The FNIRSI HS-03 cordless soldering iron features a 2600mAh rechargeable battery, delivering true wireless soldering for electronics repair, DIY, and precision work. With fast heating, USB-C power support, and accurate temperature control, it provides stable performance for both professionals and hobbyists.

Features:

2600mAh Replaceable Battery – True Cordless Freedom
High-capacity battery with a replaceable design enables full wireless operation while extending the product lifespan—perfect for field work, repairs, and outdoor use without limits.
Dual Power Mode – Cordless & USB-C Powered
Switch seamlessly between battery and Type-C power supply for uninterrupted soldering anytime.
Fast Heating – Melt Solder in 7 Seconds
Rapid heat-up technology ensures quick start and high efficiency for daily tasks.
Wide Temperature Range (212–842℉ / 100–450℃)
Covers everything from delicate SMD work to high-temp soldering applications.
1℉ Precision Adjustment Control
Fine-tune temperature in ultra-precise increments for professional-grade accuracy.
Advanced PID Temperature Control Chip
Maintains stable temperature and minimizes fluctuations under load, ideal for precision electronics.
5-Level Quick Temperature Presets
Instant switching between preset levels (480–840°F) for faster workflow.
Smart Auto Sleep & Standby System
Customizable sleep (0.5–60 min) and standby (1–60 min) to extend tip life and save power.
0.96" IPS HD Display – Real-Time Monitoring
Clear display shows temperature, power status, and working mode at a glance.
Left & Right Hand Mode Support
Adaptive control system automatically adjusts button logic for both left- and right-handed users.
F210 Precision Tips for Fine Work
High-quality tips (2.10Ω core) deliver excellent thermal response for small components and SMD soldering.
Compact & Lightweight Design
Ultra-portable and ergonomic with silicone grip, perfect for long-time handheld use.