Specification Brand : AYNEFY BulletPoint1 : [EASY TO USE] - Offers both automatic touch welding mode and manual interface, providing flexibility for different welding needs. BulletPoint2 : [ACCURATE AND WELDING] - The single chip microcomputer controlled controller ensures output pulses for superior welding quality. BulletPoint3 : [LCD DISPLAY SCREEN] - Features a clear LCD screen that displays welding parameters for easy monitoring and adjustment. BulletPoint4 : [CONVENIENT AND DESIGN] - The U-shaped cold-pressed terminals allow for easy disassembly and replacement of the welding pen and input line. BulletPoint5 : [VERSATILE POWER SUPPLY OPTIONS] - Can be powered by either a lithium battery or a 12V car battery, offering convenience and adaptability. ExternallyAssignedProductIdentifier : 8460958051875 ItemName : Household Household Goods, Welder for Welding NickelPlated Steel Strips with LCD Screen, Energy Adjustable for Lithium Battery or Car Battery Portable Transistor DIY Mini Spot ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 17 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : spot-welding-equipment Manufacturer : AYNEFY ModelName : AYNEFYwyc92gztnf ModelNumber : AYNEFYwyc92gztnf PartNumber : AYNEFYwyc92gztnf ProductDescription : Spec: Item Type: Spot Welder Material: Metal Color: Red+Blue+Black Input Line Length: Approx.20cm / 7.87in Welding Pen Length: Approx.30cm / 11.81in Weight: Approx.210g/7.4oz Battery: lithium battery(Not Included) Quantity: 1 Set Instructions for use: 1: Power connection The controller comes with a 20cm long 10AWG input wire. One end has been crimped with a U-shaped terminal, and the other end has not been processed. Connect the crimped U-shaped terminal to the control power input terminal, and the other end is processed according to its own power supply. Do not connect the negative electrode wrong. 2: Switch on and off There is a power switch under the control board. After pressing, wait for 3 seconds. After the buzzer drops, the LCD lights up and the boot is complete. Press the power switch again to shut down. 3: Screen description and parameter adjustment. 4: Welding Keep the welding pin . If the welding pin is polished into a round head, the welding effect can be improved. There are manual and automatic methods. Battery Selection: 1: 12V car battery from 25 to 40ah, requires good performance and low internal resistance. 2: 4000 to 6000mAh 45C to 60C 3S model aircraft lithium battery. 3: 30 to 35ah ProductSiteLaunchDate : 2024-07-09T06:36:46.700Z UnitCount : 1