Uploaded October 2025 | Updated September 2026, 2 weeks ago

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00:00:00 - This time I'm doing it right!
00:01:08 - Why use a spot welder
00:02:05 - My spot welder was cheap and under-powered
00:03:24 - kWeld spot welder is POWERFUL

Buy kWeld from Germany: keenlab.de/index.php/portfolio-item/kweld

Buy kWeld from Canada: gridrewired.com/en-us/collections/frontpage

00:06:39 - Assemble the pack
00:08:07 - Foam tape for impact resistance
00:08:53 - Using the RIGHT fish-paper rings
00:10:08 - Cut the nickel strip
00:10:36 - Solder to the nickel strips before spot-welding
00:12:13 - The structure of the pack

My original 18650 build video - youtube.com/watch?v=UgrYYhyB7K8

00:13:47 - Welding the nickel strips
00:15:30 - Testing with a cell checker
00:15:52 - Taping up the battery
00:19:58 - Heat shrinking the cover