Lincoln Electric SP250 is a capacitor bank designed to provide additional power for high-power welding equipment, such as arc welders and resistance welders. It can also be used to improve the power factor of a welding system, which can reduce energy costs. The SP250 has a capacitance of 250 microfarads and a voltage rating of 480 volts. It is designed for use in industrial applications and is built to withstand the harsh conditions of a welding shop. The SP250 comes with a 5-year warranty.