5V 6 Speed Adjustable :The welder can be adjusted to 6 different speeds, making it versatile for welding tasks. 18650 Li-ion Battery :The welder uses a 18650 Li-ion battery, which is rechargeable and provides a longer welding time compared to traditional batteries. Small Portable Handheld :The welder is compact and , making it easy to carry around and use on-the-go. DIY Storage Mini Touch Welder :The welder is designed for DIY enthusiasts who want to perform small welding tasks on their own. No working while charging, otherwise the spot welder not work properly !!!! This mini spot welder is suitable for welding nickel sheet and lithium battery easily and quickly. It is applicable to repair, home DIY and more welding needs. Perfect Household or Outdoor Portable Spot Welder! Mini spot welder with large output power is suitable for welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet quickly. Portable and , space-saving in home, easy to carry outside. Easy to operate, one key turn on or off. 6 gears of output power adjustable, freely switching according to practical needs. Applicable to home use, DIY, maintenance, etc. 2 mobile welding pens are made of 10AWG silicone wire and copper rod, and it comes with 2 protective sleeves. The welding pens allow long welding range and can meet welding needs. 5300mAh large-capacity lithium rechargeable battery, low power consumption, long usage time when full . And it can also be used as power bank to charge your phone conveniently. Instructions: 1. Long the switch for 2 seconds to turn on/off. 2. Short to switch gears(1-6 gears optional). 3. In power-on state, the green LED flashes several times to indicate several gears 4. The green light flashes when charging,always on when it is full. Note: After arrival can not be used, may be the power is too low, resulting in the spot welder does not work, the charging light does not light up, and does not turn on, (at this time charging 1-2 hours, the voltage rises can be restored) after a full charge, only then show Oh, use 5v 1A charger. If it is fully , it light up 1. If you have a multimeter, you can measure the voltage at the OUT+ OUT- port Here is the remaining battery power 2. Full charge is about 4.15V 3.3V below is low voltage Battery: 5300mAh 18650 Li-ion rechargeable battery Output Power: 6 speed adjustable, 30 amp max Welding Pen: 10AWG silicone wire and copper rod, with protective sleeves Size: Compact and portable, easy to carry Usage: Ideal for DIY enthusiasts and projects Welder For Sale At Low Dual Pulse Spot Welder 30 Amp Welder Versatile and Efficient Performance User-Friendly Design and Accessories Long-Lasting Performance and Convenience It's DIY kits, needs to finish by yourself. Color: As Shown Material: Metal+Plastic Package Contents: 1 * spot welding machine with spot welding pen 2 * spot welding pen holder 1 * nickel sheet 1 * USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.