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[DIY] AWithZ U3 Pro spot welder — hand-building a 20000mAh power bank, safe and reliable, guarding every weld
AWithZ Official · OfficialFollow
![[DIY] AWithZ U3 Pro spot welder — hand-building a 20000mAh power bank, safe and reliable, guarding every weld · 1](https://cdn.awithz.com/assets/_derived/w480/community/works/d084/cover.webp?v=30867de9.q82 "Video")
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
Monster fanFans
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Third-party
18650 cellsCell
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Third-party
Description
[DIY] AWithZ U3 Pro spot welder — hand-building a 20000mAh power bank, safe and reliable, guarding every weld #Compact #WeldingEquipment #ElectronicsHobbyist #GoodFinds #ApplianceRepair
Bill of materials
| Monster fan | |
| 18650 cells |
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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