18650 Battery Spot Welder DIY Battery Spot Welder Welding Machine Mini Size For Domestic Repairs

characteristic:
1. Press and hold the spot welder for 3 seconds, the buzzer will sound once, and then it can be turned on / off. Low power hardware and software design. After turning off, the measured current is several microamps, so there is no need to worry that the spot welding machine will run out of power after long-term use, which will affect the service life of the power supply.
2. Press the button briefly to increase the gear by one. The gear can be stored when it is opened again. A total of six gear cycles.
3. The spot welder can automatically detect the welding pen. After touching the nickel plate for 0.8s, there was no manual / foot trigger or interval trigger. First class operation experience.
4. Special power management and software design of welding machine, do not reset welding process, gear does not return to zero. When the power changes, the solder joint may become weak, and the user can add gears at this time. Charging is recommended as soon as possible.
5. When charging, the power indicator will remind you in the form of breathing light, and when fully charged, the indicator will always be on. In order to prevent accidents during charging, welding function is not provided during charging.
6. With charging management control module. It can be charged through the mobile phone charging head (5V, output current at least 1a) equipped with USB charging cable.
7. Equipped with 50c high discharge rate power supply. When fully charged, the machine can weld hundreds of MM solder joints to weld ordinary nickel plated plates in the range of 0.1mm-0.15mm.