Patent ID: 8015988

Claim:
An outdoor umbrella, comprising: an umbrella awning; an umbrella frame comprising a supporting shaft and an awning frame suspendedly supported by said supporting shaft and coupled with said umbrella awning for defining a shading area thereunder; an electrical arrangement supported at said umbrella frame for providing an additional umbrella function, wherein said electrical arrangement comprises an electrical device coupled with said awning frame and an electrical terminal extended from said electrical device to said supporting shaft in a pre-wiring manner; and a rechargeable power source, comprising: a rechargeable battery unit having a power outlet for electrically connecting with an external power source in charging manner, and a battery terminal arranged to contact with said electrical terminal of said electrical arrangement; and a locking arrangement which contains a locker slot provided at a housing positioned on said supporting shaft of said umbrella frame at a hand reachable distance and a releasable locker extended from said rechargeable battery unit to detachably couple said rechargeable battery unit with said umbrella frame and to ensure said battery terminal being contact with said electrical terminal so as to electrically connect said rechargeable battery unit with said electrical arrangement.