Compare models
1. Core welding performance
1750APeak output current
1650APeak output current
3250APeak output current
New supercapacitor 2×1000F (active balancing, 500k cycles)Energy-storage design
Dual Grade-A cells in series, 10000mAh (Li-polymer)Energy-storage design
New supercapacitor 6×1000F (9V rated)Energy-storage design
Supercapacitor + dual-pulseTechnology
Dual-pulse (built-in cell)Technology
Supercapacitor storageTechnology
01–99Welding levels
99 levelsWelding levels
001–999Welding levels
2. Max weldable thickness by material (mm)
0.4 mmNickel-plated steel strip
0.3 mmNickel-plated steel strip
1 mmNickel-plated steel strip
0.3 mmPure nickel strip
0.3 mmPure nickel strip
0.5 mmPure nickel strip
0.2 mmCopper strip
0.15 mmCopper strip
0.3 mmCopper strip
0.4 mmStainless strip
0.3 mmStainless strip
1 mmStainless strip
—Iron sheet
0.3 mmIron sheet
—Iron sheet
3. Supported cells
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
32140Cylindrical LiFePO4
—Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Prismatic / pouch
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
4. Recommended use cases
Portable / indoorEnvironment
Portable / indoorEnvironment
Fixed indoorEnvironment
Batch assembly / pro repairUsage intensity
Everyday repairUsage intensity
Batch assemblyUsage intensity
Power-tool battery repair · Home-appliance repair · Cylindrical cell pack assembly · Coin-cell weldingTypical uses
Cylindrical cell pack assembly · Coin-cell welding · Phone & laptop cell replacement · Hardware & metal joiningTypical uses
Batch production · Cylindrical cell pack assembly · LiFePO4 / energy-storage packs · E-bike & power battery repairTypical uses
5. Who 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
Repair shops, small assembly workshops and energy-cell processorsWho it's for
6. Endurance & protection
—Max welds per charge
~4000 weldsMax 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
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
Aluminum + plasticHousing material
Plastic, blackHousing material
—Housing material
~1.25kgWeight
~300g (catalog lists 465g with accessories, to be verified)Weight
~1.5kgWeight
~181×95×80mmDimensions
~100.5×158×48mmDimensions
~180×131×80mmDimensions
Color screenScreen
HD TFT + knobScreen
2.4-inch 320×240 color screenScreen
SupportExternal foot switch
SupportExternal foot switch
SupportExternal foot switch
9. Charging & electrical
100–240V 50–60HzInput
Type-C 5V/2.4A(MAX)Input
100–240VInput
6VOutput voltage
8.4VOutput voltage
—Output voltage
1750AOutput current
1650AOutput current
3250AOutput current
10.5kWOutput power
9000WOutput power
29.2kWOutput power
15A high current, 40-second full charge/rechargeFast charge
—Fast charge
15A, 1-minute full charge/rechargeFast charge
"—" means not published or pending; thickness is the official lab maximum. The nine spec groups match the product Specs tab.