H2-2026 technical specs
Upgraded power, pocket size · Nine standardized spec groups; "—" means not officially published.
Weldable thickness (mm, lab max)
Nickel-plated steel strip0.35
Pure nickel strip0.2
Copper strip0.15
Stainless strip0.35
Iron sheet0.35
1. Core welding performance
Peak output current1060A
Energy-storage designSingle dedicated Grade-A cell (Li-polymer)
TechnologyDual-pulse (built-in cell)
Welding levels90 levels
2. Max weldable thickness by material (mm)
Nickel-plated steel strip0.35 mm
Pure nickel strip0.2 mm
Copper strip0.15 mm
Stainless strip0.35 mm
Iron sheet0.35 mm
3. Supported cells
Cylindrical Li-ion18650 / 21700
Cylindrical LiFePO4—
Prismatic / pouchPouch / phone cells
4. Recommended use cases
EnvironmentPortable / indoor
Usage intensityEveryday repair
Typical usesCylindrical cell pack assembly · Phone & laptop cell replacement · Home-appliance repair · Hardware & metal joining
5. Who it's for
Who it's forBattery DIY enthusiasts, field repair techs, beginners and hobbyists
6. Endurance & protection
Max welds per charge2,000 weld spots per charge (max.)
Thermal protection threshold—
Protection list—
7. Pen & pin setup
Pen formOne-piece handheld (body is the pen)
Pin material & spec—
8. Hardware specs
Body structureOne-piece handheld
Housing materialPlastic
Weight~150g
Dimensionsapprox. 45×28×202 mm
Screen1.3-inch rotating color screen
External foot switchNo
9. Charging & electrical
InputType-C 5V/2.1A(MAX)
Output voltage4.2V
Output current1060A
Output power—
Fast charge—
Data from the official product pages and manuals; results vary with material batch and environment.
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