An electrical component (100) includes: (a) an electrical charge storage component (110) comprising one or more first power connectors (211); (b) a first power component (130) capable of outputting alternating current to a first electrical device and comprising one or more second power connectors (412);...http://www.google.co.uk/patents/US7626356?utm_source=gb-gplus-sharePatent US7626356 - Modular power supply comprising an AC module, DC module and an electric charge storage module
