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FNIRSI HS-02B 100W Portable Corded Micro Soldering Iron Kit,2S Fast Heating | 212-842℉, Pre-set 3 Groups Temps, Auto Sleep, 3 Pcs 210 Tips, Smart Soldering Iron Pen for Electronics Repair
FNIRSI

FNIRSI HS-02B 100W Portable Corded Micro Soldering Iron Kit

Bottom line: The FNIRSI HS-02B 100W Portable Corded Micro Soldering Iron Kit ($70.99 on Amazon as of 2026-10-06): 100W max power hits 212-842 F, wide enough for SMD work and heavier joints; main trade-off: corded only - no battery or cordless operation despite the compact pen form.

$70.99

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Mike Perry — Hardware researcher since 2014. For PC and retro-hardware cleaning and maintenance tools, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 100W max power hits 212-842 F, wide enough for SMD work and heavier joints
  • ✓ 2-second heat-up and 3-second tinning per FNIRSI's spec
  • ✓ Ships with 3 210-series tips (I, IS, K) plus the 100W adapter in the box
  • ✓ 0.96-inch display and shorter tip vs the older HS01 for closer sightlines
  • ✓ Auto sleep and auto power-off with user-editable parameter settings

Cons

  • ✗ Corded only - no battery or cordless operation despite the compact pen form
  • ✗ Overcurrent trips can restart the unit unless you switch to Adaptive Power Mode
  • ✗ 100W is a ceiling, not a guarantee - output drops with a weaker supply
  • ✗ 210-series tip standard limits you to that tip family for replacements

SpecPicks Verdict

SpecPicks scored FNIRSI HS-02B 100W Portable Corded Micro Soldering Iron Kit using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. FNIRSI's tools & maintenance lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【FNIRSI HS02 Soldering Iron】We upgraded HS01, HS02 has a better grip, shorter tip, larger 0.96'' display, and faster heating speed.It is suitable for electronic component repair, jewelry repair, circuit board soldering, micro soldering
  • 【Supports up to 100W & 3 S Tinning】100W is the maximum power supported by the device. It can still be used normally if it is lower than 100W.If current is too high, overcurrent protection may restart the device—switch to Adaptive Power Mode for stable use.The temperature is adjustable within the range of 212-842 °F.
  • 【Portable and Lightweight】We provide a storage case for the soldering pen, which will make it easier for you to carry it outside.Its ergonomics are ensures greater results and comfort
  • 【3 Groups Pre-set Temp】Preset multiple groups of fixed temperature, fast temperature adjustment without time-consuming
  • 【Smart & Safe】 features sleep, automatic power-off, and other modes.Customize setting,set soldering iron parameters according to needs to meet daily usage
  • 【Extensive accessories】 HS02B is equipped with 3 soldering iron tips (I, IS, K). The integrated design allows the soldering iron to heat up quickly and maintain a stable temperature. And the 100 W charging adapter allows you to use it immediately

Full Specifications

BrandFNIRSI
Wattage100 watts
Head StylePencil
Style NamePencil
Item Length6.72 inches
Model NumberHS-02
Power SourceUSB Powered
CompatibilitySwitch
Item Type NameSoldering Iron
Handle MaterialRubber or Silicone
Heating ElementCeramic
Special FeaturePortable
Additional FeaturesPortable
Included Components100W PD Adapter, PD Charging Cable, Soldering Iron, Soldering Iron Stand, Soldering Iron Tips
Manufacturer Part NumberHS-02
Specific Uses For ProductJewelry Soldering, Residential Use
Full listing titleFNIRSI HS-02B 100W Portable Corded Micro Soldering Iron Kit,2S Fast Heating | 212-842℉, Pre-set 3 Groups Temps, Auto Sleep, 3 Pcs 210 Tips, Smart Soldering Iron Pen for Electronics Repair

Ready to buy?

FNIRSI HS-02B 100W Portable Corded Micro Soldering Iron Kit,2S Fast Heating | 212-842℉, Pre-set 3 Groups Temps, Auto Sleep, 3 Pcs 210 Tips, Smart Soldering Iron Pen for Electronics Repair is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $70.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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