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Copper sheet welding, power-cell welding — multiple modes handle it all with ease👍🏻 UF20B all-new supercapacitor spot welder

AWithZ Official · OfficialFollow
Official · Douyin›Official›UF20BReport
Adaptive · 720 / 480Playback info 00:47
Official post
PlatformDouyin · AWithZ Official · Douyin
ModelUF20B
TypeProducts & reviews
Resolution720x960
Published2025-10-05 21:39
9 4 2 0
Released 2025-10-05Official

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
Buy nowAdd to list

Description

Copper sheet welding, power-cell welding — multiple modes handle it all with ease👍🏻 UF20B all-new supercapacitor spot welder #AWithZSpotWelder #WeldingEquipment #NationalDay #GoodFinds

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.
#AWithZ welder#welding equipment#National Day#good finds

Made with

UF20B
U-series flagship: 10.5kW / 1750A, 2×100…
View on awithz.com ›

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Comments 2· 1 real comments collected

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路
路遥8 mo ago · Guangdong

I bought the uf 20b — why can't I get results like yours at all? I think the welding pen you supplied is too small, the pins are only 1.5 mm. Never mind copper sheet, it can't even hold 0.2 pure nickel.

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路
路遥8 mo ago · Guangdong

I bought the uf 20b — why can't I get results like yours at all? I think the welding pen you supplied is too small, the pins are only 1.5 mm. Never mind copper sheet, it can't even hold 0.2 pure nickel.

LikeReplyReport
Post
路
路遥8 mo ago · Guangdong

I bought the uf 20b — why can't I get results like yours at all? I think the welding pen you supplied is too small, the pins are only 1.5 mm. Never mind copper sheet, it can't even hold 0.2 pure nickel.

LikeReplyReport
Post