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The FNIRSI HS-02 is a portable, screen-equipped soldering iron rated at 100 W, with adjustable temperature from 212 to 842 °F and a 0.96-inch display. It heats fast, holds three preset temperatures, and adds sleep, auto power-off and child-lock modes. It suits electronics repair, jewelry work and board-level micro soldering where a bench station is impractical. Against fixed-tip budget irons it offers more control and a case; against premium portable irons it leans on power and presets rather than brand support. Owners rate it highly, with 4.9 out of 5 from 348 ratings.
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Owners rate the HS-02 very highly, at 4.9 out of 5 from 348 ratings, and praise its fast heat-up, compact size and clear display. The preset temperatures and safety modes come up as practical for repeated work.
The FNIRSI HS-02 is a portable soldering iron with a 0.96-inch color screen. It has an upgraded design with an improved grip, a shorter tip and faster heating. It is used for electronic component repair, jewelry repair, circuit board soldering and micro soldering.
Power is up to 100 W, and the iron tins in 2 seconds. Temperature is adjustable from 212 to 842 °F, and the iron adjusts its power output automatically. Three preset temperature groups allow quick changes. Sleep mode, automatic power-off and a child lock mode are included, and parameters can be customized.
The iron has no built-in battery and needs an external power source through its Type-C port. A storage case is provided for carrying. A 100 W charging adapter is included. The HS-02A comes with 6 tips (K, KU, JS, I, C2, B). The HS-02B comes with 3 tips (I, IS, K).
