DIY Spot Welding Machine for 18650 Battery Handheld Spot Welding Pen 80Gear Output Power Adjustable Weld Machine Accessory Tools    Features:   80 power adjustable, welding more accurate effect, 5000mAh large capacity, longer use time  Dual mode selectable, automatic and manual switching mode, can weld cell phone batteries, support welding all kinds of common to nickel cell phone batteries plus the characteristics of portable, more convenient to go out to repair cell phones  Double pulse output, more accurate welding, one-handed operation, one-handed grip, convenient operation and use, the advantages of the integrated, you can free a hand for holding nickel or fixed battery  Support the thickness of 0.1-0.15mm nickel sheet welding, full charge state support 0.2mm nickel sheet welding, intelligent identification, automatic welding operation, simple and convenient, support stainless steel sheet, stainless steel sheet welding, welding solid, excellent welding joints  High-definition LCD display, power lithium battery, the maximum output current up to 1200A  Safety protection, low voltage / overcurrent / overcharge protection, applicable to 18650 and other cylindrical lithium batteries, NiMH batteries, cadmium-nickel batteries, etc. can be, welding solid.    Specifications:   Name: portable handheld spot welder  LCD display: power / gear / time delay / voltage / mode  Gear adjustment: 80 gears  Battery type: lithium polymer battery  Battery capacity: 5000mAh  Design current: 800A(MAX)  Input interface: Type-c  Input parameter:5V/2.1A  Nickel band thickness:0.1-0.2mm  Product size:251*58*25mm  Welding method:Visualize the welding head, hold it at 60° from the horizontal, and press the two pins on the surface of the nickel sheet at the same time    Spot Welding Machine Operation Guide:   1. Please read the manual carefully after you get the product  2. Press and hold the on/off switch, 6 minutes without any operation will automatically shut down the machine.  3.Support nickel sheet thickness 0.1-0.2mm  4. After power on, the product is automatic welding mode  5. When the welding head detects contact with metal, it can output once, and then can weld next time after lifting  6. Make sure the welding surface of the battery is free of rust and corrosion, clean and flat  7. Make sure the nickel sheet is clean and flat  8. Set the spot welder, press properly to make good contact between the welding needle and nickel sheet, nickel sheet and battery, no overhang and no poor contact, you can weld well. Different nickel thickness, using different gears not the more power the better the effect, users can try which gear is more suitable.  9. Using Type-c charger charging, 5V input (higher voltage input is strictly prohibited) using 5V/2A charger. This product supports charging while using.    Package Included:   1X spot welder  1XType-c charging cable  1X Nickel chip