Compare models
1. Core welding performance
3250APeak output current
1060APeak output current
1650APeak output current
New supercapacitor 6×1000F (9V rated)Energy-storage design
Single 750F capacitor (automotive-grade, 1.5M cycles)Energy-storage design
Dual Grade-A cells in series, 10000mAh (Li-polymer)Energy-storage design
Supercapacitor storageTechnology
Supercapacitor + dual-pulseTechnology
Dual-pulse (built-in cell)Technology
001–999Welding levels
01–99Welding levels
99 levelsWelding levels
2. Max weldable thickness by material (mm)
1 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.3 mmNickel-plated steel strip
0.5 mmPure nickel strip
0.3 mmPure nickel strip
0.3 mmPure nickel strip
0.3 mmCopper strip
0.2 mmCopper strip
0.15 mmCopper strip
1 mmStainless strip
0.35 mmStainless strip
0.3 mmStainless strip
—Iron sheet
0.35 mmIron sheet
0.3 mmIron sheet
3. Supported cells
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
32140Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Cylindrical LiFePO4
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
4. Recommended use cases
Fixed indoorEnvironment
Portable / indoorEnvironment
Portable / indoorEnvironment
Batch assemblyUsage intensity
Batch assembly / pro repairUsage intensity
Everyday repairUsage intensity
Batch production · Cylindrical cell pack assembly · LiFePO4 / energy-storage packs · E-bike & power battery repairTypical uses
Power-tool battery repair · Home-appliance repair · Cylindrical cell pack assembly · Phone & laptop cell replacementTypical uses
Cylindrical cell pack assembly · Coin-cell welding · Phone & laptop cell replacement · Hardware & metal joiningTypical uses
5. Who it's for
Repair shops, small assembly workshops and energy-cell processorsWho 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
—Max welds per charge
—Max welds per charge
~4000 weldsMax 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
One-piece handheld (body is the pen)Pen form
Separate welding penPen form
—Pin material & spec
Replaceable dual-head alumina-copper pins, 0.5–3mm stepless spacingPin material & spec
—Pin material & spec
8. Hardware specs
Separate host + penBody structure
One-piece handheldBody structure
Separate host + penBody structure
—Housing material
—Housing material
Plastic, blackHousing material
~1.5kgWeight
—Weight
~300g (catalog lists 465g with accessories, to be verified)Weight
~180×131×80mmDimensions
约 38×37×212mmDimensions
~100.5×158×48mmDimensions
2.4-inch 320×240 color screenScreen
OLED full-color displayScreen
HD TFT + knobScreen
SupportExternal foot switch
NoExternal foot switch
SupportExternal foot switch
9. Charging & electrical
100–240VInput
Type-C 12–20V 2A(MAX),插电使用,10 秒回电Input
Type-C 5V/2.4A(MAX)Input
—Output voltage
—Output voltage
8.4VOutput voltage
3250AOutput current
1060AOutput current
1650AOutput current
29.2kWOutput power
2000WOutput power
9000WOutput power
15A, 1-minute full charge/rechargeFast charge
—Fast charge
—Fast charge
"—" means not published or pending; thickness is the official lab maximum. The nine spec groups match the product Specs tab.