Color screen, dual pulse, gears 1–99, welds up to 0.25mm nickel-plated strip. This generation switches to new grade-A cells, with 40% more battery life than the last one. If yours has arrived, snap a photo of it on your desk, tag @AWithZ Official and add #MyH2 — we'll pick 10 people to get a 5-meter roll of nickel-plated strip.

In the lab we welded 30 spots each on the UF20B, UK1 and P60F and took the median of the pull tests. Copper needs flux — without it the welds basically won't hold. This got asked in the comments so many times that we just wrote it into the table. The table is on the "Parameters" page, filterable by cell × material × thickness.

Brushless motor turned monster fan, part 2 done. Installed + tested in one go, the sound takes off on the spot🔥 The spot welder locks the battery in solid — full throttle, spinning like mad, not budging an inch! This isn't a fan, it's a 'turbojet engine' strapped to your body… Take it out in summer — it works better than bringing an AC💨 #MonsterFan #BrushlessMotor #AWithZSpotWelder #UF20BSpotWelder #TechShenanigans

DIY monster fan | Hardcore conversion of a drone brushless motor into a monster fan🔥 Step-by-step tutorial, a spot welder builds super-strong airflow💨, enough wind to take off — the summer cooling wonder! #AWithZSpotWelder #UF20BSpotWelder #MonsterFan #DroneMotorMod #diy

Avoid the pitfalls in 1 minute! Beginners building a pack — 3 steps solve the core problems: set the series count ➜ set the parallel count ➜ lock in the BMS. With the AWithZ H2-2026 handheld, even a newbie can weld a finished-grade pack and get safely to the end🚗 #AWithZSpotWelder #BatteryMaking #DIY #BeginnerGuide #PitfallGuide

When 'handheld' meets 'supercapacitor', the limits of welding are redefined. AWithZ HF7 — the industry's first handheld capacitor spot welder, fully tested and revealed. #AWithZHF7 #Handheld #CapacitorSpotWelder #Battery

Industry first, major launch! The all-new supercapacitor handheld HF7 spot welder is here! Not every handheld deserves to be called professional. Li-ion pack assembly, tool re-celling, model power mods — all done one-handed. Welds solid, lasts long, tunes precisely, no compromise. Stop settling — get it right in one step. Get in on the launch, keep watching👇 #AWithZSpotWelder #HF7 #HandheldSpotWelder #CapacitorSpotWelder

AWithZ UF20B spot welder | Solid welds on 32140, copper stays put. Still struggling with copper welds that won't hold? The AWithZ UF20B supercapacitor spot welder — output steady as a rock, not fussy about materials. Smart voltage regulation, no more cold welds, consistent weld spots. Punches through 0.15mm copper with ease; tear the copper strip and the weld stays. Hand-built Li-ion packs, done in one go. #32140Cells #AWithZSpotWelder #UF20B #Battery

Official

Everyone says copper won't weld? Brute strength works miracles! AWithZ UF20B supercapacitor spot welder — copper / pure nickel, all in, unedited footage; how would you score these welds?

Copper hard to weld? The UF20B just nails it! All-new supercapacitor + high-current burst — welds copper rock-steady, solid welds that don't come loose. Li-ion repair, battery PACK, industrial spot welding, batch processing — handles them all with ease; hardcore gear for professional work!

UK1 cordless portable spot welder, 9000W raging output! 1380A instant penetration. Click the knob, press the pen tip lightly, and the weld forms in an instant⚡ ✅0.3mm nickel-plated / 0.15mm pure nickel / 0.1mm copper, all handled with ease ✅Dual grade-A power cells for steady runtime and long life ✅Smart spot-welding pen — even beginners weld like seasoned pros DIY battery packs, repairs and mods, small-batch production — one unit does it all🛠️ #AWithZSpotWelder #CordlessSpotWelding #HardwareTools #DIYWonderTool