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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 ›
Professional P Series
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 ›
Energy-storage tech
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.
Professional welding solutions
Cylindrical cellsPrismatic cellsEnergy storageMetalworking
Selection tools
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Compare models

H1
¥119.9–129.9
Budget repair hero
Buy now Learn more ›
HF7
¥399.9
First handheld supercapacitor welder
Buy now Learn more ›
H2-2026
¥185.9
Upgraded power, pocket size
Buy now Learn more ›

1. Core welding performance

—Peak output current
1060APeak output current
1060APeak output current
—Energy-storage design
Single 750F capacitor (automotive-grade, 1.5M cycles)Energy-storage design
Single dedicated Grade-A cell (Li-polymer)Energy-storage design
Dual-pulse (built-in cell)Technology
Supercapacitor + dual-pulseTechnology
Dual-pulse (built-in cell)Technology
—Welding levels
01–99Welding levels
90 档Welding levels

2. Max weldable thickness by material (mm)

0.25 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.15 mmPure nickel strip
0.3 mmPure nickel strip
0.2 mmPure nickel strip
0.25 mmStainless strip
0.35 mmStainless strip
0.35 mmStainless strip
0.25 mmIron sheet
0.35 mmIron sheet
0.35 mmIron sheet
—Copper strip
0.2 mmCopper strip
0.15 mmCopper strip

3. Supported cells

18650Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
—Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Cylindrical LiFePO4
—Prismatic / pouch
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch

4. Recommended use cases

Portable / indoorEnvironment
Portable / indoorEnvironment
Portable / indoorEnvironment
Occasional DIYUsage intensity
Batch assembly / pro repairUsage intensity
Everyday repairUsage intensity
Home-appliance repair · Power-tool battery repairTypical uses
Power-tool battery repair · Home-appliance repair · Cylindrical cell pack assembly · Phone & laptop cell replacementTypical uses
Cylindrical cell pack assembly · Phone & laptop cell replacement · Home-appliance repair · Hardware & metal joiningTypical uses

5. Who it's for

Battery DIY enthusiasts, field repair techs, beginners and hobbyistsWho it's for
Repair shops, small assembly workshops and energy-cell processorsWho it's for
Battery DIY enthusiasts, field repair techs, beginners and hobbyistsWho it's for

6. Endurance & protection

充电 1 小时焊 200 次(社媒口径)Max welds per charge
—Max welds per charge
单次充电 2000 焊点(MAX)Max welds per charge
—Thermal protection threshold
—Thermal protection threshold
—Thermal protection threshold
—Protection list
—Protection list
—Protection list

7. Pen & pin setup

One-piece handheld (body is the pen)Pen form
One-piece handheld (body is the pen)Pen form
One-piece handheld (body is the pen)Pen form
—Pin material & spec
Replaceable dual-head alumina-copper pins, 0.5–3mm stepless spacingPin material & spec
—Pin material & spec

8. Hardware specs

One-piece handheldBody structure
One-piece handheldBody structure
One-piece handheldBody structure
—Housing material
—Housing material
PlasticHousing material
—Weight
—Weight
约 150gWeight
—Dimensions
约 38×37×212mmDimensions
约 45×28×202mmDimensions
—Screen
OLED full-color displayScreen
1.3-inch rotating color screenScreen
NoExternal foot switch
NoExternal foot switch
NoExternal foot switch

9. Charging & electrical

—Input
Type-C 12–20V 2A(MAX),插电使用,10 秒回电Input
Type-C 5V/1A(MAX)Input
—Output voltage
—Output voltage
4.2VOutput voltage
—Output current
1060AOutput current
1060AOutput current
—Output power
2000WOutput power
—Output power
—Fast charge
—Fast charge
—Fast charge

"—" means not published or pending; thickness is the official lab maximum. The nine spec groups match the product Specs tab.

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