Abstract: A vacuum cleaner with a battery unit for powering the vacuum cleaner is provided. The battery unit includes a plurality of serially connected battery cells and battery management electronics operatively coupled to the battery cells. Two enclosures are provided on either side of a central axis of the vacuum cleaner, each enclosure including a portion of the plurality of battery cells, and a portion of the battery management electronics operatively coupled to the respective portion of the plurality of the battery cells. A link strap interconnects the portions of the battery management electronics.

Abstract: An autonomous surface cleaning apparatus includes a body defining a generally planar front surface, a drive system carried by the body and configured to move the autonomous surface cleaning apparatus across a surface, a cleaning assembly disposed at a front of the body, a rechargeable battery system, and charging contacts disposed on the front surface of the body. The apparatus further includes a receptacle configured to receive dirt collected by the cleaning assembly, the receptacle being releasably attached to the body, wherein the apparatus is arranged such that, when the receptacle is attached to the body, the receptacle is at least partially disposed within a rearward facing recess defined by the body.

Abstract: A cleaner head including: a brushbar arrangement including a first elongate portion, and a first curved portion located at a first end of the first elongate portion. The brushbar arrangement at least partially extends around a suction region. The cleaner head further includes a drive assembly configured to rotate the first curved portion and the first elongate portion.

Abstract: A cleaner head including suction chamber having a suction opening; an agitator including a hollow body and supported the suction chamber by a support member, the support member having a first end that is fixed to a side wall of the suction chamber,and second end that free and over which the hollow body of the agitator can be slideably received; and a drive assembly forming part of the support member, and arranged to rotate the agitator about an axis. The fixed end of the support member is pivotal fixed to the side all of the suctionchamber such that the free end of the support member, together with the agitator supported thereon, can be pivoted to protrude out frome suction opening, to allow the agitator o be removed and replaced.