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🔥 Solder smarter, not harder — power and precision in your palm!
The Weller Super-Pro PSI100K is a professional-grade cordless butane soldering iron delivering 125 watts of power with adjustable temperatures up to 580°C. Featuring instant self-ignition and a rugged stainless steel body, it’s engineered for demanding industrial and fieldwork applications. Trusted globally by experts, this portable kit redefines hand soldering with unmatched convenience and reliability.





| ASIN | B000ICGN38 |
| Additional Features | Cordless |
| Best Sellers Rank | #27,956 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #65 in Soldering Irons |
| Brand Name | Weller |
| Customer Reviews | 4.6 4.6 out of 5 stars (588) |
| Global Trade Identification Number | 00037103060976 |
| Handle Material | Rubber |
| Head Style | Pencil |
| Heating Element | Ceramic |
| Included Components | WELLER - PSI-100K PORTASOL KIT (PSI100K) |
| Item Type Name | Hand Tools |
| Item Weight | 0.45 Pounds |
| Manufacturer | WELLER |
| Manufacturer Part Number | PSI100K |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Model Number | PSI100K |
| Number of Items | 1 |
| Power Source | Butane Fuel Cell |
| Specific Uses For Product | Professional |
| Style Name | 6-piece kit |
| UPC | 163121251413 640024928456 037103060976 094718006713 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 580 Degrees Celsius |
| Wattage | 125 watts |
J**B
These are made right. Heat up fast and get really hot.
Awesome cordless option
I**D
Great product.
Works great. Heats very fast. The only negative I see is that I wish the butane capacity was higher.
S**A
Great product at a reasonable price
Works well. Great quality and great product. Came with multiple attachments. I’ve been using it for over 5 months and no leaks or issues at all. I work for a high end electric vehicle company and this thing has been used and abused
D**D
Good iron, crap case
This works great, even for larger wire or splices with 3-4 wires. The case is crap, so only 4 stars.
S**R
Product is what you need, if the description is what you need….
Phenomenal. I’m actively doing dash work on automobiles, including computer data lines. Solder is the correct way. This product delivers… On time 👌
M**N
A high quality portable soldering iron.
I have purchased several low cost butane irons and all of them were made cheaply. While nearly everything at low cost today seems to be made in China, some China production is truly worthless junk that will fail shortly & you with no replacement parts to be had from anywhere. My last $30 iron was one of these & it looked wonderful but the metal was so soft it deformed when hot and low pressure applied to the tip. I am a Ham Radio operator 300 feet from the ocean and have migrated from lead based solder to the lead free versions which will not oxidise as readily near salt water. This requires a higher heat as some of the wires are 14 gauge and the connectors are substantial. Being far from electricity the only way I could get the power to solder was to use a 1,200 watt inverter and power it from a motorcycle battery and then use my Weller electric iron to do the job. A lot of work and the battery did not last long. To carry a deep cycle battery out to the different antennas is not realistic. This weller Iron does three particular things for me; It melts the plumbing solder quickly. It has a very effective adjustment valve for the gas (heat) flow and it is solid as a rock. More, it starts easily and the controls are effective. I rate this 5 stars because it does what I bought it to do and it does it well. It is NOT a 250 watt equivalent iron and I don't know if there is one for butane that gets that hot. I would like one assuming it also went down to as low a temperature as this one but I don't need it Cons: The product itself is just fine. You do need to remember to shut off the gas by using the on/off "switch" as at the lowest valve setting there is still a miniscule flame that endures and will remain lit while you put the iron away. I would like to see a metal sheath for the tip to fit into that will snuff out any flame when putting the iron away in its case, one affixed to the case that requires the iron to seat into it to close the case. In case of user stupidity it would not stop the butane from running out but it would stop the heat.
K**S
Butane soldering iron
My last one lasted 20 years
N**K
Replacement unit.
After 2 years of hard soldering work in various capacities, the torch valve failed to ignite. This is the third replacement unit. This kit either works or it fails completely, no matter what you do to revive it by disassembling it all the way down to the valve. Parts are not available, so buy a replacement unit.
A**S
To early to tell yet. I’ve had one like this for years used it a lot it started to go faulty So I took the plunge it’s expensive but from past experience hopefully it lasts as long. My only dought is the hinge on the lid it looks frail but we will see. I have filled it up and tried it It fired up straight away. I will leave an update when it’s been used in anger 🤔🙏
P**.
Beau kit a voir dans son coffre a outils chauffe rapidement, buse de qualité, allumage facile et rapide Je recommande!
S**L
Great iron, replaces my VERY dependable 25 year old pyropen. Lights easily but could use a basic flow control. Tips seem good, as is expected from Weller. The case is odd to me, the lack of storage for even a small hand coiled length of solder is a missed convenience, I suppose I could put it inside the round tip cleaner if dry. Similarly the heat shrink deflector has no storage spot in the case, it must be kept on the heat tip on the iron or left to flop around in the space for tip storage. The heat tip can be stored properly, the deflector cannot. Small gripes... The performance of the iron is excellent, tip prep is of course required as with any new soldering iron tip. This iron can get very hot, just like the original, so extended use (15min +) should be watched. The housing glowing orange, easily seen in low light conditions, is a pretty good indicator that it needs a break! Note: your tip needs to be taken care of in those extreme heat cases of extended use, it should cleaned and retinned as it cools down or the tip will oxidize, (possibly to unusable - my own mistakes taught me that one!!) Great tool I recommend it!
J**T
★★★★★ – Super outil de soudage ! Le Weller PSI100K est un excellent choix pour les réparations électroniques. Il chauffe rapidement, est confortable à tenir et offre une grande précision. Parfait pour les petits travaux de soudure. Je recommande d’utiliser un gaz filtré pour assurer un rendement optimal à long terme. Très satisfait de ce produit, il fait le job à la perfection !
T**S
Awsome product
Trustpilot
2 months ago
3 weeks ago