Feature: 1. Added power bank function, 2.4A mobile phone output, fast charging for mobile phone. 2. The output power of 6 levels is adjustable, and the welding is more precise. 3. Automatically cut off power over 60, copper core output is safer, and intelligent temperature control safety protection. 4. Multi-device compatible charging, battery insulation protection, and enhanced over-current capability. 5. Manually and automatically adjustable, gold-plated pen end, purple pen barrel, copper oxide LV soldering needle. Specification: Product Name: Power Bank Spot Welder Battery type: Rechargeable polymer lithium battery Battery capacity: 5000mAh large battery Output voltage: 4.2V (MAX) Output current: 650A (MAX) Design current: 1000A (MAX) Input interface: Type-C charger Input parameters: 5V/2A USB output: 5V/2.4A Recommended nickel strip thickness: 0.1-0.12mm Product size: 160x9x2.5mm/6.3x0.35x0.1in Spot welding machine: 500g Color: Black, White Application: Suitable for 18650 batteries and other cylindrical lithium batteries, nickel-metal hydride batteries, nickel-cadmium batteries, etc. Can be welded firmly Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow slightly measuring deviation due to manual measurement. 1 X Spot Welding Machine 2 X Welding Pen 1 X English Manual 1 X Type-C Line 1 X 3 Meters Nickel Sheet