DIY Arduino Battery Spot Welder PCB Set V2

Name: DIY Arduino Battery Spot Welder PCB Set V2
SKU: 8613
Price: 6.00 USD
Availability: Discontinued
Rating: 4.80 (5 reviews)

(5 Reviews)

This Spot Welder can be used to weld 18650 batteries. It needs a 7-12V power source and uses a 12V car battery as welding current supply

Designed by KaeptnBalu in Germany

Product Retired

This product is no longer available for sale.

The seller may be offering an improved version or it may be hanging out on the beach, enjoying the retired life.

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DIY Arduino Battery Spot Welder PCB Set V2 1

DIY Arduino Battery Spot Welder PCB Set V2 2

2017-03-08T20:48:51.443Z-PCB_Set_Front.jpg

2017-03-08T20:48:51.443Z-PCB_Set_Back.jpg

This Spot Welder can be used to weld 18650 batteries. It needs a 7-12V power source and uses a 12V car battery as welding current supply

No longer available on Tindie If you want to buy this product, please visit my shop https://malectrics.eu/ Attention: This is the new V2 PCB Set. This version needs other components than the old one…

No longer available on Tindie

If you want to buy this product, please visit my shop https://malectrics.eu/

Attention:

This is the new V2 PCB Set. This version needs other components than the old one to be built.

More infos and build guide on the instructables

Improvements in the V2:

only one mosfet driver instead of four
changed electrolytic capacitor to film capacitor
capacitors closer to the mosfet driver
wider pcb traces for high current paths
added gate resistors for the mosfets
aluminum u-shaped part for the mosfet board (much easier to assemble)
general pcb layout improvements

What you get:

The two PCBs needed to build your own spot welder.

This is the pcb only set. No other components included.

What is it?

An Arduino Nano based Spot Welder for battery welding

This Spot Welder can be used to weld 18650 batteries. It needs a 7-12V power source (12V recommended) and uses a 12V car battery as welding current supply. Typically one 45Ah battery delivers enough current to get good welds with 0.15mm nickel strips. For thicker nickel strips maybe you will need bigger battery or two in paralell.

The Welder generates a double pulse, where the first one is 1/8 of the time of the second one. Pulse time of second pulse is adjustable by the potentiometer and displayed on the screen in mS so you can exactly adjust the time. Its adjustable from 1 ... 20 mS.

Why did you make it?

There are some other welders available, but they either use ac power for welding or are to complicated for diy or are very expensive to make. So i decided to make my own design.

What makes it special?

Its a relatively simple design an easy to make. It is safe to use because no high or ac voltages are used.

Review Breakdown

Average Ratings

Product: (5.00)

Documentation: (4.60)

Shipping: (5.00)

Communication: (4.60)

Armend | March 21, 2017

Product as described

Good quality PCB and low cost shiping fee, overall very satisfied with this seler I will carefully follow all his DIY projects couse of very detailed and exact description and good explanation. And yes I will recommend to everyone to buy this PCB.

Michael | March 5, 2017

Nice product. Quality board.

Blank Spot Welder PC boards (pair) were delivered without damage. Can't wait to assemble them and try it out.

Frédérik | Feb. 27, 2017

Really nice PCBs

I haven't soldered the components on the board yet (because the MOSFETs are really expensive in Canada), so I cannot speak of how the spot welder works yet. What I can say is that the pcb is really nice.
I will be using an arduino nano from RobotDyn (Aliexpress seller) who makes and sells really nice quality boards.

Thank you again, I am really happy I was able to get the PCB from you!

Siarhei | Feb. 7, 2017

Amazing!

Very nicely designed, looks professional. Much more cost effective than AC spot welding systems!

Marcos | Jan. 26, 2017

GREAT

The appeal of these boards is the joy you get when you collect the parts and solder everything together and get a useful and functional tool. The parts are easy to come by besides the DIP Chips. Once I finish it, it might become my main battery spot welder.