AC/DC power supplies; Battery charge devices; Chargers for electric batteries; Charging appliances for rechargeable equipment; DC/AC power converters; Electric wires and cables; Inverters for power supply; Photovoltaic cells; Photovoltaic inverters; Power controllers; Power supplies; Power supply connectors and adaptors for use with portable electronic devices; Renewable battery system to provide backup power; Voltage stabilizing power supply; Electric battery systems comprised of batteries, inverters, electrical controllers for power management, and electrical connectors for use in the storage, supply, transmission, and stabilization of electricity supplied by and to an electric power grid and other sources of electric power generation.