Compare models
1. Core welding performance
1650APeak output current
1060APeak output current
880A(上一代 HD2/H2:650A)Peak output current
Dual Grade-A cells in series, 10000mAh (Li-polymer)Energy-storage design
Single 750F capacitor (automotive-grade, 1.5M cycles)Energy-storage design
Single Grade-A cell (Li-polymer)Energy-storage design
Dual-pulse (built-in cell)Technology
Supercapacitor + dual-pulseTechnology
Dual-pulse (built-in cell)Technology
99 levelsWelding levels
01–99Welding levels
90 档Welding levels
2. Max weldable thickness by material (mm)
0.3 mmNickel-plated steel strip
0.35 mmNickel-plated steel strip
0.3 mmNickel-plated steel strip
0.3 mmPure nickel strip
0.3 mmPure nickel strip
0.15 mmPure nickel strip
0.15 mmCopper strip
0.2 mmCopper strip
—Copper strip
0.3 mmStainless strip
0.35 mmStainless strip
0.3 mmStainless strip
0.3 mmIron sheet
0.35 mmIron sheet
0.3 mmIron sheet
3. Supported cells
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
18650 / 21700Cylindrical Li-ion
—Cylindrical LiFePO4
32140Cylindrical LiFePO4
—Cylindrical LiFePO4
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
Pouch / phone cellsPrismatic / pouch
4. Recommended use cases
Portable / indoorEnvironment
Portable / indoorEnvironment
Portable / indoorEnvironment
Everyday repairUsage intensity
Batch assembly / pro repairUsage intensity
Everyday repairUsage intensity
Cylindrical cell pack assembly · Coin-cell welding · Phone & laptop cell replacement · Hardware & metal joiningTypical 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 · Power-tool battery repairTypical 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
~4000 weldsMax welds per charge
—Max welds per charge
1500 焊点Max welds per charge
—Thermal protection threshold
—Thermal protection threshold
—Thermal protection threshold
—Protection list
—Protection list
自动关机:8 分钟Protection list
7. Pen & pin setup
Separate welding penPen 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
Separate host + penBody structure
One-piece handheldBody structure
One-piece handheldBody structure
Plastic, blackHousing material
—Housing material
PlasticHousing material
~300g (catalog lists 465g with accessories, to be verified)Weight
—Weight
—Weight
~100.5×158×48mmDimensions
约 38×37×212mmDimensions
约 45×28×202mmDimensions
HD TFT + knobScreen
OLED full-color displayScreen
HD digital displayScreen
SupportExternal foot switch
NoExternal foot switch
NoExternal foot switch
9. Charging & electrical
Type-C 5V/2.4A(MAX)Input
Type-C 12–20V 2A(MAX),插电使用,10 秒回电Input
Type-C 5V/2.1A(上一代 5V/1A)Input
8.4VOutput voltage
—Output voltage
4.2VOutput voltage
1650AOutput current
1060AOutput current
880A(上一代 HD2/H2:650A)Output current
9000WOutput power
2000WOutput power
—Output power
—Fast 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.