Abstract: A battery housing including a cover that has one or more semi-rigid legs depending outwardly therefrom, and the battery housing also including a battery tray for selectively receiving one or more batteries and one or more flexible circuits. The battery tray has one or more fixtures that provide access to at least one battery and at least one flexible circuit such that the flexible circuit can be spot-welded to the battery, and each fixture is placed about the battery tray whereby each of the one or more legs of the cover snap-fits into a fixture and such action preferably affixes the cover to the battery tray to form the battery housing.

Abstract: A battery pack which provides for the making of internal connections within the battery pack includes a plurality of apertures (206) having battery pack contacts (204) in register with the apertures (206) and are located on top of corresponding metal tabs (104). The invention allows for a welding tip to be passed through the aperture (206) in order to weld the battery pack contacts (204) to their corresponding metal tabs (104). Once welded the apertures (206) can be sealed by preferably placing a battery label over the apertures (206).