BATTERY COMPARTMENT ADAPTER CAP HOUSING RECHARGEABLE BATTERY AND DEVICE EQUIPPED THEREWITH

摘要

A signaling device comprising an emission module operative on the application of battery power from a rechargeable battery for the emission of a signal from at least one electromagnetic radiation emitting element, a battery compartment and a cap for housing the rechargeable battery and covering an opening of said battery compartment. The cap includes circuitry for charging the battery and a socket for receiving an external power input.