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A must for phone addicts! Full walkthrough of a homemade 10000mAh power bank! U3 Pro spot welder, only grade-A cells. One unit, two uses: power bank + spot welder

AWithZ Official · OfficialFollow
Adaptive · 720 / 480Playback info 03:30
Official post
PlatformDouyin · AWithZ Official · Douyin
ModelU3加强版
TypeDIY & creative
Resolution1280x720
Published2025-08-21 17:40
Released 2025-08-21Official

Bill of materials

Welder, accessories, consumables and parts used in this build; quantities and specs are editable Download BOM
AWithZ official
U3加强版 spot welder
×
¥259.9–299.9
WP120 Smart Pen (8 AWG)
×
¥39.9
Nickel-plated steel strip
×
from ¥5.9

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