Battery Spot Welder.Portable Spot Welder 11 Gears Adjustable Handheld Spot Welding Machine Digital Display DIY for 18650 Battery Features: 1.Precision Power: With 11 adjustable power settings, this battery spot welder guarantees meticulous welding, superior outcomes, and extended lifespan. Tailor the power to the task at hand for precise control and exceptional welding results, ensuring that each job is completed with the utmost accuracy. 2.Mode Versatility: Seamlessly transition between automatic and manual modes to suit any welding requirement. Whether you're working on mobile phone batteries or various common nickel strips and batteries, this portable spot welder caters to both novice and expert welders with its versatile functionality. 3.Robust Output: Designed for strength, the handheld spot welding machine supports nickel strips ranging from 0.1 to 0.25 mm, delivering powerful output for consistent, high-quality welds. The automatic welding feature simplifies the process, ensuring solid joints and superior weld spots every time. 4.Intuitive Display: This mini spot welding machine equipped with a 1.33-inch color LCD, all operational statuses are displayed clearly, making it easy to monitor and adjust settings. The user-friendly interface simplifies operation, providing a more convenient welding experience. 5.Safety & Endurance: Featuring voltage regulation, low-temperature, overheating, overcharging, and over-discharge protections, this energy storage spot welding machine is built for safety. A temperature control sensor activates safety measures in case of overheating, while the powerful lithium polymer battery powers up to 1500 welds per charge, minimizing the need for frequent recharging. The adjustable auto-sleep function further conserves energy and prolongs battery life. Specification: Origin: Mainland China LCD Display: Displays Power, Settings, Delay, Voltage, Mode And Internal Temperature. Continuous Spot Welding Mode: Supported Power Setting Adjustment: 11 Levels Battery Type: Lithium Polymer Battery Battery Capacity: 2200mAh Design Current: 600a (Maximum) Input Interface: Type-C Input Parameters: 5V/1A Nickel Strip Thickness: 0.1-0.25mm Casing Material: ABS Size: About 186.00x44.00x20.00mm/7.32x1.73x0.79inch Safety Precautions: 1. Please read the instruction manual carefully before using this product. 2. Once metal contact is detected, the welding head will be output and can be lifted for the next welding. 3. Make sure the welding surface is rust-free, clean and flat. Keep the nickel strip clean and flat. Press the spot welder correctly to ensure good contact between the welding needle, nickel strip and battery, and avoid hanging or poor contact to obtain the best welding effect. Different nickel strip thickness and power settings are not always associated with better results; users can experiment to find the most suitable settings. 4. Only Type-C chargers (5V/1A) can be used; do not exceed 5V. Simultaneous charging and use of the product are not supported. 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 1-2cm measuring deviation due to manual measurement. 1*Spot Welding Machine 1*0.12mm Nickel-Plated Nickel Strip 1*Sandpaper 1*Instruction Manual