Rechargeable electrochemical cell pack having resistance to impact and vibration

摘要

A rechargeable electrochemical cell pack is provided having improved resistance to impact and vibration. The cell pack includes a plurality of rechargeable electrochemical cells integrally combined with a cell pack casing. A casing cover is provided having a plurality of interior cover lug projections selectively positioned for registration with the individual electrochemical cell top covers. The casing cover is united to the individual cells and to the casing base by a sonic welding procedure.