Features WITH CHARGING BANK FUNCTION: Mini spot welder also support spot welding while charging, which greatly improve work efficiency FAST CHARGING: The portable spot welder has a built in 5500Mah high rate rechargeable lithium battery with a Type C charging cable, which can be fully charged in 3 hours and can continuously weld thousands of points after full charging SAFE AND ASSURED: The gold plate spot welding pen is composed of multiple strands of high temperature wire, with good electrical conductivity, torsional and low , safe to use LIGHT AND PORTABLE: Spot welder compact and portable size is also very easy to carry. A ideal spot welding tool for you RESISTANT ALUMINUM ALLOY: Spot welding equipment is made of excellent aluminum alloy material, light weight, possess good strength and good Spec: Item Type: Mini Spot Welder Product Model: DH30 Battery Type: 1 x High rate rechargeable lithium battery(5500mah) Output Voltage: 5V (maximum) Output Current: 650A (maximum) Design Current: 1200A (maximum) Charging Interface: Type C Input Power: 5V 2A Recommended Strip Thickness: 0.1-0.15mm How to Use: Take out the product and use directly. PackageList: 1 x Host 2 x Welding Pen 1 x Strip 1 x Data Cable Package List 1 x Host 2 x Welding Pen 1 x Nickel Strip 1 x Data Cable