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Handheld H Series
HF7Supercapacitor in a pen: 1060A peak, 1.5M cycles, 10-second recharge, welds 0.3mm nickel/copper — the most capable handheld in its class.H2-2026150g 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.H1-2026125g entry model: 880A dual pulse, single A-grade cell, 1500 welds per charge, welds 0.25mm nickel-plated steel. Learn it in 3 seconds.View all H Series ›
Universal U Series
UF20BU-series flagship: 10.5kW / 1750A, 2×1000F actively-balanced supercapacitors, 40-second recharge at 15A, three trigger modes, 99 levels, welds 0.4mm nickel-plated steel and copper. 2-year warranty.UK3Twin A-grade cells (10000mAh), 1650A / 9000W, ~4000 welds per charge; knob + TFT screen, 99 levels, auto/pen/foot-switch; welds 0.3mm pure nickel and butt-welds 0.7mm stainless. ~300g, 2-year warranty.UK1Twin A-grade cells (5000mAh), 1380A / 9000W, 1500 welds; knob + digital display, dual pulse; welds up to 0.5mm (butt), nickel/copper/steel. ~370g, 1-year warranty.View all U Series ›
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P120DTop of the P series: 4×3000F supercapacitors, 69.2kW / 6590A, welds 2.0mm nickel-plated steel, 0.5mm copper, 0.6mm aluminium; butt-welds 6.0mm steel, prismatic Al-to-Ni/Cu; 2.4" screen with 999 levels, 15A fast charge, 4kg with hidden handle.P60F6×1000F 9V supercapacitors, 29.2kW / 3250A / 8687J, welds 1.0mm nickel-plated steel, 0.5mm pure nickel, 0.3mm copper; 2.4" screen with 999 levels, 15A fast charge (1 min), 1.5kg.View all P Series ›
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Purpose-built lithium weldersUK3Twin A-grade cells (10000mAh), 1650A / 9000W, ~4000 welds per charge; knob + TFT screen, 99 levels, auto/pen/foot-switch; welds 0.3mm pure nickel and butt-welds 0.7mm stainless. ~300g, 2-year warranty.UK1Twin A-grade cells (5000mAh), 1380A / 9000W, 1500 welds; knob + digital display, dual pulse; welds up to 0.5mm (butt), nickel/copper/steel. ~370g, 1-year warranty.H2-2026150g 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.All-new supercapacitor weldersUF20BU-series flagship: 10.5kW / 1750A, 2×1000F actively-balanced supercapacitors, 40-second recharge at 15A, three trigger modes, 99 levels, welds 0.4mm nickel-plated steel and copper. 2-year warranty.P120DTop of the P series: 4×3000F supercapacitors, 69.2kW / 6590A, welds 2.0mm nickel-plated steel, 0.5mm copper, 0.6mm aluminium; butt-welds 6.0mm steel, prismatic Al-to-Ni/Cu; 2.4" screen with 999 levels, 15A fast charge, 4kg with hidden handle.P60F6×1000F 9V supercapacitors, 29.2kW / 3250A / 8687J, welds 1.0mm nickel-plated steel, 0.5mm pure nickel, 0.3mm copper; 2.4" screen with 999 levels, 15A fast charge (1 min), 1.5kg.
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HD2-2026OverviewSpecsFAQBuy now

AWithZ HD2-2026

Same weld at any battery level

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.

Buy now · ¥149.9–159.9SpecsDownload manual

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

HD2-2026

What people build with HD2-2026

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Highlights

880A dual-pulse · welds 0.25mmNi-/Zn-plated 0.25mm, iron/steel 0.2mm, pure nickel 0.15mm, copper 0.1mm
Advanced constant-melt steady-state algorithmMicrosecond dynamic tuning stays solid at low charge and steady in continuous use
HD digital displayPreheat · trigger · level · temperature shown live, 90-level adjustment
10W fast charge · 1500 welds · 8-min auto-offType-C 5V/2.1A reduces frequent charging
Dual-head precision pinsOne pin, two tips: the fine end welds thin without piercing, the thick end welds thick through and solid
8-layer safety protectionQuality cells/capacitors · shock · voltage · short-circuit · low-temp · high-temp · overcharge · over-discharge
HD2-2026

880A dual-pulse · welds 0.25mm

Ni-/Zn-plated 0.25mm, iron/steel 0.2mm, pure nickel 0.15mm, copper 0.1mm.

HD2-2026

Advanced constant-melt steady-state algorithm

Microsecond-level dynamic tuning keeps welds solid at low charge and steady in continuous use.

HD2-2026

HD digital display

Preheat · trigger · level · temperature shown in real time, adjustable across 90 levels.

HD2-2026

10W fast charge · 1500 welds · 8-min auto-off

Type-C 5V/2.1A reduces frequent charging; auto-off on idle prevents waste.

Weldable thickness (mm, MAX)

Nickel-plated steel strip
0.3
Pure nickel strip
0.15
Stainless strip
0.3
Iron sheet
0.3

Lab maximums; results vary by material and environment.See all nine spec groups ›

Use cases

Cylindrical cell pack assemblyPhone & laptop cell replacementHome-appliance repairPower-tool battery repairModel making & DIY1865021700phone cells

Compatible accessories

H-Series Needle Pair
¥15.9

Related models

HF7
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
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.
¥185.9
H1-2026
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
H5
Beefier handheld: twin A-grade cells, 1280A, 2000 welds per charge, welds 0.35mm nickel-plated steel / 0.15mm copper; ~240g.
Coming soon

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