In this complete guide, you'll discover exactly how to calculate your watt-hour needs, match solar panels to your battery, choose the right inverter power, compare Lipower models against top competitors, avoid common buying mistakes, and use a proven pre-purchase. . In this complete guide, you'll discover exactly how to calculate your watt-hour needs, match solar panels to your battery, choose the right inverter power, compare Lipower models against top competitors, avoid common buying mistakes, and use a proven pre-purchase. . An inverter is one of the most important pieces of equipment in a solar energy system. It's a device that converts direct current (DC) electricity, which is what a solar panel generates, to alternating current (AC) electricity, which the electrical grid uses. In DC, electricity is maintained at. . CNET experts have compared the most popular solar inverters' specs, warranties, prices and more. The SolarEdge Home Wave Inverter is our top pick in 2025. It was the most efficient inverter we looked at, letting you use a larger percentage of the energy your solar panels generate. By the end, you'll know. . Continuous vs Peak Wattage: What Does the Inverter Do? What Are Watt-Hours (Wh), and Why Do They Matter? Think of watt-hours like the size of a gas tank in a car. The bigger the tank, the longer you can drive before needing to refill. In portable power stations, watt-hours (Wh) tell you how much. . Have an account? Log in to check out faster. Learn how solar panels and power inverters work together: sizing rules, surge vs continuous watts, series/parallel wiring, and a simple worksheet for faster setup.