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DIY power bank? The U3Pro welds fast and strong. U3 Pro spot welder — welds copper, welds 0.35mm
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Bill of materials
Welder, accessories, consumables and parts used in this build; quantities and specs are editable Download BOMAWithZ official
Third-party partsFrom the creator’s parts list, grouped by category; links to third-party stores
18650 cellsCell
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Third-party
Description
DIY power bank? The U3Pro welds fast and strong. U3 Pro spot welder — welds copper, welds 0.35mm #AWithZSpotWelder #ElectronicsHobbyist #diy #HighPerformanceTools #GoodFinds
Bill of materials
| 18650 cells | |
| Nickel-plated steel strip |
Li-ion safety
DIY lithium packs can catch fire: check cells for shorts before welding, always add a BMS, never skip insulation and fusing on high-current builds.
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