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UF20B welding 0.3 nickel-plated — the graduation settings

AWithZ Official · OfficialFollow
Adaptive · 720 / 480Playback info 02:11
Official post
PlatformDouyin · AWithZ Official · Douyin
ModelUF20B
TypeProducts & reviews
Resolution1280x720
Published2025-11-10 18:00
Materials0.3mm nickel-plated 18650
Released 2025-11-10Official

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
18650Cell
×
Third-party

Description

UF20B welding 0.3 nickel-plated — the graduation settings! 18650: 30 positive, 50 negative — tested myself, solid welds with no cold joints, double your battery-pack assembly efficiency! #SpotWelder #BatteryWelding #DIYLiIonBattery #ToolReview #GoodFinds

Bill of materials

0.3mm nickel-plated
18650

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· 4 real comments collected

曹
曹楼作军车行7 mo ago · Shandong

Give me one

路
路遥8 mo ago · Guangdong

I bought a UF20B too, but the bundled welding pen looks different from yours and I can't get results like these

锋
锋少打怪兽…8 mo ago · Guangdong

32140 cells, 0.2 nickel-plated steel strip stacked with 0.1 copper — what settings for the positive and for the negative?

山
山水相依8 mo ago · Hunan

Strong

曹
曹楼作军车行7 mo ago · Shandong

Give me one

路
路遥8 mo ago · Guangdong

I bought a UF20B too, but the bundled welding pen looks different from yours and I can't get results like these

锋
锋少打怪兽…8 mo ago · Guangdong

32140 cells, 0.2 nickel-plated steel strip stacked with 0.1 copper — what settings for the positive and for the negative?

山
山水相依8 mo ago · Hunan

Strong

曹
曹楼作军车行7 mo ago · Shandong

Give me one

路
路遥8 mo ago · Guangdong

I bought a UF20B too, but the bundled welding pen looks different from yours and I can't get results like these

锋
锋少打怪兽…8 mo ago · Guangdong

32140 cells, 0.2 nickel-plated steel strip stacked with 0.1 copper — what settings for the positive and for the negative?

山
山水相依8 mo ago · Hunan

Strong