What should I do if my device shows "low voltage"?

Simply switch to Power Adaptive Mode or adjust the voltage settings to lower the voltage. For persistent alerts, a quick firmware update ensures smooth and stable operation.

Why does the device shut down or restart when heating begins?

The power setting may exceed the charger’s output Adaptive Power Mode: With the power disconnected, press and hold the right button, then connect the power supply to turn on the device Manual Adjustment: Lower the output, e.g. from 20V/65% to 15V/50%

Does the device support wireless operation?

No, this device requires a wired connection.

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FNIRSI HS-02A 100W Portable Soldering Iron Kit, 100-450℃, 3 Preset Temperature Groups, 3 Soldering Tips, Smart Digital Tool for Precision Repair

Product ID: 680644331

Details

Brand
FNIRSI
Power source
Corded
Special feature
Portable
Specific uses for product
Jewellery Use
Wattage
100 watts

⚡100W rapid heating power

📱0.96" large digital display

🌡️100-450℃ precise temp range

€ 210.82

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

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Description

🔥 Solder Smarter, Not Harder – Power, Precision & Portability in One Kit!

SMART TEMP CONTROL - Three preset temperature groups let you switch settings instantly, optimizing your workflow with zero downtime.
ERGONOMIC PORTABLE - Lightweight design with upgraded grip and included storage case means you can take your soldering game anywhere with comfort and style.
POWER PACKED PRECISION - 100W high wattage delivers lightning-fast heat-up in just 5 seconds, so you never miss a beat on your projects.
SAFETY MEETS INNOVATION - Sleep mode, auto power-off, and child lock features keep your workspace secure without sacrificing performance.
VERSATILE TIP SELECTION - Comes with 3 specialized soldering tips for jewelry, circuit boards, and micro-welding—ready for any precision repair challenge.

The FNIRSI HS-02A is a 100W corded soldering iron kit featuring a fast 5-second heat-up, a large 0.96" digital display, and three preset temperature groups adjustable between 100-450℃. Designed for professionals and hobbyists alike, it includes three specialized tips, ergonomic grip, and safety modes like sleep and child lock. Portable with a storage case, it’s ideal for electronics, jewelry, and micro-welding tasks requiring precision and reliability.

Specifications

ASIN	B0DBLMH1HS
Best Sellers Rank	344,308 in DIY & Tools ( See Top 100 in DIY & Tools ) 412 in Soldering Irons
Brand	FNIRSI
Customer Reviews	4.2 4.2 out of 5 stars (350)
Handle Material	Rubber or Silicone
Head Style	Pencil
Heating Element	Nichrome
Included Components	100W PD Adapter, 6 x Soldering Iron Tips, PD Charging Cable, Soldering Iron Stand, Soldering Stand, welder
Item Length	7.01 Inches
Item Weight	0.15 Ounces
Manufacturer	FNIRSI
Model Number	FNIRSI-HS-02A-6
Part Number	FNIRSI-HS-02A-6
Power source	Corded Electric
Special Features	Portable
Style	Pencil
Unit Count	1.0 count
Upper Temperature Rating	1000 Degrees Fahrenheit
Usage	Jewellery Soldering, Residential Use
Wattage	100 watts

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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€ 210.82

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews