The soldering iron constantly reboots when trying to start to turn it on

1.Check the cableb connection,try flipping the connector or swapping the CC cable ports 2.Use the power adaptive mode. With the device powered off, press and hold the right button while plugging in the power.

Does the device support wireless operation?

No, this device requires a wired connection.

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.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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FNIRSI HS-02B 100W Portable Soldering Iron Kit, 2S Fast Heating, 212-842℉, Pre-Set 3 Groups Temperature, 3 Soldering Tips, Smart Digital Soldering Iron Pen Tool for Electronics Precision Repair

Product ID: 670697103

Details

Brand
FNIRSI
Power source
USB Powered
Special features
Portable
Specific uses for product
Jewellery Use
Wattage
100 watts

⚡100W ultra-powerful heating

⏱️2-second rapid heat-up

🌡️212-842℉ adjustable temp range

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€ 168.87

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In stock

Sold byAmazon MartiniqueDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Solder Smarter, Not Harder — Power Meets Precision

PORTABLE PRO KIT - Lightweight design with storage case and 3 versatile tips—perfect for on-the-go pros
BLAZING 100 W POWER - Outheats standard 65W irons for lightning-fast soldering sessions
SMART SAFETY MODES - Sleep, auto-off, and child lock keep your workspace secure and stress-free
PRECISION TEMP CONTROL - Three pre-set temperature groups for flawless, repeatable results
INSTANT 2 SECOND HEAT UP - Get to work immediately—no more waiting around

The FNIRSI HS-02B is a 100W USB-powered portable soldering iron kit featuring ultra-fast 2-second heating, a wide 212-842℉ temperature range with 3 pre-set groups, and 3 interchangeable tips. Designed for electronics, jewelry, and circuit board repair, it combines smart safety features and ergonomic portability, making it the ultimate tool for precision soldering professionals on the move.

Specifications

Manufacturer	FNIRSI
Part number	HS-02
Item Weight	68 g
Package Dimensions	20.7 x 10.11 x 8.79 cm; 68.04 g
Item model number	HS-02
Style	Pencil
Material	iron
Power source type	USB Powered
Wattage	100 watts
Item Package Quantity	1
Head Style	Pencil, Chisel
Handle Material	Plastic
Special Features	Portable
Specific uses	Jewellery Soldering, Residential Use
Included components	100W PD Adapter, 3 Soldering Iron Tips, PD Charging Cable, Soldering Iron, Soldering Iron Stand
Batteries Included?	No
Batteries Required?	No

Reviews

T**N

Best iron I've ever used! Lots of heating power on demand, ergonomic, compact, versatile!

20.10.2025

F**N

Cumplió mis objetivos

Buen producto me ha gustado mucho para el uso que le doy si aconsejo que incluya el adaptador de corriente europeo ya que su fuente no lo es

7.01.2026

B**Z

Excelente

Superó la expectativa

14.04.2026

M**S

Aufheizgeschwindigkeit

Das beste in dieser Preisklasse ❗

5.01.2026

R**G

Great portable Micro Solder Joint Iron

30.01.2026

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