Feature:1. Versatility in Welding: This product has 11 adjustable power settings and dual pulse output and provides precise and robust welds on nickel strips ranging from 0.1 to 0.3 mm thick. Suitable for various applications, from mobilephone battery repairs to general electronics assembly tasks.2. Intuitive Operation & Safety Features: The 1.33-inch color LCD screen provides a clear overview of all operational states, and the intuitive interface simplifies the welding process for a more convenient experience. Enhanced with multi-protective functions, including voltage stabilization, low-temperature, overheat, overcharge, and over-discharge protections, it prioritizes user safety and equipment longevity.3. Efficient Power Management: Powered by a 2200mAh lithium-polymer battery, this product delivers high output with low power consumption. Capable of welding a maximum of 1500 spots at one time, minimizing downtime and reducing the frequency of recharging. The timed shutdown function conserves power, improving usability and safety.4. Compact Design & User Convenience: Its lightweight and portable size makes it easy to handle and transport. Supports switch between manual and automatic modes. The automatic welding operation is simple and convenient, ensures strong welds, and produces solid weld points.5. Adaptability & Wide Application: The welding machine is designed for both experienced technicians and DIY enthusiasts. Suitable for welding common nickel strips, button cells, cylindrical cells, and mobilephone batteries, it offers versatility in tackling multiple welding scenarios.Specification:Name: Welding MachineMaterial: aluminum alloyBattery: 1 * 2200mAh lithium polymer battery (included)Power settings adjustment: 11 levelsCharging interface: Type-CCharging parameters: 5V, 1ANickel plating steel sheet thickness: 0.1-0.3mmItem size: 186 * 44 * 21mm / 7.32 * 1.73 * 0.83inItem weight: 160g / 5.64ouncePackage size: 216 * 62 * 23mm / 8.50 * 2.44 * 0.91inPackage weight: 212g / 7.49ounce Package List:Packing List:1 * Welding Machine1 * Nickle Sheet1 * Guideline