Feature:1. Onebutton control, long press to turn on/off the machine, short press to switch gears, a total of 4 levels are adjustable.2. Equipped with a Type-C Charging cable, the spot welder can be easily charged, which is very convenient.3. When the soldering pen is connected to the nickel sheet, the MOS tube will automatically output. Equipped with indicator light.4. High power, small size and light weight, easy to carry, support welding battery.5. The handheld spot welder will automatically shut down under low voltage to protect the battery.Specification:Item Type: Spot WelderProduct Material: Aluminium AlloyApplication: Suitable for household daily or small spot welding/end welding work. Battery Capacity: 1 x 5000mAh Lithium Battery (built-in)Output Voltage: Maximum 4.2V Output Current: Maximum 500ADesign Current: Maximum 1000AWelding Medium: 0.1-0.15 nickel plate, iron plate, stainless steel. Welding Time: A few milliseconds. Charging Voltage: 4.5~5.5V (current 2.5A).Package List:1 x Spot Welder1 x Charging Cable2 x Bonding Wire1 x User ManualNote:1. Please fix the spot welding items in the spot welding mode;2. Please keep the welding object in a flat state;3. Please keep a cooling time of about 10s after welding.