DIY Battery Spot Welder - Demonstration & Explanation
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- เผยแพร่เมื่อ 3 ต.ค. 2017
- I thought I'd do a quick demonstration while I'm using my spot welder at the moment to make up a 10s4p li-ion battery pack.
*Nickel Strips*
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www.ebay.co.uk/itm/Solid-Pure...
*Solenoid Relay*
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*Choc Block (Electrical Connector)*
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*Copper Nails*
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*Heavy Gauge Cable*
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*Momentary Switch*
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12v DC Delay Relay Timer - www.ebay.co.uk/itm/12V-DC-Dela...
(To activate the switch that activates the solenoid, NOT to replace the solenoid.)
My Website: kevindark.co.uk
... Don't hot glue batteries together. Batteries heat up when they're under load. -- The glue won't remelt, but it will slowly flow, and end up in the wrong places in your projects over a few months of regular usage...
Hello the battery doesn’t look very big for 200 AH !
Did that and blew hole in strip - not good. I think my pointy things are too sharp. Tomorrow I will blunt them and try again.🤔
I like video
Wow.............
I was about to take apart someone electric scooter for a battery, now Ill just make one.
Trouble with spot welding is that you can't get it back off !! I much prefer to solder these.
600 amps will instantly melt the leads maybe even tear a hole in the battery, that is enough to start 2 trucks you know :d
A handheld & compact spot welder can be bought for about $25/-. how much will all these equipment cost ?? and the total time required to fix them altogether.
I like your minimalist approach. The advantage of a capacitor bank is you can control how much energy is stored and the caps can be recharged from a much smaller capacity current source. Need more current? Add another parallel cap. Usually they use FETs to dump the caps but I guess you could stay with the solenoid
Such a simple, cheap but effective welder. Exactly what I'm looking for!
Making use of the
dude i love it thats the simplest welder ive seen ever thanks im making one today bro good stuff buddy !!!
Love it. So simple and effective for this type of spot welding. Thanks.
Nice job, Kevin! Clear explanation and demo. Thanks for including the links for supplies!
very cool, this just appeared on my recommended list, I have some batteries for drills that need repairing so this might just be a great find to make a spot welder. I had no idea how basic they actually could be. Now just have to "get around to" doing those jobs lol. Well done and well explained. 👍
Thanks for showing your welder. This is by far the simplest design on youtube and it works. I will certainly give this a try.
Liked and subscribed. This is the simplest and effective one I've ever seen, so I'm definitely making one. Don't think of using that timer circuit. Einstein said, make it as simple as possible, but not simpler. This is the essence of genius!
Excellent explanations clear and to the point.
Surprisingly effective! Good to know, refurbishing li-ion packs at home becoming more and more of a necessity.