Well with the boss welder a soldering iron is included + it works well and fast and takes up very little space even with a lipo attached.
Boss welder is better by far imo. I know them both so i talk by experience. This ain’t a sales thread tho. No one will try to convince you. It is your choice to make.
Anyone have a sunkko 70b pen to sell?
Do you guys think that a normal charger paralleled with a huge capacitor would work for one of these instead of a battery? I’m talking multiple farads.
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What voltage would the charger be? You don’t want more than 3-4s for spot welding right?
Yeah, you can more than easily get a low S count charger for cheap. That’s my thought behind it, easier than having a dedicated welding battery.
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I think It can be done. Some guy i know always used super capacitors for spot welding. He bought the Boss and told me he was planning to use the same setup.
He pulls 4 farads out of that.
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Anyone have this?
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Looks nice
I feel like a robot lol. This is my robotic arm 
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Trade offs… smaller spot welder but you have to strap the battery to you arm. The trade off worth it?
How just have longer wires?
Is that a Lipo in your pocket, or are you just happy to see me?
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Nope. You do not have to do It. I find It comfortable like that. You can leave the lipo on the table.
You got me there 
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please someone try this, for science.
can’t wait.
curious what the process of replacing probes would be…