Uploaded September 2020 | Updated September 2026, 2 weeks ago

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I've been looking for a cheap battery tab spot welder for 18650 lithium-ion cells for awhile now. The usual ones just aren't worth the cost. Enter the $16.99 Portable Mini Spot Welder! At that price, it was worth a shot. Will it sink or swim? Watch to find out!

Goodies in vid (some affiliate links):

- Portable Mini Spot Welder on Banggood.com:
banggood.com/Portable-DIY-Mini-Spot-Welder-Machine-with-LCD-Display-Automatic-Touch-Welding-Mode-for-18650-Battery-12V-Car-Battery-Super-Capcitor-p-1694146.html

- Portable Mini Spot Welder on eBay:
ebay.com/itm/DIY-Portable-Mini-Spot-Welder-Machine-Battery-Various-Welding-Power-HOT/274386232704

- APC UPS Replacement Battery RBC17 on Amazon:
amzn.to/32wlnjV

- 3.6kW SUNKKO Spot Welder on AliExpress:
aliexpress.com/item/4001317837264.html

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