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DIY monster fan | Hardcore conversion of a drone brushless motor into a monster fan🔥 Step-by-step tutorial, a spot welder builds super-strong airflow💨, enough wind to take off — the summer cooling wonder

AWithZ Official · OfficialFollow
Official · Douyin›Official›UF20BReport
Adaptive · 1080 / 720 / 480Playback info 02:06
Official post
PlatformDouyin · AWithZ Official · Douyin
ModelUF20B
TypeDIY & creative
Resolution2160x3840
Published2026-08-27 20:19
Materials21700 battery pack Nickel-plated strip LED strip Voltmeter Battery Speed controller Latching switch Type-C female socket Brushless motor Buck module ESC
25 10 6 2
Released 2026-08-27Official

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
21700 battery packCell
×
Third-party
LED stripOther parts
×
Third-party
VoltmeterMeters
×
Third-party
BatteryOther parts
×
Third-party
Speed controllerOther parts
×
Third-party
Latching switchSwitches
×
Third-party
Type-C female socketOther parts
×
Third-party
Brushless motorOther parts
×
Third-party
Buck moduleCharge modules
×
Third-party
ESCOther parts
×
Third-party
Buy nowAdd to list

Description

DIY monster fan | Hardcore conversion of a drone brushless motor into a monster fan🔥 Step-by-step tutorial, a spot welder builds super-strong airflow💨, enough wind to take off — the summer cooling wonder! #AWithZSpotWelder #UF20BSpotWelder #MonsterFan #DroneMotorMod #diy

Bill of materials

21700 battery pack
Nickel-plated strip
LED strip
Voltmeter
Battery
Speed controller
Latching switch
Type-C female socket
Brushless motor
Buck module
ESC

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 spot welder#uf20b spot welder#monster fan#drone motor mod#diy

Made with

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

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Performance Demonstration AWithZ UF20B Portable Spot Welder | Welding Performance Demonstration01:01
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Avoid the pitfalls in 1 minute! Beginners building a pack — 3 steps solve the core problems: set the series count ➜ set the parallel count ➜ lock in the BMS. With the AWithZ H2-2026 handheld, even a newbie can weld a finished-grade pack and get safely to the end🚗01:52
Avoid the pitfalls in 1 minute! Beginners building a pack — 3 steps solve the core problems: set the series count ➜ set the parallel count ➜ lock in the BMS. With the AWithZ H2-2026 handheld, even a newbie can weld a finished-grade pack and get safely to the end🚗
AAWithZ Official8891

Comments 6· 6 real comments collected

HotNewest
Post
朱
朱改改手记4 wk ago · Henan

Great for blowing leaves too — liked by the creator

LikeReplyReport
Post
A
AWithZ阿威兹点焊机视频号3 wk ago · Guangdong

Yes

LikeReplyReport
Post
广
广元第一深情4 wk ago · Sichuan

Where to buy the parts — liked by the creator

2ReplyReport
Post
数
数码界的发烧友LONG4 wk ago · Fujian

How long does the AWithZ h1 (with replacement pins) last?

1ReplyReport
Post
A
AWithZ阿威兹点焊机视频号3 wk ago · Guangdong

AWithZ's Li-ion-powered spot welders use the brand's own high-quality grade-A cells purpose-built for spot welders. Tested to 60,000 welds without swelling

1ReplyReport
Post
F
Fly me to the moon4 wk ago · Guangdong

The welds look really tidy — liked by the creator

3ReplyReport
Post
F
Fly me to the moon4 wk ago · Guangdong

The welds look really tidy — liked by the creator

3ReplyReport
Post
广
广元第一深情4 wk ago · Sichuan

Where to buy the parts — liked by the creator

2ReplyReport
Post
数
数码界的发烧友LONG4 wk ago · Fujian

How long does the AWithZ h1 (with replacement pins) last?

1ReplyReport
Post
A
AWithZ阿威兹点焊机视频号3 wk ago · Guangdong

AWithZ's Li-ion-powered spot welders use the brand's own high-quality grade-A cells purpose-built for spot welders. Tested to 60,000 welds without swelling

1ReplyReport
Post
朱
朱改改手记4 wk ago · Henan

Great for blowing leaves too — liked by the creator

LikeReplyReport
Post
A
AWithZ阿威兹点焊机视频号3 wk ago · Guangdong

Yes

LikeReplyReport
Post
朱
朱改改手记4 wk ago · Henan

Great for blowing leaves too — liked by the creator

LikeReplyReport
Post
A
AWithZ阿威兹点焊机视频号3 wk ago · Guangdong

Yes

LikeReplyReport
Post
广
广元第一深情4 wk ago · Sichuan

Where to buy the parts — liked by the creator

2ReplyReport
Post
数
数码界的发烧友LONG4 wk ago · Fujian

How long does the AWithZ h1 (with replacement pins) last?

1ReplyReport
Post
A
AWithZ阿威兹点焊机视频号3 wk ago · Guangdong

AWithZ's Li-ion-powered spot welders use the brand's own high-quality grade-A cells purpose-built for spot welders. Tested to 60,000 welds without swelling

1ReplyReport
Post
F
Fly me to the moon4 wk ago · Guangdong

The welds look really tidy — liked by the creator

3ReplyReport
Post