Mini spot welder with output is suitable for welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet quickly. Portable and lightweight, space-saving in home, easy to carry outside.Easy to operate, one key turn on or off. 6 gears of output 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 various welding needs.5300mAh -capacity lithium rechargeable battery, low consumption, long usage time when full charged. And it can also be used as bank to charge your phone conveniently.Made of high quality ABS and PCB, features great durability and stable performance, has long service life. Advanced management and software design, non-reset and non-zero during welding.Product name: portable mini spot welderMaterial: ABS+metalColour: BlackSpecification: 5300 mah for single batteryOutput : 6 Levels AdjustableBattery type: rechargeable polymer lithium batteryBattery capacity: 5300mahInput parameters: 5V/2AInput interface: round holeOutput voltage: 4.2V (MAX)Output current: 550A (MAX)Design current: 1000A (MAX)Applicable nickel sheet thickness: 0.1-0.15mmProduct size: 140 x 81 x 40 (mm)Package Contents:1 x spot welder1 x nickel plate1 x charging wire1 x heat shrink tubeOnly 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.