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Handheld H SeriesHF7Supercapacitor 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.Universal U SeriesUF20BU-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.Professional P SeriesP120DTop 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.Shop now ›Compare models ›
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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 weldersP120DTop 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.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.Shop now ›Parameter lookup ›
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welding pen
WP110 welding pen · 8 AWG · 1 pcA standard welding pen without a control button, with replaceable pins.WP120 welding pen · 8 AWG · 1 pcA manual button triggers at will; removable alumina-copper pins; thick copper lead; about 40cm long.WP110-6 welding pen · 6 AWG · 1 pcThick-lead version of the standard welding pen.WP120-6 welding pen · 6 AWG · 1 pcThicker copper lead for high-current models; UK3/UKF10 pages note the optional WP120-6 smart hand pen for triggered welding.WP240 multi-function integrated penAn all-in-one smart welding pen with hand-triggered control, fitting high-power hosts such as P90C/P120D (SKU photo shows "P90C-SKU-with-WP240-pen"); replaceable pins.WP158 welding pen · 1 pcShown in accessory photos; the catalog lists only its dedicated pins (¥19.9) — the pen's price and fit are to be confirmed.Buy now ›
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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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‹ AWithZ Academy
P120D course

P120D course

69.2kW — weld almost anything

25 lessons · 15 min · AdvancedP120D product page
Hands-on & reviews25 lessons
1
AWithZ P120D Industrial Spot Welding Machine Large Format Ba
AWithZ P120D Industrial Spot Welding Machine Large Format BaYouTube · P120D · 748 views
00:372
The Secret Weapon To Improve The Efficiency Of Welding Work!
The Secret Weapon To Improve The Efficiency Of Welding Work!YouTube · P120D · 411 views
00:403
The best repair tool! Large single battery aluminum to nicke
The best repair tool! Large single battery aluminum to nickeYouTube · P120D · 395 views
00:394
A man's toy! A professional repair helper
A man's toy! A professional repair helperYouTube · P120D · 310 views
01:305
Start a new era of efficient work! Strong performance, easy
Start a new era of efficient work! Strong performance, easy YouTube · P120D · 197 views
00:286
Pure Nickel Welded Square Lithium Battery! Strong performanc
Pure Nickel Welded Square Lithium Battery! Strong performancYouTube · P120D · 130 views
00:277
Industrial Grade Spot Welders Easily Solve Pure Nickel Weldi
Industrial Grade Spot Welders Easily Solve Pure Nickel WeldiYouTube · P120D · 70 views
00:408
Efficient welding, precision technology! The most profitable
Efficient welding, precision technology! The most profitableYouTube · P120D · 60 views
00:289
Pro repair techs have already jumped on it! Copp
Pro repair techs have already jumped on it! CoppDouyin · P120D
00:1210
The best solution for aluminium-to-nickel on lar
The best solution for aluminium-to-nickel on larDouyin · P120D
00:1111
Major launch! Industrial-grade P120D spot welder
Major launch! Industrial-grade P120D spot welderDouyin · P120D
01:0012
Pure copper and pure nickel stack-up! The result
Pure copper and pure nickel stack-up! The resultDouyin · P120D
01:1613
[P120D operating tutorial] 69.2kw power, 6590A c
[P120D operating tutorial] 69.2kw power, 6590A cDouyin · P120D
00:5814
6.0mm steel plate butt weld — proof of welding p
6.0mm steel plate butt weld — proof of welding pDouyin · P120D
00:1915
Copper-to-nickel on large-format cells, welded r
Copper-to-nickel on large-format cells, welded rDouyin · P120D
00:1216
Ever seen a 'sandwich' weld? A 0.37mm copper fil
Ever seen a 'sandwich' weld? A 0.37mm copper filDouyin · P120D
01:3217
One picture says it all. Small size, industrial-
One picture says it all. Small size, industrial-Douyin · P120D
18
Straight into it: large-format aluminum-to-nicke
Straight into it: large-format aluminum-to-nickeDouyin · P120D
00:3719
An industrial spot welder you can carry in one h
An industrial spot welder you can carry in one hDouyin · P120D
00:1620
Only brand-new, top-grade supercapacitors — 4 ×
Only brand-new, top-grade supercapacitors — 4 × Douyin · P120D
00:2221
[Operating guide] Easily command 69.2KW of power
[Operating guide] Easily command 69.2KW of powerDouyin · P120D
00:5822
Power and looks — I want both! Industrial-grade
Power and looks — I want both! Industrial-grade Douyin · P120D
01:0023
HD color screen, ten-thousand-level fine tuning,
HD color screen, ten-thousand-level fine tuning,Douyin · P120D
00:1324
Through-welding 3.0MM steel sheet — don't undere
Through-welding 3.0MM steel sheet — don't undereDouyin · P120D
00:0825
It's here — AWithZ keeps you company on the warm
It's here — AWithZ keeps you company on the warmDouyin · P120D
00:07
Builds & projects0 lessons
Builds & projects0 lessons
Know-how0 lessons
FAQP120D
No weld after power-on, or welds turn black — what to do?

First make sure the pins are pressed firmly and the surface is clean; start low and step up — 0.1–0.15mm Ni-plated steel usually needs only a low-to-mid level. Look up settings by cell model × material in the WeldWorld parameter lookup.

How often do I change the pins, and how?

Pins are consumables — dress or replace them when welds enlarge, spark often or blacken noticeably; see the manual's pin-change section and the Academy videos for steps.

How do I store it long-term?

Supercapacitor models need no charge maintenance — store them dry at room temperature; on next use, plug in for about 10 seconds to recharge.

Anything unclear in this course?

Tell us which step or which model is missing and we will add lessons.

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