This spot Welding Machine with a compact size that you can carry along, and has 2 modes you can choose-automatic and manual, and it's able to solder most types of items, for example, battery, motor, Solar cell, wire, cable, etc. Widely used in auto parts, electronics, electrical appliances, motors, refrigeration equipment, hardware products, batteries, solar energy, transportation equipment, toys and other industries. Features: [Wide Usage Range] The Spot Welding Machine can apply to various items such as a cylindrical lithium battery, a nickel-hydrogen battery, cadmium nickel battery, and cables for a motor. It can be used in the home to install your electric appliance or RC models. [Variety Voltage Range] There is a wide range of input voltage you can choose 10V to 14V. We recommended a 12V 400-800CCA automobile battery,3S 500mAh minimum 60C lithium battery to support the product. [Automatic Modes & Manual Modes] SW1 intelligently switches between automatic and manual working mode, enters the main menu page, easy for you to use in different workplaces, enters the main menu page. [OLED Screen] Showing clear data, and you can check the parameters by knowing the status of SW1 in real-time. Specification: Model: SQ-SW1 Material: 304 Stainless Steel, ABS Input Voltage: 10-14V Trigger Delay: 0.5-3s Pulse Time: 1-100ms (default),1-500ms (setting) Short Pulse: 0-100% Warning: Low/High Voltage Welding Thickness: 0.1-0.3mm Screen Flipping: 180° Work Model: Automatic/Manual Power Supply Interface: XT90 Recommended Battery: Lithium battery(3S 5000mAh minimum 60C) Car battery (12V 400-800CCA) Size: 110 x 93 x 45 mm Weight: 642g Package List: 1 x Spot Welding Machine 1 x Welding Pen 1 x Nickel Stripe 1 x Foot Pedal 2 x Solder Pin (Installed) 2 x Battery Holder