Compare models
1. Core welding performance
1060APeak output current
1060APeak output current
1020APeak output current
Single dedicated Grade-A cell (Li-polymer)Energy-storage design
Single 750F capacitor (automotive-grade, 1.5M cycles)Energy-storage design
Single Grade-A cell (Li-polymer)Energy-storage design
Dual-pulse (built-in cell)Technology
Supercapacitor + dual-pulseTechnology
Dual-pulse (built-in cell)Technology
90 levelsWelding levels
01–99Welding levels
90 levelsWelding levels
2. Max weldable thickness by material (mm)
0.35 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.3 mmNickel-plated steel strip
0.2 mmPure nickel strip
0.3 mmPure nickel strip
0.15 mmPure nickel strip
0.15 mmCopper strip
0.2 mmCopper strip
0.15 mmCopper strip
0.35 mmStainless strip
0.35 mmStainless strip
0.3 mmStainless strip
0.35 mmIron sheet
0.35 mmIron sheet
0.3 mmIron sheet
3. Supported cells
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
—Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Cylindrical LiFePO4
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
4. Recommended use cases
Portable / indoorEnvironment
Portable / indoorEnvironment
Portable / indoorEnvironment
Everyday repairUsage intensity
Batch assembly / pro repairUsage intensity
Everyday repairUsage intensity
Cylindrical cell pack assembly · Phone & laptop cell replacement · Home-appliance repair · Hardware & metal joiningTypical 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 · Power-tool battery repairTypical 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
2,000 weld spots per charge (max.)Max welds per charge
—Max welds per charge
1,500 weld spotsMax 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
PlasticHousing material
—Housing material
PlasticHousing material
~150gWeight
—Weight
—Weight
approx. 45×28×202 mmDimensions
approx. 38×37×212 mmDimensions
approx. 45×28×202 mmDimensions
1.3-inch rotating color screenScreen
OLED full-color displayScreen
HD digital displayScreen
NoExternal foot switch
NoExternal foot switch
NoExternal foot switch
9. Charging & electrical
Type-C 5V/2.1A(MAX)Input
Type-C, 12–20 V, 2 A (max.), mains-powered, 30-second rechargeInput
Type-C 5 V/2.1 A (previous generation 5 V/1 A)Input
4.2VOutput voltage
—Output voltage
4.2VOutput voltage
1060AOutput current
1060AOutput current
1020AOutput current
—Output power
2000WOutput power
—Output power
—Fast charge
—Fast charge
—Fast charge
"—" means not officially published; thicknesses are lab maximums from the official product pages. The nine spec groups match "Specifications" on each product page.