Fnirsi HS-02B Smart Soldering Iron 100W

The Fnirsi HS-02B is a high-performance 100W smart soldering iron designed for precision electronics work. It combines rapid heating, precise temperature control, and exceptional mobility in a compact, durable package. With support for PD, QC, and DC power sources, this tool is ready for both professional electronics service and field repairs, offering maximum performance without compromise.

Advantages

Compared to standard soldering irons, the Fnirsi HS-02B provides significantly higher power and faster heating, reaching working temperatures in just two seconds. Its CNC-machined aluminum housing and silicone grip offer superior durability and comfort compared to plastic alternatives. The device features advanced adaptive power control, which protects both the tip and sensitive components, while the integrated PID control ensures stable temperature maintenance even during demanding tasks.

Suitable for

• Soldering electronic components and circuit boards
• Precision repair of SMD and BGA circuits
• Field electronics maintenance and mobile service
• Soldering massive wires, connectors, and large areas

This soldering iron may not be suitable for heavy-duty industrial welding or tasks requiring extremely high thermal mass beyond the capacity of a portable soldering tip. It is also not intended for use with power supplies that do not meet the minimum voltage requirements of 9V.

Key specifications

• Maximum power: 100 W
• Temperature range: 100–450°C
• Heating time: approx. 2 seconds
• Power input: USB-C PD, Quick Charge, or DC 9–20 V
• Display: 0.96" IPS color screen
• Protection: ESD safe with grounding capability
• Housing: CNC-machined aluminum and silicone

How to use

To begin, connect the soldering iron to a compatible power source using the provided USB-C cable. Once powered, use the physical buttons to select your desired temperature or choose from the preset profiles. The device will heat up almost instantly. Place the iron on the included stand when not in use to trigger the automatic sleep mode, which preserves the tip and saves energy. The device will automatically resume the set temperature when lifted.

What to consider before purchase

• Ensure your power supply supports the required PD, QC, or DC voltage standards
• Verify that the included tip types match your specific soldering requirements
• Consider the need for a stable workspace for the included mini stand

Usage recommendations: Always use the provided stand to activate the inductive sleep mode, which extends the lifespan of the heating element and ensures safe operation. Keep the tip clean and tinned to maintain optimal heat transfer and prevent oxidation.