Patent ID: 7092746

Claim:
A battery pack for a mobile communication device, comprising: a cell having a flattened cross section and two flattened ends; a sheath covering the cell except for the two flattened ends; a printed circuit board covering one of the two flattened ends; a hot melt plastic terminal plate covering the printed circuit board in which the plastic terminal plate adheres the printed circuit board to the one of the two flattened ends, the hot melt plastic terminal plate having a bottom center notch to serve in preventing an improper battery pack from fitting into a battery pack receptacle of the mobile handheld communication device and a second notch in a top corner to cooperate with a feature in the battery pack receptacle of the mobile communication device; and a hot melt plastic non-terminal plate covering an other of the two flattened ends through hot melt adhesion, the non-terminal plate having a guide rail protruding from the non-terminal plate for supporting a flange in the lid, wherein the notch is used to uniquely identify the battery pack from other battery packs that are not compatible with the mobile communication device; and the notch, the second notch and the guide rail collaboratively cooperate with the battery pack receptacle and the lid to align the battery pack in at least two directions in a transverse plane of the device within the receptacle when the battery is properly inserted into the receptacle and the lid is properly placed on top of the receptacle.