Fnirsi HS-03 Cordless Soldering Iron – Perfect Portable Solution for Light Duty Use @KerryWongBlog
Fnirsi HS-03 Cordless Soldering Iron – Perfect Portable Solution for Light Duty Use @KerryWongBlog
Uploaded June 2026 | Updated September 2026, 2 weeks ago
In this video, I reviewed a Fnirsi HS-03 cordless soldering pen. It's rated for 10W and is intended for light soldering work. Product link: amzn.to/4dKL2cf

Wire fixture for soldering: https://s.click.aliexpress.com/e/_c4Cy0Xm1
Miniware TS1C cordless soldering station: youtu.be/R_TsYDJ_NN8

00:00 Overview
01:26 What’s included
03:36 Case, battery
05:21 Power on, temperature setting
08:31 Menu options
10:05 Soldering test
12:50 Thicker traces
14:56 Conclusions
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Kerry Wong |

Fnirsi HS-03 Cordless Soldering Iron – Perfect Portable Solution for Light Duty Use

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