Mini USB Soldering Iron Kit 5V 8W – Adjustable Temp Welding Pen

$21.62 $27.10

Mini USB Soldering Iron Kit – Portable 5V 8W Welding Pen

Take your electronics projects anywhere with this compact Mini USB Soldering Iron Kit. Powered by any standard 5V USB source, this 8W welding pen heats up fast, features adjustable temperature control up to 400°C, and is perfectly sized for SMD work, circuit board repairs, hobby electronics, and delicate precision welding tasks. The slim, lightweight design fits comfortably in hand and slips easily into a toolbox or backpack.

Key Features

USB Powered (5V / 8W): Works with any USB power bank, wall adapter, or laptop — no dedicated power station needed.
Adjustable Temperature: Reaches up to 400°C with quick heat-up and cool-down for precise, controlled soldering.
Auto-Sleep Function: The LED indicator turns off automatically after 15 seconds of inactivity to conserve energy; simply touch the metal contact point to wake it instantly.
Fine Tip Design: Small, precise tip is ideal for SMD components, circuit boards, jewelry repairs, and other fine detail work.
Durable ABS + Stainless Steel Build: Rust-resistant, age-resistant construction built for long-lasting everyday use.
Easy On/Off: Press and hold the switch for 2+ seconds to power on or off — simple and intuitive.
CE Certified: Meets CE safety standards for your peace of mind.
Compact & Portable: Measures just 160 × 19.8 mm (approx. 6.82 × 0.78 in) — lightweight and travel-friendly.

Specifications

Input Voltage: 5V DC (SELV — Safety Extra-Low Voltage)
Power: 8W
Max Output Temperature: 400°C
Material: ABS + Stainless Steel
Color: Gray
Dimensions: 160 × 19.8 mm / 6.82 × 0.78 in
Certification: CE
Country of Origin: Made in Mainland China

What's in the Box

1 × USB Soldering Iron
1 × USB Power Cord
1 × Metal Bracket Stand

Important Usage Notes

Do not rotate the soldering iron cap when removing it — pull it straight off to avoid loosening the tip.
Keep the tip snug and properly seated before use to ensure proper heating.
Allow the tool to cool completely before storing or handling the tip.

Frequently Asked Questions

Q: What power source does this USB soldering iron require?

A: The mini USB soldering iron runs on any standard 5V USB power source — including USB wall adapters, power banks, and laptop USB ports. It draws 8W, so make sure your power source can supply at least 1.6A for best performance.

Q: Is this soldering iron suitable for beginners and SMD work?

A: Yes! The fine tip, lightweight body, and simple press-and-hold on/off switch make it very beginner-friendly. The slim tip is especially well-suited for SMD (surface-mount device) soldering, circuit board repairs, and other precision hobby electronics tasks.

Q: How does the auto-sleep feature work?

A: If the soldering iron is idle for 15 seconds, the LED indicator will turn off and the tool enters sleep mode to save energy. Simply touch the metal contact point on the handle to wake it back up and resume work immediately.

Q: How do I remove the soldering tip safely?

A: Always pull the cap/tip straight off — never twist or rotate it. Rotating the cap can loosen the soldering iron tip, which prevents it from heating correctly. Make sure it is fully cooled before handling.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.