Best Cordless Soldering Irons 2026: Electronics Repair Without the Cord

TL;DR: The PINE64 Pinecil V2 is the undisputed champion at $26 — 88 watts, 6-second heat-up, open-source firmware, and runs off your power tool batteries. Everything else costs more and does less. But if you’re married to a specific battery platform or need something dead simple, I’ve got you covered.

Best Overall	PINE64 Pinecil V2	88W, USB-C PD, QC, DC barrel, LiPo compatible, IronOS firmware, unbeatable value	$26-40
Best Budget	SEQURE SQ-D60B	60W power, TS100 tip compatibility, under $30 direct	$28-46
Best Portable	Miniware TS80P	8-second heat-up, CNC aluminum body, premium fit and finish	$90
Best for Field Work	Weller WLBU75	True cordless with butane, 75W max, 60-min runtime per fill	$70
Best AA Battery	Hakko FX-901	Uses standard AAs, 120-min runtime with NiMH, legendary Hakko reliability	$35

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Butane vs Battery vs USB: Which Power Source?

Here’s where most people screw up. They grab whatever’s cheapest without thinking about how they’ll actually use the thing.

Butane (Weller WLBU75)
True cordless freedom. No batteries to charge, no cables to pack. Just fill it with lighter fluid and you’re good for an hour of continuous use. Perfect for automotive work in the field, emergency repairs, or job sites without power. The downside? You’re carrying flammable gas, there’s an open flame, and temperature control is basically “hot” or “hotter.” Don’t bring this to an airport unless you enjoy TSA interrogations. For more recommendations, check out our best cordless glue guns guide.

Battery-Powered (Milwaukee M12, AA-powered)
Convenient if you’re already invested in a battery platform. Milwaukee’s M12 soldering iron slides right onto your existing batteries. But here’s the truth: most “cordless” soldering irons that use proprietary batteries are underpowered, overpriced, or both. The Hakko FX-901 with AAs is the exception — grab batteries at any gas station when you’re in a pinch.

USB-C / DC / LiPo (Pinecil V2, TS80P, SQ-D60B)
This is where the magic happens. Modern smart irons run off USB-C PD power banks, DC power supplies, or directly off LiPo batteries. The Pinecil V2 at 88W will melt solder faster than most wall-powered stations. Plus, you can charge it from your laptop charger, power bank, or slap an XT60 connector on a drone battery. It’s the most flexible option and usually the cheapest.

My recommendation? Unless you’re working somewhere electricity literally doesn’t exist, skip butane. USB-C powered smart irons like the Pinecil give you 90% of the performance at 40% of the cost.

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Buyer’s Guide: What Actually Matters

Temperature Range

Electronics work typically happens between 300-350°C (570-660°F). Anything less than 400°C max is limiting. The Pinecil hits 450°C, the TS80P stops at 400°C. For lead-free solder or heavy copper pours, you want that headroom.

Heat-Up Time

Old-school irons take 60+ seconds. Modern smart irons? Under 10 seconds. The Pinecil V2 hits operating temp in 6 seconds. The TS80P in 8. Even the budget SQ-D60B manages 10 seconds. If you’re waiting longer than that, you’re using yesterday’s technology.

Tip Compatibility

Proprietary tips are a racket. The Pinecil and SQ-D60B use standard TS100 tips — cheap, widely available, and you can get them everywhere from Amazon to AliExpress. The TS80P uses its own 3.5mm jack tips that cost more. The Weller uses proprietary butane tips. Factor replacement tip costs into your decision.

Wattage

More watts = more thermal mass handling. Here’s the breakdown:

• 5-30W: Light duty, small joints, PCB work
• 30-60W: General purpose, most electronics
• 60-88W: Heavy gauge wire, large copper pours, automotive

The Pinecil’s 88W is overkill for most people — and I mean that in the best way possible.

Display & Firmware

Basic irons have a 7-segment display (looking at you, SQ-D60B). Premium options get OLED screens showing real-time temperature, voltage, and status. But the real differentiator is firmware — Pinecil and TS80P run IronOS, an open-source firmware with more features than you’ll ever use. Motion detection, auto-sleep, custom boot logos, temperature curves — it’s hackable hardware at its finest.

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Mini-Reviews: The Honest Truth

PINE64 Pinecil V2 — The DIY Darling

Look, I’m going to be straight with you: at $26 from PINE64 directly, this thing shouldn’t exist. It’s too good for the price.

