Feature: 1. ♦ Portable and Convenient: Our battery spot welding machine with LED display is designed for easy transportation and quick use. The detachable welding needle allows for easy replacement, ensuring continuous operation without interruption. With 8 layers of protection including short circuit, low temperature, high temperature, overcharge, and overdischarge protection, etc. 2. ♦ Versatile and Efficient: Featuring 11 levels of output power, support manual and automatic modes to switch, our welding machine adapts to various welding tasks. It supports a self-adaptive dual-pulse plating nickel welding range of 0.05mm - 0.25 mm, ensuring strong and reliable welds with exceptional results. 3. ♦ Long-lasting Battery Life, Comfortable Grip: Equipped with a built-in 3000mAh lithium battery, our welding machine offers extended usage time. The fast charging feature with 5V1A allows for quick recharging, ensuring uninterrupted workflow and increased productivity. 4. ♦ Comfortable Grip,Enhanced Performance: The arc-shaped handle design provides a comfortable grip, allowing for precise control during welding. 5. ♦ Reliable and Safe: With its comprehensive protection features and intelligent temperature detection system, our welding machine guarantees safety and reliability during operation. Whether you are a professional or a DIY enthusiast, our welding machine is the perfect choice for all your welding needs. Specification: Product Model: 756 Color: Black Material: ABS Gear Adjustment: 11 Gear Adjustment Battery: 3000 mAh Charging Input: DC 5V 1A Output Voltage: 4.2V Output Current: 800A (MAX) Net Weight: 149g Product Size: 19.6*4.1*2.5cm Package List: 1 x Spot welder 2 x Copper needles 1 x Charging cable 1 x 2M nickel coil 1 x Sandpaper 1 x Instruction manual