Abstract: The Idi is an energy device that can be plugged into a wall receptacle. The Idi uniquely uses a grid-tied inverter and a power inverter to convert rechargeable batteries or dc sources to ac power. When the grid voltage is on the grid-tied inverter supplements the power consumption when the Idi is plugged into a wall receptacle. However, when the grid voltage drops to zero the grid-tied inverter turns off. Hence the battery and load relay connections are the switched to the power inverter. Thus, making the Idi the main power supply for a load.