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Ultimate performance, precise welding! Ultimate performance, precise welding! The UF20B packs a high-energy supercapacitor, 10.5kW power output — even 0.15mm copper sheet welds perfectly

AWithZ Official · OfficialFollow
Adaptive · 720 / 480Playback info 02:23
Official post
PlatformDouyin · AWithZ Official · Douyin
ModelUF20B
TypeDIY & creative
Resolution1280x720
Published2025-11-30 15:01
Released 2025-11-30Official

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

Description

Ultimate performance, precise welding! Ultimate performance, precise welding! The UF20B packs a high-energy supercapacitor, 10.5kW power output — even 0.15mm copper sheet welds perfectly! #ForCompactSpotWeldersChooseAWithZ #WeldingWonderTool #GeekMods #ElectronicsHobbyist

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.

Comments 7· 1 real comments collected

用
用户92253110618948 mo ago · Shandong

Hi, could you share the p60f parameters for welding 21700 cells?

用
用户92253110618948 mo ago · Shandong

Hi, could you share the p60f parameters for welding 21700 cells?

用
用户92253110618948 mo ago · Shandong

Hi, could you share the p60f parameters for welding 21700 cells?