Compare models
1. Core welding performance
3250APeak output current
2400APeak output current
1650APeak output current
New supercapacitor 6×1000F (9V rated)Energy-storage design
New supercapacitor 6×1000FEnergy-storage design
Dual Grade-A cells in series, 10000mAh (Li-polymer)Energy-storage design
Supercapacitor storageTechnology
Supercapacitor storageTechnology
Dual-pulse (built-in cell)Technology
001–999Welding levels
001–999Welding levels
99 levelsWelding levels
2. Max weldable thickness by material (mm)
1 mmNickel-plated steel strip
0.8 mmNickel-plated steel strip
0.3 mmNickel-plated steel strip
0.5 mmPure nickel strip
0.4 mmPure nickel strip
0.3 mmPure nickel strip
0.3 mmCopper strip
0.2 mmCopper strip
0.15 mmCopper strip
1 mmStainless strip
0.8 mmStainless strip
0.3 mmStainless strip
—Iron sheet
—Iron sheet
0.3 mmIron sheet
3. Supported cells
18650 / 21700Cylindrical Li-ion
21700 / 18650Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
32140Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Cylindrical LiFePO4
Pouch / phone cellsPrismatic / pouch
—Prismatic / pouch
Pouch / phone cellsPrismatic / pouch
4. Recommended use cases
Fixed indoorEnvironment
Fixed indoorEnvironment
Portable / indoorEnvironment
Batch assemblyUsage intensity
Batch assemblyUsage intensity
Everyday repairUsage intensity
Batch production · Cylindrical cell pack assembly · LiFePO4 / energy-storage packs · E-bike & power battery repairTypical uses
Cylindrical cell pack assembly · E-bike & power battery repair · RC / FPV battery builds · Batch productionTypical 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
Separate welding penPen form
Separate welding penPen form
—Pin material & spec
—Pin material & spec
—Pin material & spec
8. Hardware specs
Separate host + penBody structure
Separate host + penBody 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
~180×131×80mmDimensions
~100.5×158×48mmDimensions
2.4-inch 320×240 color screenScreen
2.4-inch color screenScreen
HD TFT + knobScreen
SupportExternal foot switch
SupportExternal foot switch
SupportExternal foot switch
9. Charging & electrical
100–240VInput
—Input
Type-C 5V/2.4A(MAX)Input
—Output voltage
—Output voltage
8.4VOutput voltage
3250AOutput current
2400AOutput current
1650AOutput current
29.2kWOutput power
21.8kWOutput power
9000WOutput power
15A, 1-minute full charge/rechargeFast charge
15A, 1-minute full charge/rechargeFast charge
—Fast charge
"—" means not published or pending; thickness is the official lab maximum. The nine spec groups match the product Specs tab.