Electric power equipment , comprising: a battery tray defining a battery receiving recess having an open upper end, the battery receiving recess having a first end and a second end remote from the first end; a battery configured to be removably received in the battery receiving recess, the battery having a first end and a second end corresponding to the first end and the second end of the battery receiving recess, respectively; a pair of guide rails provided on a bottom surface of the battery receiving recess and extending from the first end to the second end of the battery receiving recess in a mutually spaced apart relationship; a pair of guided members provided on a lower surface of the battery and laterally spaced from each other so as to be engaged by a section of the respective guide rails as the second end of the battery is slid from an intermediate part of the bottom surface of the battery receiving recess to the second end of the battery receiving recess; a battery side connector provided in the second end of the battery; and a power equipment side connector provided in the second end of the battery receiving recess, and configured to be electrically connected to the battery side connector when the second end of the battery is pushed against the second end of the battery receiving recess; wherein the section of the guide rails are configured to guide the guided members so as to laterally align the battery with respect to the battery receiving recess as the battery is displaced toward the second end of the battery recess, characterized in that the power equipment side connector is supported by the battery tray so as to be laterally moveable. a battery tray defining a battery receiving recess having an open upper end, the battery receiving recess having a first end and a second end remote from the first end; a battery configured to be removably received in the battery receiving recess, the battery having a first end and a second end corresponding to the first end and the second end of the battery receiving recess, respectively; a pair of guide rails provided on a bottom surface of the battery receiving recess and extending from the first end to the second end of the battery receiving recess in a mutually spaced apart relationship; a pair of guided members provided on a lower surface of the battery and laterally spaced from each other so as to be engaged by a section of the respective guide rails as the second end of the battery is slid from an intermediate part of the bottom surface of the battery receiving recess to the second end of the battery receiving recess; a battery side connector provided in the second end of the battery; and a power equipment side connector provided in the second end of the battery receiving recess, and configured to be electrically connected to the battery side connector when the second end of the battery is pushed against the second end of the battery receiving recess; wherein the section of the guide rails are configured to guide the guided members so as to laterally align the battery with respect to the battery receiving recess as the battery is displaced toward the second end of the battery recess, characterized in that the power equipment side connector is supported by the battery tray so as to be laterally moveable. <EOS>