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Soldering Irons & Stations Best Smart Pencil Iron

FNIRSI HS-02A Smart Soldering Iron Review

Reviewed by · Last updated June 19, 2026 · How we rank

9.1 / 10 · our score

A corded "smart" pencil iron with 100W on tap, three preset temperatures and six F245 tips in a case. It heats in seconds and holds temperature under load — a serious step up from a basic plug-in iron.

Quick Specs

Brand
FNIRSI
Category
Soldering Irons & Stations
Price tier
Mid-range ($$)
Our score
9.1 / 10
Best for
Hobbyists who want station-class performance in a pencil form factor.

Our verdict

A smart pencil iron like this blurs the line with a full station: the integrated display and presets give you proper temperature control, and 100W means it does not sag when you hit a big ground plane. With six tips and a case included, it is a complete, capable kit for anyone past the absolute-beginner stage.

Pros & cons

Pros

  • 100W heats fast and holds temp under load
  • Six F245 tips cover most jobs
  • Clear smart display and presets
  • Comes in a tidy storage case

Cons

  • Needs mains power, not portable
  • Tip ecosystem is proprietary
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Key features

  • 100W corded smart iron
  • Six F245 interchangeable tips
  • Three preset temperature groups
  • 3-second fast heating, storage case

What's in the box

  • 100W corded smart soldering iron
  • Six F245 interchangeable tips
  • Stand and storage case
  • Solder not included

Contents come from the current Amazon listing and can change — check the listing before buying.

Getting started with the FNIRSI HS-02A Smart Soldering Iron

Set your three presets deliberately — one for fine work, one for general through-hole and one for heavy joints — so you can move between jobs without menu fiddling. Fit the tip shape to the joint rather than raising the temperature; with 100W behind it, a chisel tip at a moderate setting handles far more than a fine tip run hot.

Who it's for

Hobbyists who want station-class performance in a pencil form factor.

Alternatives worth considering

FNIRSI HS-03 Cordless Soldering Iron Kit, 2600mAh Battery Portable Soldering Iron, 212-842°F, 3s Fast Heating, 5-Level Temp, 0.96" IPS Display Soldering Iron for Electronics Repair, DIY, PCB

FNIRSI HS-03 Cordless Soldering Iron

The cordless sibling, for repairs away from an outlet at the cost of sustained power.

Hakko FX888DX-010 - Digital Soldering Station with Rotary Encoder

Hakko FX-888DX Digital Soldering Station

A full bench station with a far wider tip range, if desk space is not the constraint.

FNIRSI HS-02A Smart Soldering Iron: common questions

Is the FNIRSI HS-02A better than a soldering station?
It is a different shape rather than a lesser tool: 100W with proper regulation in a compact pen. A station offers a sturdier stand, a wider tip range and often more accessories, but for a small desk this gives you station-class heat in far less space.
What tips does the HS-02A use?
F245-style tips, with six included. That covers most jobs out of the box, which is unusual at this price and part of why the kit represents good value.
Does it need a separate power supply?
No — it is mains powered, so it heats fast and holds temperature indefinitely. That is its main advantage over battery irons like the HS-03.

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