AWithZ U3加强版

Welder and power bank in one

Card-size welder with 5000/7500/11000mAh options, 2" color screen, tuning combos and smart pen support; welds 0.35mm nickel-plated steel / 0.1mm copper; doubles as a USB power bank.

Buy now · ¥259.9–299.9 Specs

Before any lithium battery work, read the AWithZ Safety & Usage Guidelines ›

What people build with U3加强版

Real works from the WeldWorld creator community

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「Universal magnetic base build guide — the step-by-step build guide for the universal magnetic base is here」

Highlights

Only brand-new Grade-A cellsNo high-drain, risky B/C-grade cells

Full 11000mAh for strong output — welds copper and up to 0.35mmNo inflated claims

Thousands of settings · six core parametersMode (manual/auto) · level · preheat · interval · trigger time · repeat — six dimensions yield tens of thousands of profiles, so thin sheets don't burn through and thick stock doesn't cold-weld

320×240 HD 2.0-inch color screenDitches the low-res 128×160 display for an original, smooth interface

Smart hand-control penA manual button controls trigger timing anytime

With USB output — a welder and a power bank5V/2.4A USB output for two-in-one use

U3加强版

Only brand-new Grade-A cells

No high-drain, risky B/C-grade cells — Grade-A cells are safe, durable and hold their charge.

U3加强版

Full 11000mAh for strong output — welds copper and up to 0.35mm

No inflated claims: 0.1mm copper, 0.35mm Ni-plated, 0.35mm steel, 0.2mm pure nickel.

U3加强版

Thousands of settings · six core parameters

Mode (manual/auto) · level · preheat · interval · trigger time · repeat — six dimensions combine into tens of thousands of output profiles, so thin sheets don't burn through and thick stock doesn't cold-weld.