Spot welder can operate different types of batteries, such as 18650/21700, button cell, etc., and thin different materials, such as nickel-plated sheet, stainless steel sheet, and other materials.

Battery spot welder can repair different devices and replace batteries of different device, such as batteries of handheld electric drills, batteries of electric toothbrushes and other battery devices.

From the UI interface how to adjust the parameters and enter the background to set the language, brightness and other functions.