A modular power converter including a first housing enclosing a converter circuit, and a selectively detachable second housing enclosing a retractable power cable. In a first orientation the detachable second housing is secured to the first housing to form a unitary housing. In a second orientation,...http://www.google.com/patents/US20050117376?utm_source=gb-gplus-sharePatent US20050117376 - Power converter with retractable cable system