Adapter plugs; Batteries and battery chargers; Battery chargers; Battery leads; Converters for electric plugs; Covers for electric outlets; Electric sockets; Electrical header connectors; Electrical outlets; Plastic guard for covering wall switches; Power connectors; Power switches; Rechargeable electric batteries; Renewable battery system to provide backup power; Uninterruptible electrical power supplies; USB charging ports; USB charging ports for use in vehicles; Voltage stabilizing power s...