In this article, you'll find a clear and simple diagram that breaks down the process step by step. You'll gain the confidence to connect your solar panel, battery, and inverter correctly, ensuring your system works efficiently. For solar installers, designers, and engineers, it acts as the technical roadmap for power flow, equipment connections, and utility tie-in. An inverter battery circuit diagram is a visual representation of the electrical connections and components of an inverter battery system. By. It requires various essential components, including inverters. ” The inverter's function is to change the DC output the solar panels have collected into an AC.