FNIRSI HS-03 Cordless Soldering Iron with 2600mAh Battery and USB-C Fast Heating

The FNIRSI HS-03 is a versatile cordless soldering iron designed for true wireless operation, making it an ideal choice for electronics repair, DIY projects, field service, and precision soldering tasks. Featuring a high-capacity 2600mAh replaceable battery, dual power modes, and fast 7-second heat-up, this tool delivers professional-grade performance for both experts and hobbyists at home, in the office, or on the go.

Key Features:

• 1) True Cordless Freedom – Built-in 2600mAh replaceable battery for extended wireless operation.
• 2) Dual Power Mode – Switch seamlessly between battery power and USB-C connected mode.
• 3) Fast Heating – Melts solder in just 7 seconds for immediate use.
• 4) Wide Temperature Range – Adjustable from 100°C to 450°C (212°F to 842°F).
• 5) Ultra-Precise Control – 1°F increments for fine temperature adjustment.
• 6) Advanced PID Chip – Ensures exceptional temperature stability and minimal fluctuation.
• 7) 5 Quick-Adjust Presets – Instant switching between temperature levels for faster workflow.
• 8) Smart Auto Sleep & Power Saving – Customizable sleep and standby timers to save energy and extend tip life.
• 9) 0.96" IPS HD Display – Clear, real-time monitoring of temperature, power, and mode.
• 10) Ergonomic Design – Compact, lightweight (≈134g) with a silicone grip and support for left/right-hand use.

Specifications:

Additional Features & Advantages:

• True Portability: The high-capacity battery and cordless design allow you to solder in places without a power outlet, ideal for automotive, telecom, or outdoor repair work.
• Enhanced Precision: The F210 fine tips and 1°F adjustment are perfect for SMD components, small PCBs, and intricate electronics work.
• Extended Lifespan: The smart auto sleep system and replaceable battery design significantly increase the overall durability and usability of the tool.
• Universal Compatibility: Powered via USB-C, it can be charged with a laptop, power bank, or any standard phone charger.

Where Can Be Used:

• Home & Hobby: DIY electronics, Arduino/raspberry Pi projects, repairing headphones, keyboards, or small appliances.
• Automotive & Field Service: On-site repair of car ECUs, wiring harnesses, or sensors without needing a wall outlet.
• Office & IT: Quick fixes for cables, connectors, docking stations, and other peripheral hardware.
• Professional Repair: Mobile phone repair, laptop motherboard troubleshooting, and other precision soldering tasks.

Package List:

• 1 x HS-03 Main Unit (with 2600mAh Battery & Installed K-Tip / Knife Tip)
• 1 x Protective Pen Cap
• 1 x I-Tip (Extra Sharp Pointed Tip)
• 1 x IS-Tip (Bent Hook Tip)
• 1 x Screwdriver (for tip or battery changes)
• 1 x USB Charging Cable (Type-C)
• 1 x Portable Storage Box

• Important Compatibility Note:

  ⚠️ HS-02A and HS-02B/HS-03 tips are NOT interchangeable. Please check your soldering iron model carefully before purchasing.

  • If you own FNIRSI HS-02B or HS-03 → choose HS02B-xxx (F210 series) tips