EMERGENCY LIGHTING UNIT WITH AC POWER CHARGING

An emergency unit () is provided, comprising input terminals (I, I) for supplying the emergency unit () with AC power, a battery charging unit () designed for charging a battery unit () of the emergency unit () by using the AC power, a DC/DC converter (), supplied by the battery unit () and designed to provide DC power to DC power output terminals (O, O) designed for supplying power to emergency lighting means (EL), a control unit () designed for being supplied with a signal indicating the state of the AC power and for outputting commands to the battery charging unit () and to the DC/DC converter (). The control unit () can assume a state (S) in which it causes the DC/DC converter () to provide DC power based on the battery unit and at the same time start the operation of the battery charging unit ().