/img]FB2E0461-40C8-47C2-8ABE-33A6B0ECCC71.jpg

    *note, in the pictures I have large amounts of solder on each joint, this was done for the purpose of the pictures to make it clearer. As always when soldering less is more and always try to use as little as possible.


  • Registered Users, Registered Users 2 Posts: 2,006 ✭✭✭Southern Dandy


    Nice job thermo, nice n tidy work!


  • Registered Users, Registered Users 2 Posts: 13,440 ✭✭✭✭thermo


    Nice job thermo, nice n tidy work!

    Thanks, they look neater in the flesh.


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