18650 Heat Shrink and Cell Holders INC

Global marketplace for hybrid, EV and lithium batteries

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Rhode Island, USA
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This is the full kit with the assembled cables.  Everything you need to build the kWeld spot welder.

kWeld by keenlab is that spot welder that everyone talks about on forums, it has been the tool of choice for lithium-ion pack building gurus.  You know that, and that is why you are here.  Your research shows that head-to-head comparisons always favor kWeld.  It is capable and versatile, built in Germany with consistent, excellent quality.  It has an innovative method to offer consistent welds by measuring the total energy that goes into the weld.  That is the Joule setting you will adjust based on the thickness and conductivity of your chosen conductor.

  • Has a wide voltage range 4-30Volts DC.
  • Welding current from 800A – 2000A (dependent on choice of power supply)
  • Has been used successfully to weld 0.1 - 0.4mm nickel strip and even 1.2mm copper.

Want to read more?  Click here to read kWeld's story as told by it's creator, Frank at keenlab.

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