Feature: 2-in-1 spot welding pen - a handheld spot welder that eliminates the need for an additional spot welding pen. It's easy to take with you and go anywhere. It combines a built-in power supply and a soldering pen into one, making it easy to weld without the need for an external soldering pen. Wide range of applications Suitable for 18650/26650/36650 and other cylindrical batteries, mobile phone batteries, and electronic devices that require batteries. Spot welders can be used on electronic equipment that has been damaged due to battery damage, and can be restored to use by replacing the battery (similar to a handheld electric drill), saving money and protecting the environment. 90 adjustable positions The spot welder is equipped with 90 gears and adjustable output power, which can be adjusted according to the materials you are spot welding. It can spot weld more than 1500 times on one charge. Round LCD Color Screen - The spot welder has a 1.3-inch LCD display. The UI display presents functions in a circular dial, making the round shape easier to distinguish. There is a protective film that may cause scratches. Please remove the protective film. better protection The spot welding machine has a high-density aluminum alloy shell with excellent heat dissipation. Provides overcharge protection, temperature protection, short circuit protection, and low power consumption indication. In addition, the spot welder will automatically shut down for 6 minutes after operation, allowing you to use it without any worries. Multiple protection measures Although it is a mini handheld spot welder, it has a high-quality polymer battery, overcharge protection, temperature protection, short circuit protection, abnormal battery temperature alarm and spot welding function shutdown, low battery voltage and ultra-low power consumption, large power consumption, and standby It takes longer and can be charged via the Type-c5v2a port (high voltage is strictly prohibited). parameter: Product name: Battery spot welding machine Model type: H2 Equipment settings: 90 levels adjustable Spot welding method: automatic/manual gear Product size: 43*25*192mm Input interface: Type-C Input parameters: 5v/1A (MAX) Output voltage: 4.2V (maximum) Output current: 650A (maximum) Working temperature: -1060℃ Charging temperature: 0-60℃ Package Included: Handheld spot welding machine*1 2 meters nickel plate*1 1 piece of dry sandpaper*1 Type-c charging cable*1 User manual * 1