Description: The welder has a compact size, light weight and portable design, you can easily put it in your pocket and carry it with you. It is easy to use, excellent workmanship with stable performance can ensure a long service life. With low power consumption, you don't have to worry about running out of battery when setting aside. There are 6 adjustable output power gears, 1-6-1 circulates, making the welding more accurate. The auto-detection function will kick in when the nickel sheet welding pen is used, and the response time is only 0.8s. Advanced power management and software design does not reset and return to zero during welding. With the built-in charging control unit, you can easily charge your phone with a USB cable. Equipped with a high-frequency rechargeable battery, which can continuously weld thousands of points on 0.1-0.15mm nickle sheet when fully charged. , Copper wire rod with 10AWG multi silicone wire and humanized long sleeve is safe to use. Made of high-quality plastic and metal material, it is durable to use. The product is 14cm long, 8cm wide and 4cm high. The nickel sheet is 100cm long and 0.1cm thick, the length of spot welding is 30cm. Handheld spot welding machine is mainly used for welding batteries such as 18650. Item Name: SpotwelderMaterial: Plastic, MetalBatteries: 1 x 5500mAh Battery (Included))Output Voltage: 3.7VGroarity: 0.1mm-