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Handheld H Series
HF7Supercapacitor in a pen: 1060A peak, 1.5M cycles, 10-second recharge, welds 0.3mm nickel/copper — the most capable handheld in its class.H2-2026150g pen-style welder: 1060A dual-pulse, 60k-weld dedicated cell, 2000 welds per charge, 1.3" color screen with 90 levels, dual-tip needle, welds 0.35mm nickel-plated steel and copper.H1-2026125g entry model: 880A dual pulse, single A-grade cell, 1500 welds per charge, welds 0.25mm nickel-plated steel. Learn it in 3 seconds.View all H Series ›
Universal U Series
UF20BU-series flagship: 10.5kW / 1750A, 2×1000F actively-balanced supercapacitors, 40-second recharge at 15A, three trigger modes, 99 levels, welds 0.4mm nickel-plated steel and copper. 2-year warranty.UK3Twin A-grade cells (10000mAh), 1650A / 9000W, ~4000 welds per charge; knob + TFT screen, 99 levels, auto/pen/foot-switch; welds 0.3mm pure nickel and butt-welds 0.7mm stainless. ~300g, 2-year warranty.UK1Twin A-grade cells (5000mAh), 1380A / 9000W, 1500 welds; knob + digital display, dual pulse; welds up to 0.5mm (butt), nickel/copper/steel. ~370g, 1-year warranty.View all U Series ›
Professional P Series
P120DTop of the P series: 4×3000F supercapacitors, 69.2kW / 6590A, welds 2.0mm nickel-plated steel, 0.5mm copper, 0.6mm aluminium; butt-welds 6.0mm steel, prismatic Al-to-Ni/Cu; 2.4" screen with 999 levels, 15A fast charge, 4kg with hidden handle.P60F6×1000F 9V supercapacitors, 29.2kW / 3250A / 8687J, welds 1.0mm nickel-plated steel, 0.5mm pure nickel, 0.3mm copper; 2.4" screen with 999 levels, 15A fast charge (1 min), 1.5kg.View all P Series ›
Energy-storage tech
Purpose-built lithium weldersUK3Twin A-grade cells (10000mAh), 1650A / 9000W, ~4000 welds per charge; knob + TFT screen, 99 levels, auto/pen/foot-switch; welds 0.3mm pure nickel and butt-welds 0.7mm stainless. ~300g, 2-year warranty.UK1Twin A-grade cells (5000mAh), 1380A / 9000W, 1500 welds; knob + digital display, dual pulse; welds up to 0.5mm (butt), nickel/copper/steel. ~370g, 1-year warranty.H2-2026150g pen-style welder: 1060A dual-pulse, 60k-weld dedicated cell, 2000 welds per charge, 1.3" color screen with 90 levels, dual-tip needle, welds 0.35mm nickel-plated steel and copper.All-new supercapacitor weldersUF20BU-series flagship: 10.5kW / 1750A, 2×1000F actively-balanced supercapacitors, 40-second recharge at 15A, three trigger modes, 99 levels, welds 0.4mm nickel-plated steel and copper. 2-year warranty.P120DTop of the P series: 4×3000F supercapacitors, 69.2kW / 6590A, welds 2.0mm nickel-plated steel, 0.5mm copper, 0.6mm aluminium; butt-welds 6.0mm steel, prismatic Al-to-Ni/Cu; 2.4" screen with 999 levels, 15A fast charge, 4kg with hidden handle.P60F6×1000F 9V supercapacitors, 29.2kW / 3250A / 8687J, welds 1.0mm nickel-plated steel, 0.5mm pure nickel, 0.3mm copper; 2.4" screen with 999 levels, 15A fast charge (1 min), 1.5kg.
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welding pen
WP110 welding pen · 8 AWG · 1 pc40 cm / 8.3 mm² · high-conductivity copper coreWP120 welding pen · 8 AWG · 1 pc40 cm / 8.3 mm² · high-conductivity copper core · smart triggerWP110-6 welding pen · 6 AWG · 1 pc50 cm / 16 mm² · high-conductivity copper coreWP120-6 welding pen · 6 AWG · 1 pc50 cm / 16 mm² · high-conductivity copper core · smart triggerWP240 multi-function integrated pen65 cm / 35 mm² · smart spot welding · fits many scenariosWP158 welding pen · 1 pc60 cm / 25 mm² · high-conductivity copper coreBuy now ›
welding pins
H series pins · 1 pairDouble-ended pins · premium alumina copper · wear-resistant · durableWP110/120 pins · 8 AWG · 1 pairPremium alumina copper · wear-resistant · durable · for 8 AWGWP110-6/120-6 pins · 6 AWG · 1 pairPremium alumina copper · wear-resistant · durable · for 6 AWGWP158 pins · 1 pairHigh conductivity · heat-resistant · premium alumina copper · wear-resistant · durableBuy now ›
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Built for spot welding

AWithZ professional welding pens

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welding penwelding pinsOther accessories
H series pins · 1 pair
H series pins · 1 pair
Double-ended pins · premium alumina copper · wear-resistant · durable
Fits: HF7 / H2-2026 / HD2-2026 / H1-2026 / H5
¥15.9
WP110/120 pins · 8 AWG · 1 pair
WP110/120 pins · 8 AWG · 1 pair
Premium alumina copper · wear-resistant · durable · for 8 AWG
Fits: WP110 / WP120
¥12.9
WP110-6/120-6 pins · 6 AWG · 1 pair
WP110-6/120-6 pins · 6 AWG · 1 pair
Premium alumina copper · wear-resistant · durable · for 6 AWG
Fits: WP110-6 / WP120-6
¥15.9
WP158 pins · 1 pair
WP158 pins · 1 pair
High conductivity · heat-resistant · premium alumina copper · wear-resistant · durable
Fits: WP158
¥19.9

Accessory ↔ host-model matrix

12 rows
CategoryModelCompatible hosts
welding penWP110UK1、UK3、UF20BDetails ›
welding penWP120UK1、UK3、UF20BDetails ›
welding penWP110-6UK3、UF20BDetails ›
welding penWP120-6UK3、UF20BDetails ›
welding penWP240P20B、P30C、P60F、P90C、P120DDetails ›
welding penWP158P20B、P30C、P60F、P90C、P120DDetails ›
Welding pinsH-Series single-head pinsH1、HD2、H2Details ›
Welding pinsH-Series dual-head pinsH1-2026、HD2-2026、H2-2026、HF7Details ›
Welding pinsWP110/120 pinsUK1、UK3、UF20BDetails ›
Welding pinsWP110-6/120-6 pinsUK3、UF20BDetails ›
Welding pinsWP240 pinsP20B、P30C、P60F、P90C、P120DTBD
Welding pinsWP158 pinsP20B、P30C、P60F、P90C、P120DDetails ›

The matrix is from the 2026-09-10 revision, table 3; it differs from the catalog's compatibility fields (e.g. whether WP120-6 fits UKF10, whether WP110 fits U3/U2) — the brand's final confirmation prevails.

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