Touchscreen control - No Knobs Digitial Energy Control - Precise control of energy output Multiple weld speed control - 1-5 Welds per second White Glove Customer Service The Orion 150s boasts a power potential of up to 150 joules of pulse-arc weld energy. While powerful, the 150s is perfect for low power needs as well—yielding as little as 1 joule of energy. Whether an application requires high power welding needs or intricate, precise welds around precious components, the Orion 150s offers a versatile, compact, and affordable welding system in an easy-to-use package.