An inverter is an electrical device that converts direct current (DC) from a battery or solar panel into alternating current (AC), which most building systems and appliances use. In the context of central lighting systems, an inverter serves as a lifeline during a power outage, instantly providing backup power to emergency lights, exit signs, and critical illumination without the flic... https://medium.com/@history202600/providing-reliability-how-inverters-from-essential-power-products-maintain-the-lights-5ef00bb116d1