Features: Ultra-Portable with Powerful Features: This soldering iron is the perfect blend of compactness and high performance, making it an ideal choice for repairs and creations on the go. Plug-and-Play Convenience: Don’t stress about battery life. Even when it runs out, you can power it directly using a phone charger, ensuring you're always ready to solder whenever needed. Long-lasting Battery and Quick Charging: With its built-in 2600mAh battery, a mere 2.5 hours of charging allows for up to 50 minutes of work time. Safety and Durability: The aluminum alloy shell combined with high-grade special materials ensures resistance to high temperatures and static electricity. Added features like auto-shutdown and overheat protection ensure a safe soldering experience. Highly Customizable Performance: Easily adjust the output voltage and working temperature to make sure you achieve perfect soldering every time. Specifications: Model: BS45 Power: Approx. 16-20W Temperature Range: 320~450& 8451; Power Source: DC5V2A Charging Voltage: USB-5V Battery: 2600mAh Charging Time: Approx. 2.5 hours Battery Life: Approx. 50 minutes Soldering Time: Approx. 8-12 seconds Soldering Tip Resistance: 1.2-3Ω Adjustable Output Voltage: 3.2-4.