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User content: this build is the creator's personal experience and has not been verified by AWithZ. Don't copy the settings or methods directly — start at a low level and test on scrap.Safety & Use Guidelines ›
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Compact smart spot welder with a colour screen for adjusting weld mode and strength — makes repairing and DIY-building battery packs really easy

Electrician GangFollow
Welder reviews›Review›H2· BeginnerReport
Adaptive · 480Auto subtitlesPlayback info 00:14
Welding Recipe
ModelH200:00
GearWeld mode / strength adjustable (per title)
Pulse widthWeld time adjustable00:08
MaterialNickel strip00:04
Cell18650 (from tag)
Charges from a phone charger (USB)00:11

Creator’s own settings as stated in the video (timestamps link to the moment). Not official values — test on scrap first.

Released 2026-03-13ReviewLevel Beginnerdigest confidence 0.75

Bill of materials

Welder, accessories, consumables and parts used in this build; quantities and specs are editable Download BOM
AWithZ official
H2 spot welder
×
¥149.9–159.9
Nickel-plated steel strip
×
from ¥5.9

Description

Diangong Bang's 13-second H2 pitch: weld cells without asking anyone for help or using a soldering iron, handheld and rechargeable, nickel strip welds solidly onto cells / stainless steel, no welding guide needed, weld time adjustable, charges from a phone charger; the only comment: great for 18650/21700, keep one at home and save on repair bills

Weld cells without asking anyone for help or using a soldering iron; handheld rechargeable spot welder; welds nickel strip onto cells and stainless steel, extra solid; no welding guide needed, weld time is adjustable; charges from a phone charger; very convenient to use. Title: colour screen with adjustable weld mode and strength, handy for repairing and DIY-building packs. 1 comment: the AWithZ handheld spot welder is good, great for 18650 or 21700, keep one at home, fix your own batteries and save on repair bills.

Outcome

GoalSales pitch voice-over
BuildH2 handheld spot welder
Result— · not verified on camera

Steps2 steps · click a frame to jump

  1. 1. No help, no soldering iron; handheld rechargeable; nickel strip welds solidly onto cells / stainless steel

    Weld cells without asking anyone or using a soldering iron; handheld rechargeable spot welder; welds nickel strip onto cells and stainless steel, extra solid.

    00:00 – 00:08
  2. 2. No guide needed, weld time adjustable; charges from a phone charger

    No welding guide needed, weld time is adjustable; charges from a phone charger; very convenient.

    00:08 – 00:13

Bill of materials

AWithZ H2 handheld spot welder ×1Colour screen, adjustable mode / strength · Sales pitch

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.

Quotes

“No welding guide needed, weld time is adjustable, and it charges from a phone charger” 00:08

Comments 1· 1 real comments collected

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...5 mo ago · Guangdong

The AWithZ handheld spot welder is good. Works great for welding 18650 or 21700. Keep one at home, fix your own batteries and save a lot on repair bills

.
...5 mo ago · Guangdong

The AWithZ handheld spot welder is good. Works great for welding 18650 or 21700. Keep one at home, fix your own batteries and save a lot on repair bills

.
...5 mo ago · Guangdong

The AWithZ handheld spot welder is good. Works great for welding 18650 or 21700. Keep one at home, fix your own batteries and save a lot on repair bills