Compare models
1. Core welding performance
—Peak output current
650APeak output current
1060APeak output current
Single Grade-A cell, 5000 / 7500 / 11000mAhEnergy-storage design
Single Grade-A cell, 5000 / 7500 / 11000mAhEnergy-storage design
Single 750F capacitor (automotive-grade, 1.5M cycles)Energy-storage design
Dual-pulse (built-in cell)Technology
Dual-pulse (built-in cell)Technology
Supercapacitor + dual-pulseTechnology
—Welding levels
80 档(1.0–9.0)Welding levels
01–99Welding levels
2. Max weldable thickness by material (mm)
0.35 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.2 mmPure nickel strip
0.2 mmPure nickel strip
0.3 mmPure nickel strip
0.1 mmCopper strip
0.1 mmCopper strip
0.2 mmCopper strip
0.35 mmStainless strip
0.35 mmStainless strip
0.35 mmStainless strip
0.35 mmIron sheet
0.35 mmIron sheet
0.35 mmIron sheet
3. Supported cells
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
—Cylindrical LiFePO4
—Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Prismatic / pouch
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
4. Recommended use cases
Portable / indoorEnvironment
Portable / indoorEnvironment
Portable / indoorEnvironment
Everyday repairUsage intensity
Everyday repairUsage intensity
Batch assembly / pro repairUsage intensity
Cylindrical cell pack assembly · DIY power bank / portable power · Home-appliance repairTypical uses
Cylindrical cell pack assembly · DIY power bank / portable power · Coin-cell welding · Phone & laptop cell replacementTypical uses
Power-tool battery repair · Home-appliance repair · Cylindrical cell pack assembly · Phone & laptop cell replacementTypical 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
Repair shops, small assembly workshops and energy-cell processorsWho it's for
6. Endurance & protection
—Max welds per charge
—Max welds per charge
—Max welds per charge
—Thermal protection threshold
—Thermal protection threshold
—Thermal protection threshold
—Protection list
—Protection list
—Protection list
7. Pen & pin setup
Separate welding penPen form
Separate welding penPen form
One-piece handheld (body is the pen)Pen form
—Pin material & spec
—Pin material & spec
Replaceable dual-head alumina-copper pins, 0.5–3mm stepless spacingPin material & spec
8. Hardware specs
Separate host + penBody structure
Separate host + penBody structure
One-piece handheldBody structure
—Housing material
—Housing material
—Housing material
—Weight
—Weight
—Weight
—Dimensions
约 159×92×25mmDimensions
约 38×37×212mmDimensions
2.0-inch full colorScreen
2.0-inch 320×240 full colorScreen
OLED full-color displayScreen
—External foot switch
—External foot switch
NoExternal foot switch
9. Charging & electrical
—Input
Type-C 5V/2.1A(MAX)Input
Type-C 12–20V 2A(MAX),插电使用,10 秒回电Input
—Output voltage
4.2VOutput voltage
—Output voltage
—Output current
650AOutput current
1060AOutput current
—Output power
—Output power
2000WOutput 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.