Patent ID: 8756753

Claim:
A cordless upright vacuum cleaner, comprising: a nozzle base portion having a suction inlet; a body portion; a pivotable joint coupled between the nozzle base portion and the body portion; a suction source for providing a suction force at the suction inlet; and a battery pack interface configured to receive a removable and rechargeable lithium-based battery pack, the battery pack interface including a battery pack recess, a first power terminal and a second power terminal, the vacuum cleaner configured to receive power from the battery pack over the first power terminal and the second power terminal, a communication terminal, the vacuum cleaner configured to communicatively connect to the battery pack over the communication terminal, the battery pack including a battery pack housing, a portion of the battery pack housing being insertable into the battery pack recess, the battery pack being selectively removably coupled to the vacuum cleaner, wherein the suction source is powered by the battery pack, the body portion is pivotable relative to a first axis, the body portion is pivotable relative to a second axis, and the body portion is supportable by the nozzle base portion in a vertical position without external support.