Natures Generator Portable 1800-Watt Solar Generator - Gold Kit provides free portable AC power without unwanted sound, odors or fuel. The system consists of a battery pack that stores electrical energy, state-of-the-art electronics that convert 12-Volt to normal, everyday household electricity for easy, user friendly power storage. Features smart phone ready application for easy diagnostic and power input and output readings. Features the ability to start as a portable system and expand to meet almost any power requirements.