Compare models
1. Core welding performance
880APeak output current
1060APeak output current
1060APeak output current
Single Grade-A cellEnergy-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 levelsWelding levels
2. Max weldable thickness by material (mm)
0.3 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
0.15 mmCopper strip
0.2 mmCopper strip
0.15 mmCopper strip
0.3 mmStainless strip
0.35 mmStainless strip
0.35 mmStainless strip
0.3 mmIron sheet
0.35 mmIron sheet
0.35 mmIron sheet
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 repair · Cylindrical cell pack assembly · Model making & DIYTypical 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
1,500 weld spots per charge (max.)Max welds per charge
—Max 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
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
~125gWeight
—Weight
~150gWeight
—Dimensions
approx. 38×37×212 mmDimensions
approx. 45×28×202 mmDimensions
—Screen
OLED full-color displayScreen
1.3-inch rotating color screenScreen
NoExternal foot switch
NoExternal foot switch
NoExternal foot switch
9. Charging & electrical
Type-CInput
Type-C, 12–20 V, 2 A (max.), mains-powered, 30-second rechargeInput
Type-C 5V/2.1A(MAX)Input
—Output voltage
—Output voltage
4.2VOutput voltage
880AOutput current
1060AOutput current
1060AOutput 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.