The Pinecil V2 is a portable soldering iron that runs off basically anything — USB-C PD, Quick Charge, DC barrel jack, or straight off a 3S-5S LiPo battery with an XT60 connector. It pushes 88 watts, heats up in 6 seconds flat, and hits 450°C. That’s more power than most bench stations.

The OLED display shows real-time temperature. It has Bluetooth BLE for some reason (firmware updates? sure). The motion sensor puts it to sleep when you set it down. And it runs IronOS — open-source firmware with 31 language support and more customization options than your average Android phone.

Tips are standard TS100, which means they’re $5-8 instead of $20+. The whole unit weighs 30 grams. Thirty. Grams.

The catch? PINE64 sells out constantly. You might wait weeks for stock. Amazon sellers mark it up to $40 (still worth it). And you’ll need to supply your own power source — though honestly, you probably have three compatible USB-C chargers in your house right now.

Verdict: If you can get one, just buy it. This is the soldering iron equivalent of finding a Ferrari at Honda prices.

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Miniware TS80P — The Premium Choice

The TS80P is what happens when engineers decide to make something pretty.

CNC-machined aluminum body. 8-second heat-up. 30 watts of power through a USB-C PD connection. The 0.69-inch OLED display looks crisp, and the whole package feels like a precision instrument — because it is.

Miniware upgraded this from the original TS80’s 18W to 30W, and it makes a real difference. You can actually solder larger joints without waiting for the tip to recover. The included tip ejector lets you swap tips without burning your fingers, and there’s a grounding clip for ESD-sensitive work.

Here’s the problem: it’s $90. More than three times the price of a Pinecil. And while the build quality is genuinely better, you’re paying a lot for aesthetics. The 3.5mm jack tip connection is proprietary, so tips cost more. And 30W, while decent, is still less than half the Pinecil’s output.

Verdict: Buy this if you value fit and finish, want something that looks good on your bench, and don’t mind paying for it. For pure performance per dollar, look elsewhere.

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Weller WLBU75 — The Field Warrior

Sometimes you need to solder in a barn. Or a crawl space. Or the middle of nowhere. That’s where the WLBU75 shines.

This is a butane-powered iron from Weller — yes, the same Weller that’s been making soldering gear since your grandpa was building Heathkits. It puts out 25-75 watts of adjustable power from butane fuel, giving you up to 60 minutes of continuous use per fill.

The real trick is the convertible tip system. Pop on a different tip and it becomes a hot air torch for heat shrink tubing. There’s even a torch mode for light brazing or lighting things on fire (not recommended, but possible).

Refill takes 20 seconds from a standard butane canister. The viewing window shows fuel level. Auto-shutoff when you cap it prevents accidents.

But let’s be honest: it’s messy. Temperature control is coarse at best. Tips are expensive. And you’re literally carrying pressurized flammable gas in your toolbox.

Verdict: Essential for field service techs, automotive electricians, and preppers. Overkill for bench work.

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SEQURE SQ-D60B — The Budget King

FPV drone pilots, this one’s for you.

The SQ-D60B is a no-frills smart iron that costs $28 direct from SEQURE. For that, you get 60 watts of power, USB-C PD and QC support, XT60 connector for LiPo batteries, and 10-second heat-up.

It uses standard TS100 tips (smart). It has auto-sleep and motion wake (smart). It includes a basic stand, stickers, and hex tools in the box (nice touch).

The 7-segment display is basic but functional. The firmware isn’t upgradeable. Build quality is… let’s call it “adequate.” The silicone grip hides the tip retention screw, which is annoying.

But here’s the thing: for under $30, you can toss one in every field bag. Solder an XT60 at the flying field. Repair an ESC at a race. Drop it in a lake and you’re only out pizza money.

Verdict: The perfect beater iron for people who actually use their tools. Not fancy, not precious — just works.

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Hakko FX-901 — The Reliable Workhorse

Hakko doesn’t make bad soldering equipment. It’s physically impossible — I’m pretty sure it’s against Japanese law.

The FX-901 is a AA-powered iron that delivers 5-6 watts of Hakko reliability in a 76-gram package. No temperature control, no display, no firmware updates. Just a power switch and a ceramic tip.

Pop in four AAs and you get 60 minutes of runtime (alkaline) or 120 minutes (NiMH). Heat-up takes 40 seconds — slow by modern standards, but hey, it’s running on Duracells. The quick-change tip system uses standard Hakko T11 tips.

The safety cap doubles as a stand. There’s a power LED so you don’t drain batteries overnight. And if your AAs die, you can buy replacements literally anywhere on Earth.

