Portable Mini DIY Spot Welding Machine 5 Gears Adjustable for 18650 Lithium Battery Support 0.1-0.15mm Nickel Sheet

Features:
Made of aluminum alloy material, fine structure, wear resistance and can provides long service time.
Support charge it while using, support stable welding 0.12mm nickel sheet, you can adjust to 5 gears to welding 0.15mm nickel sheet under full charge.
One button to use, long press to turn on/off the machine, short press to switch gears, totally 5 gears adjustable.
Equipped with USB interface for easy charge, very convenient.
The MOS tube will automatic output when the welding pen contact to the nickel sheet.
Equipped with indicator light, blue-on, charge-red, fully charge-green.
Automatic shut off to protect the battery under low voltage.
4 tubes design support 1200A, with redundant stable states.
Large power, compact size, lightweight and portable, support welding 18650/21700/32650 battery.
Built-in dual high-rate polymer power cells, provides high working efficiency.
Dual thicken pure copper strip, supperlow internal resistance to increase overcurrent capability.