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So it begins...... Battery spot welder
Very interesting. Solid state is a game changer, but is also a marketing buzzword.
There were a few other 'solid state' batteries on the market that proved to not be true solid state.

Not saying the Renogy are, or are not, just that I am suspicious.

My 13 EVE 40PL's arrived today, but it will be a while before i can begin to build a 10s1p with them.

My cheapo purple spot welder, suffered a burnt trace, on my last battery build. I was able to bridge it with some thick copper from a Van related project, and returned it to function.

The Zee Lipo weld battery was fading fast at the same time and I had to use higher pulse durations, and it was getting super hot, then started leaking electrolyte, and now.I have no weld battery.

I do have a backup purple spot welder, and I could try and beef it up, but I still need a welding battery.

When I used my AGMs as the weld battery, they proved too powerful for my red and black welders, even with low mS pulses.

I could try the Repaired Purple welder on my AGMs, but it too could blow up.

My Zee 3S 5.2AH lipo was the cheapest available. I'd like to have a higher end weld LIpo, and would love to use thicker copper than the 0.1mm I used on previous builds and which maxxed out my equipment.

A quality weld lipo is gonna be 50-70$, and i still have a junk welder.

I noticed The guy I bought my BAK45D's from, started carrying a different brand of spot welders.
AwithZ, and they have many different ones with different power outputs.

He just released a video, with the 159$ lowest power version, and was just able to weld 0.2mm copper with pure nickel sandwich, and nickel.plated steel instead of pure nickel, is easier to weld.

https://youtu.be/gMzCUJ00xzM?feature=shared


I only have plans to build this one last EVE 40PL 10s1p battery, but I want this welder.

Want vs need though.
Hard to justify when I am jobless, and a hospital claims I owe them a quarter mil for my stents.

The BAK45D battery continues to impress. I don't even bother to charge it upto 42v anymore.
I don't need the full range available, and have plenty of torque to bark up the hood with Fiona at less than full throttle.
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RE: So it begins...... Battery spot welder - by sternwake - 06-25-2025, 09:32 PM

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