Is it powerful? No. Is it fancy? No. Will it still work in 10 years? Absolutely.

Verdict: The perfect glovebox iron. Throw it in your car, forget about it, and it’ll be ready when you need it.

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Specs Comparison Table

Spec	Pinecil V2	Miniware TS80P	Weller WLBU75	SEQURE SQ-D60B	Hakko FX-901
Model #	Pinecil V2	TS80P	WLBU75	SQ-D60B	FX-901
Power Source	USB-C PD/QC, DC, LiPo	USB-C PD/QC	Butane	USB-C PD/QC, LiPo	4x AA
Max Power	88W	30W	75W	60W	6W
Temp Range	100-450°C	100-400°C	Up to 454°C	100-400°C	315°C (fixed)
Heat-Up Time	6 sec	8 sec	Instant	10 sec	40 sec
Weight	30g	36.5g	135g	~40g	76g
Display	OLED	OLED	None	7-segment	None
Tip Compatibility	TS100	TS80/TS80P (3.5mm)	Weller Butane	TS100	Hakko T11
Firmware	IronOS (upgradeable)	IronOS (upgradeable)	N/A	Fixed	N/A
Runtime	Varies by source	Varies by source	60 min/fill	Varies by source	60-120 min
Price	$26-40	$90	$70	$28-46	$35
Our Rating	9.3/10	8.7/10	8.2/10	8.0/10	7.8/10

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DIY Projects: What You Can Actually Do With These

Circuit Board Repair

All of these irons handle standard PCB work, but the Pinecil V2 and TS80P shine for SMD components. The precise temperature control and fast heat-up mean you can hit 320°C, solder your QFP chip, and the iron’s back to sleep before you know it. For through-hole, anything over 30W is fine.

Guitar Cable Repair

1/4″ connectors on instrument cables need heat. A lot of it. The Pinecil’s 88W melts the pot and solder in seconds. The Hakko FX-901 at 6W? You’ll be there a while. For audio work, aim for at least 30W unless you enjoy frustration.

Automotive Wiring

Car wiring is often 14-16 gauge with corrosion and mystery heat shrink. The Weller WLBU75 is the classic choice here — no batteries to die mid-job, plenty of heat, and the torch mode shrinks tubing without a separate tool. The Pinecil with a PD power bank is a close second.

FPV Drone Repairs

Field repairs at the flying field demand LiPo compatibility. The Pinecil V2 and SQ-D60B both run straight off 4S-5S batteries via XT60. Keep one in your flight bag and you’ll never miss a race because of a broken pigtail again.

Jewelry & Crafts

For small decorative soldering, the TS80P’s precision and elegant handling shine. The lower weight means less hand fatigue on detailed work, and the fine tips available for the TS80 platform are perfect for jewelry-scale joints. You might also find our best tools for small spaces roundup helpful.

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Where to Buy

Product	Retailer	Price	Link
Pinecil V2	PINE64 Store	$25.99	Buy on Amazon
Pinecil V2	Amazon	$39.99	Buy on Amazon
TS80P	Amazon	$89.99	Buy on Amazon
TS80P	Adafruit	$89.95	Buy at Adafruit
Weller WLBU75	Amazon	$69.99	Buy on Amazon
Weller WLBU75	Home Depot	$79.92	Buy at Home Depot
SEQURE SQ-D60B	Amazon	$27.80	Buy on Amazon
SEQURE SQ-D60B	Amazon	$45.99	Buy on Amazon
Hakko FX-901	Amazon	$34.99	Buy on Amazon

Prices as of February 2026. Affiliate links — we may earn a commission at no cost to you.

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Final Thoughts

The cordless soldering iron market used to be a wasteland of weak, expensive disappointments. Then the smart iron revolution happened, led by the TS100 and perfected by the Pinecil V2.

At $26, the Pinecil V2 is honestly underpriced. It’s not perfect — you need to source your own power supply, stock is unpredictable, and the learning curve is steeper than a basic iron. But nothing else comes close to the performance-per-dollar.

If the Pinecil is a modded Civic with a turbo, the TS80P is a stock BMW — polished, refined, and expensive. The SQ-D60B is the beater truck you don’t mind beating up. The Weller is your grandpa’s toolbox: reliable, analog, and ready when the power’s out.

My advice? Buy a Pinecil V2. Buy two — one for your bench, one for your bag. And stop letting wall outlets dictate where you can fix things.

Last updated: February 2026