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One weld with the UF20B and you're hooked! A finished product really is better~ beats a home-made welder! UF20B all-new supercapacitor spot welder — welds copper, welds 0.4mm

AWithZ Official · OfficialFollow
Adaptive · 720 / 480Playback info 01:00
Official post
PlatformDouyin · AWithZ Official · Douyin
ModelUF20B
TypeProducts & reviews
Resolution1280x720
Published2025-05-05 19:00
Materials18650 cells
Released 2025-05-05Official

Bill of materials

Welder, accessories, consumables and parts used in this build; quantities and specs are editable Download BOM
AWithZ official
UF20B spot welder
×
¥569.9–599.9
WP120 Smart Pen (8 AWG)
×
¥39.9
Nickel-plated steel strip
×
from ¥5.9
Third-party partsFrom the creator’s parts list, grouped by category; links to third-party stores
18650 cellsCell
×
Third-party

Description

One weld with the UF20B and you're hooked! A finished product really is better~ beats a home-made welder! UF20B all-new supercapacitor spot welder — welds copper, welds 0.4mm #AWithZSpotWelder #diy #WeldingEquipment #ElectronicsHobbyist #HighPerformanceTools

Bill of materials

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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