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Diy Spot Welder 18650. 2 x welding pen insulation heat shrinkable tube. I needed to be able to spot weld nickel strip to the 18650 cell terminals.
With so many tab welders in the market, fellow diyers are wondering, do the cheap welders work? However, a much safer method is to use a spot welder to weld the batteries together. Diy arduino battery spot welder:
Lithium battery power supply or 12v car battery. I could have just bought a battery welder but where's the fun in that? £19.99 [ 0 bids] postage:. It is expensive but not really difficult to build so in this tutorial we will see how we can make a diy battery spot welder which is a great tool to have when working on projects.