When performing a precise weld, you can use the pedal control to obtain a more precise operation. It suitable for various sizes of battery pack, button battery and protection board. Item Name: Spotwelder Material: Alloy Model: 737G Plug: US Plug Input Voltage: AC 110V Maximum Power: 1.5KW Welding Current: 50A - 800A Welding Thickness: 0.05 - 0.15mm Welding Pressure: 200 - 700g 1 Pulse Welding: 0.05 - 0.12mm 2 Pulse Welding: 0.12 - 0.15mm Batteries: 18650/14500 Battery Features: Dual Pulse, Pedal Control, Adjustable Pressure Size: 24.5cm x 20cm x 14cm/9.65" x 7.87" x 5.51 Approx.Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Spotwelder 1 x Foot Pedal Control 1 x Battery Holder 4 x Welding Needle 1 x Hex Wrench 2 x Fuse Tube 30 x 0.1 x 4 x 100mm Nickel Plated 30 x 0.15 x 5 x 100mm Nickel Plated. We care about our valued customers, and will always try our best to help you, if you have any problems.