AN EMERGENCY DRIVER FOR SUPPLYING EMERGENCY LIGHTING MEANS

The invention relates to an emergency driver for supplying emergency lighting means, wherein the emergency driver is configured to be powered, during operation of the emergency lighting means, selectively from: a local battery associated to the emergency driver; or a DC network supplying DC power to DC terminals of the driver, wherein the emergency driver comprises a first circuitry configured to charge the local battery with DC power supplied to the DC terminals, and a second circuitry configured to drive the emergency lighting means from the local battery or the DC power supplied to the DC terminals.