FNIRSI HS-02A Portable Soldering Iron Kit 100W
- Up to 100W at 9-20V, adjustable 212-842 F
- 6 F245 tips: K, KU, JS, I, C2, B
- 3 preset temperatures, sleep and auto power-off
- 100W PD adapter and stand included
- Nichrome heating element, rubber or silicone grip
- 0.96 inch display
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A versatile pen iron for electronics and jewelry work, with six tip shapes and a full-power adapter in the box. It is corded and depends on a strong power supply.
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ASIN: B0DBLMH1HSModel: HS-02ACategory: Soldering Irons
Overview
A nichrome heater built into the pen with the tip lets this FNIRSI iron heat quickly and hold a steady temperature on circuit boards and jewelry. A stand, a full-power USB-C adapter and six tip shapes come in the kit.
Six tip shapes cover fine pads, drag soldering and larger joints without buying extras, and presets jump between temperatures. A weaker supply can cause restarts, fixed by the adaptive power mode or a lower voltage.
Who it's for
Hobbyists and repair techs moving between fine electronics and bigger joints get a broad tip set and a stand. Workshops wanting a heavy bench station with a hot air tool should look elsewhere.
Pros and cons
- Six tip shapes included
- Stand and adapter in the box
- Stored temperature presets
- Sleep and auto power-off
- Corded use only
- Restarts on weak power sources
- Listed weight looks unreliable
Performance notes
Temperature stability comes from the integrated heater and tip, with heat recovery limited by the wattage the power source can deliver. When the supply sags, the iron restarts unless the adaptive power mode or a lower voltage is set.
Specifications
| Brand | Fnirsi |
|---|---|
| Model | HS-02A |
| Dimensions & fit | |
| Item Length | 7.01 inches |
| Item Weight | 4.26 g |
| Capacity & performance | |
| Heating Element | Nichrome |
| Wattage | 100 W |
| Temperature range | 212-842 F |
| Maximum Temperature | 842 F |
| Upper Temperature Rating | 842 °F |
| Power & efficiency | |
| Power Source | PD/DC adapter |
| Input Voltage | 9-20 V DC |
| Construction & materials | |
| Handle Material | Rubber or silicone |
| Included components | |
| Included Components | Soldering iron, 6 F245 tips (K, KU, JS, I, C2, B), 100W PD adapter, stand, USB cable, storage case |
| Other details | |
| Additional Features | 3 temperature presets, sleep, automatic power-off, adaptive power mode |
| Specific Uses For Product | Electronics, circuit boards, micro soldering, jewelry |
| Display | 0.96 inch |
| Style Name | Pencil |
Frequently asked questions
How long is the FNIRSI HS-02A iron?
The listed item length is 7.01 inches.
Why does my FNIRSI HS-02A restart?
It can restart when the power source cannot supply enough current. Switch to Adaptive Power Mode or lower the voltage.
Is a stand included with the FNIRSI HS-02A?
Yes, the included components list a soldering iron stand along with the 100W PD adapter and USB cable.