DIY Arduino Battery Spot Welder

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DIY Arduino Battery Spot Welder

by KaeptnBalu
by KaeptnBalu

I just started Looking into building EV’s. My first project is an Electric Skateboard. The one thing that can hold you back especially on a large EV project like a car is batteries. Buying premade battery banks is expensive. In all honesty even making your own won’t be that much cheaper in the long run but you will have the ability to control size shape and output of the bank. The problem is soldering on Cells is they can explode if overheated. I don’t like the idea of things exploding that close to my face. So like many of us, I buy Pre-made Packs. This is fine for small projects but I would like to branch out. In steps another Diy solution the Arduino spot welder. You can do quick tab welds and make battery banks very easy. I just got some Arduino’s a while back so this is one of my first Arduino projects. I will update you guys when it’s finished.


With that here is a video of an easier to make version. This guy is a great YouTuber and a wealth of info.

I am considering doing a daily spotlight on things like this. If you like these rate and post. If you want to see something spotlighted post it below and I’ll do my best to check your ideas out. If you have a YouTuber you think I might like, feel free to share as well.

Staying up till 3am isn’t hard but going to school in the morning is. If you’d like to help me stay awake so I can write more posts like this go hit up our Patreon and buy me an energy drink.https://www.patreon.com/3dprinterchat

Also, check out our sister site www.3dprinterchat.com and my last post 6 More printable tools worth adding to your workbench.

22 thoughts on “DIY Arduino Battery Spot Welder

  • September 14, 2016 at 1:07 am
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    Arduino way overrated for what it capabilities can do

    Reply
    • September 14, 2016 at 10:27 pm
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      I wouldn’t call the swiss army knife of the tech world overrated. Sure it isn’t the best at any one thing but like ducktape it can fill a lot of rolls.

      Reply
  • September 14, 2016 at 1:50 am
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    I think it is interesting to. I cant wait to see how the electric skateboard comes out

    Reply
  • September 14, 2016 at 2:22 am
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    This can be quite useful. You might want to take a look at Open Source Ecology’s Civilization Starter Kit when you want to build your own battery bank for larger applications.

    Reply
  • September 14, 2016 at 3:47 am
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    This is great. I build a lot of packs for R/C projects, and I hate soldering batteries. I’ve actually had a cell explode twice. Fortunately no harm was done either time, other than ruining the pack and having to replace the cell. I have wished for a spot welder many times, so this looks like a good project for me. I even have most of the materials already. Thanks for the post, and can’t wait to see your follow up.

    Reply
  • September 14, 2016 at 3:57 am
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    Thats pretty handy.

    Reply
  • September 14, 2016 at 1:02 pm
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    Good write up.
    Gotta love AvE. Great youtube channel to sub to by the way.

    Reply
  • September 14, 2016 at 5:12 pm
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    Pretty interesting I say 🙂
    @tisonlyme143

    Reply
  • September 23, 2016 at 2:26 am
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    That’s neat

    Reply
  • October 6, 2016 at 2:18 pm
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    Excited about the computer giveaway,. Good luck to all!

    Reply
  • October 11, 2016 at 5:59 am
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    Considering how much I spent on my E-bike battery, something like this would be pretty useful next time I need to upgrade the cells in it.

    Reply
  • December 5, 2017 at 1:59 am
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    I didn’t know about this tool! I’ve never spot welded before but I have welded a good bit in school (stick and TIG )..The spot welder looks so easy, fast and useful! I want to do this DIY! I used to race R/C cars and buggies and soldered so many batteries together and it was always a pain in the butt! Having to wait for the iron to get hot and having only 2 hands and 10 fingers to hold everything in place was also a big pain! haha! Soldering batteries on the track during a race isn’t the same as on a desk with clippers holding all the wires in place! I would love to just play with aluminum cans and the spot welder and come up with some crazy stuff! Thanks for sharing this..I’m about to go dive into YouTube now and watch the DIY on putting this together!

    Reply
  • January 9, 2018 at 7:25 pm
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    Neat gadgets you can put together with stuff..

    Reply
  • January 21, 2018 at 3:27 pm
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    I learned a lot from this article

    Reply
  • January 30, 2018 at 3:54 pm
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    Good Article, It had alot to say about this subject

    Reply
  • March 6, 2018 at 1:15 am
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    I want to make this!

    Reply

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