HF7 Specs
First handheld supercapacitor welder · Nine standardized spec groups; "—" means not officially published.
Weldable thickness (mm, lab max)
Nickel-plated steel strip0.35
Pure nickel strip0.3
Copper strip0.2
Stainless strip0.35
Iron sheet0.35
1. Core welding performance
Peak output current1060A
Energy-storage designSingle 750F capacitor (automotive-grade, 1.5M cycles)
TechnologySupercapacitor + dual-pulse
Welding levels01–99
2. Max weldable thickness by material (mm)
Nickel-plated steel strip0.35 mm
Pure nickel strip0.3 mm
Copper strip0.2 mm
Stainless strip0.35 mm
Iron sheet0.35 mm
3. Supported cells
Cylindrical Li-ion18650 / 21700
Cylindrical LiFePO432140
Prismatic / pouchPouch / phone cells
4. Recommended use cases
EnvironmentPortable / indoor
Usage intensityBatch assembly / pro repair
Typical usesPower-tool battery repair · Home-appliance repair · Cylindrical cell pack assembly · Phone & laptop cell replacement
5. Who it's for
Who it's forRepair shops, small assembly workshops and energy-cell processors
6. Endurance & protection
Max welds per charge—
Thermal protection threshold—
Protection list—
7. Pen & pin setup
Pen formOne-piece handheld (body is the pen)
Pin material & specReplaceable dual-head alumina-copper pins, 0.5–3mm stepless spacing
8. Hardware specs
Body structureOne-piece handheld
Housing material—
Weight—
Dimensions约 38×37×212mm
ScreenOLED full-color display
External foot switchNo
9. Charging & electrical
InputType-C 12–20V 2A(MAX),插电使用,10 秒回电
Output voltage—
Output current1060A
Output power2000W
Fast charge—
Data from the official product pages and manuals; results vary with material batch and environment.
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