HD2 — a new generation is out: HD2-2026¥149.9–159.9
View new model ››AWithZ HD2
Digital display, instant welds
Previous generation of HD2-2026: 650A, digital display, 5V/1A.
Before any lithium battery work, read the AWithZ Safety & Usage Guidelines ›
Details
HD2
Powerful dual-pulse
The first pulse breaks the oxide layer, the second precisely controls temperature and melt; dual-pulse scheduling balances weld strength and quality.
HD2
Only brand-new Grade-A cells
No high-drain, risky B/C-grade cells — Grade-A cells are safe, durable and hold their charge.
Specs
650APeak current
0.2mmNickel-plated steel strip (max)
Weldable thickness (mm, MAX)
Nickel-plated steel strip0.2
Lab maximums; results vary by material and environment.
Use cases
Compatible accessories
Related models
HF7
Supercapacitor in a pen: 1060A peak, 1.5M cycles, 10-second recharge, welds 0.3mm nickel/copper — the most capable handheld in its class.
¥399.9
H2-2026
150g pen-style welder: 1060A dual-pulse, 60k-weld dedicated cell, 2000 welds per charge, 1.3" color screen with 90 levels, dual-tip needle, welds 0.35mm nickel-plated steel and copper.
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HD2-2026
Digital-display sibling of H2-2026: 880A dual pulse, steady-state algorithm, 10W fast charge for 1500 welds, 8-min auto-off, dual-tip needle, welds 0.25mm nickel-plated steel.
¥149.9–159.9
H1-2026
125g entry model: 880A dual pulse, single A-grade cell, 1500 welds per charge, welds 0.25mm nickel-plated steel. Learn it in 3 seconds.
¥129.9–139.9
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