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Thread: How to make a Portable Spot Welder for Li-Ion Batteries using 8Ah Cordless Drill Batt

  1. Feb 5, 2023, 01:38 AM #1
    ercaneverything
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    How to make a Portable Spot Welder for Li-Ion Batteries using 8Ah Cordless Drill Batt

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  2. The Following 6 Users Say Thank You to ercaneverything For This Useful Post:

    EnginePaul (Feb 12, 2023), nova_robotics (Feb 6, 2023), Scotty1 (Feb 5, 2023), Toolmaker51 (Feb 7, 2023), tooly (Feb 6, 2023), uv8452 (Feb 7, 2023)
  3. Feb 5, 2023, 06:01 AM #2
    DIYer
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    Thanks ercaneverything! We've added your Spot Welder to our Welding category,
    as well as to your builder page: ercaneverything's Homemade Tools. Your receipt:




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  4. Feb 7, 2023, 02:44 PM #3
    Toolmaker51
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    Main ingredient of rebuilding cordless tool batteries.........spotwelding the contacts in correct polarity. Seems like every electronic warehouse carry vast range of cells listed by dimensions and charge voltage. Connect per series or parallel as your sample, and it's back in business.



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