Feature:1. High quality material: this lightweight, portable handheld spot welder is made of aluminium alloy housing, tough, High quality, with anodic oxidation surface, wear resistant, nice.2. Efficient welding: maximum output current is up to 4.2V max 650A; there are total 9 gears of output power, easily adjustable via one press, for precise welding.3. Good welding pen: integrated welding pen, not hot, safe to grip, with gold-plated terminal, ensures fine conductivity, low contact resistance, for beautiful welding spots.4. Power bank function \u0026 indicator light: equipped with USB port, it can fast charge mobile devices; LED lights clearly indicate the working gears and power status, very convenient.5. Long endurance: built-in high capacity battery, rechargeable via Type-C port, allows the spot welding machine to continuously weld thousands of points after being fully charged.Specification:Features:High quality material:this lightweight, portable handheld spot welder is made of aluminium alloy housing, tough, High quality, with anodic oxidation surface, wear resistant, nice.Efficient welding:maximum output current is up to 4.2V max 650A; there are total 9 gears of output power, easily adjustable via one press, for precise welding.Good welding pen:integrated welding pen, not hot, safe to grip, with gold-plated terminal, ensures fine conductivity, low contact resistance, for beautiful welding spots.Power bank function & indicator light:equipped with USB port, it can fast charge mobile devices; LED lights clearly indicate the working gears and power status, very convenient.Long endurance:built-in high capacity battery, rechargeable via Type-C port, allows the spot welding machine to continuously weld thousands of points after being fully charged.Specifications:Material: aluminium alloyColor: blackUSB Output: 5V max 2.4AWelding Output: 4.2V max 650ACharging Port: Type-CBattery: 3.7V 5300mAh batteryItem Size: 103*83*29mm / 4.05*3.26*1.14inPackage Size: 20*11*4cm / 7.87*4.33*1.57inPackage Weight: 480g / 16.93ozNote:Spot welder set only, other accessories in the pictures are not included.Due to lighting or other reasons, the picture and material object may slightly differ.Due to manual measurement, there may be deviation, please in kind prevail.Packing List:1 * Spot Welder2 * Welding Pen1 * Nickel Sheet1 * Charge CablePackage List:1 * Spot Welder2 * Welding Pen1 * Nickel Sheet1 * Charge Cable