Compare models
1. Core welding performance
880APeak output current
1020APeak output current
1060APeak output current
Single Grade-A cellEnergy-storage design
Single Grade-A cell (Li-polymer)Energy-storage design
Single dedicated Grade-A cell (Li-polymer)Energy-storage design
Dual-pulse (built-in cell)Technology
Dual-pulse (built-in cell)Technology
Dual-pulse (built-in cell)Technology
—Welding levels
90 levelsWelding levels
90 levelsWelding levels
2. Max weldable thickness by material (mm)
0.3 mmNickel-plated steel strip
0.3 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.15 mmPure nickel strip
0.15 mmPure nickel strip
0.2 mmPure nickel strip
0.15 mmCopper strip
0.15 mmCopper strip
0.15 mmCopper strip
0.3 mmStainless strip
0.3 mmStainless strip
0.35 mmStainless strip
0.3 mmIron sheet
0.3 mmIron sheet
0.35 mmIron sheet
3. Supported cells
18650Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
—Cylindrical LiFePO4
—Cylindrical 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
Everyday repairUsage intensity
Everyday repairUsage intensity
Home-appliance repair · Power-tool battery repair · Cylindrical cell pack assembly · Model making & DIYTypical uses
Cylindrical cell pack assembly · Phone & laptop cell replacement · Home-appliance repair · Power-tool battery repairTypical 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
Battery DIY enthusiasts, field repair techs, beginners and hobbyistsWho it's for
Battery DIY enthusiasts, field repair techs, beginners and hobbyistsWho it's for
6. Endurance & protection
1,500 weld spots per charge (max.)Max welds per charge
1,500 weld spotsMax welds per charge
2,000 weld spots per charge (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
—Pin material & spec
—Pin material & spec
8. Hardware specs
One-piece handheldBody structure
One-piece handheldBody structure
One-piece handheldBody structure
—Housing material
PlasticHousing material
PlasticHousing material
~125gWeight
—Weight
~150gWeight
—Dimensions
approx. 45×28×202 mmDimensions
approx. 45×28×202 mmDimensions
—Screen
HD digital displayScreen
1.3-inch rotating color screenScreen
NoExternal foot switch
NoExternal foot switch
NoExternal foot switch
9. Charging & electrical
Type-CInput
Type-C 5 V/2.1 A (previous generation 5 V/1 A)Input
Type-C 5V/2.1A(MAX)Input
—Output voltage
4.2VOutput voltage
4.2VOutput voltage
880AOutput current
1020AOutput current
1060AOutput current
—Output power
—Output 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.