Abstract: Mechanisms for light management include a light emitting diode (LED) light bulb. The LED light bulb includes multiple light emitting diodes (LEDs) configured for illumination in the LED light bulb and includes a battery. A base is configured to fit a standard socket designed for an incandescent light bulb, and the base is configured to operatively connect to an electrical power source. A module is operative to detect a residual voltage of the power source when a control for powering the LED light bulb is powered off. The module is configured to determine that a power outage occurred and operative to switch to battery power from the battery in response to not detecting the residual voltage of the power source.

Abstract: A beacon for use at transportation hubs, such as airports, heliports, and marine vessels and for marking aviation obstructions. The beacon is modular in design and has a substantially cylindrical housing that includes a bottom portion, a window and a top portion, sealed by gaskets. The beacon is configured for outdoor use and is explosion-proof or, at least, explosion-resistant. The housing defines a cavity that abuts the window. A reflector and a light source, such as a light emitting diode (LED) or an array of LEDs, are mounted in the cavity of the housing. The beacon includes a control unit with a GPS transceiver unit and another control inlet/outlet. Using the control unit, the beacon can operate individually or in a coordinated manner with other beacons.

Abstract: An emergency lighting system includes a plurality of emergency lights and a plurality of emergency power systems. Each of the plurality of emergency power systems is electrically connected to a respective one of the plurality of emergency lights through a respective one of a plurality of power switches. The emergency lighting system also includes a plurality of processors. Each of the plurality of processors is electrically connected to a respective one of the plurality of emergency power systems and executes software that monitors a status of a respective one of the emergency power systems and controls a state of the plurality of power switches. The emergency lighting system also includes a plurality of radio transceivers. Each of the plurality of radio transceivers is electrically connected to a respective one of the plurality of processors and communicates with other radio transceivers in the plurality of radio transceivers that are in radio wave proximity.

Abstract: A backup ballast used with a primary ballast for providing power to one or more lamps. The backup ballast includes an output switch and a delay circuit. The output switch has a first operating mode for connecting a primary power source via the primary ballast to a first set of the lamps and second operating mode for connecting a backup power source with a second set of the lamps. The output switch operates in the first operating mode when it is energized and in the second operating mode when said it is not energized. The delay circuit is adapted for connecting to the primary power source for receiving power therefrom. The delay circuit is connected to the output switch for energizing it while the power is being received and for a delay period thereafter. The delay circuit includes an energy-storage component for storing energy while the power is being received and discharging the stored energy when the power is not being received in order to energize the output switch for the delay period.

Abstract: The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition on the input voltage and generating a brownout signal, a switch mode power converter for altering the input voltage; and an emergency lighting control and battery charging component for controlling the charging of a battery pack and receiving the brownout signal. Another aspect of the invention is a method of providing emergency lighting performed by receiving an input voltage; automatically establishing a brownout threshold relative to the input voltage; and detecting a brownout condition.

Abstract: The present invention provides a light emitting diode LED module with a time-delay lighting function, having an LED light-emitting unit on the power input circuit. The power input circuit for the LED light-emitting unit is connected with main power supply, backup power supply and backup power controller. The backup power supply and LED light-emitting unit are connected in parallel. At least two circuits are formed at the output end of the main power supply, one of which is connected with LED light-emitting unit for power supply and lighting purpose, and the other one of which is connected with the backup power supply via the backup power controller, allowing for charging/discharging of the backup power supply.

Abstract: A lighting system comprising a light source, a fiber rope into which light emitted from the light source is coupled, and a control unit for controlling the optical power of light emitted by the light source to maintain the fiber rope at or below a predetermined upper temperature even if the fiber is partially or fully severed.

Abstract: A ballast for driving one or more lamps includes a controller and a current reduction circuit for accelerating a controller reset. Upon detecting a fault, the controller disables the ballast for a preset period of time, and resets. The controller additionally resets when the ratio of a supplied second value to a supplied first value falls below a threshold value. The current reduction circuit reduces the supplied second value in less than the preset period of time, such that the ratio falls below the threshold value and the controller resets. An emergency lighting system includes the ballast as a primary ballast, a backup ballast, and a primary power source. The controller detects a fault if the primary power source de-energizes and the backup ballast disconnects the one or more lamps from the primary ballast. The current reduction circuit accelerates the reset of the controller when the primary power source de-energizes.

Abstract: Lighting is controlled by receiving an input signal, determining whether the input signal is an AC signal or a DC signal and generating a dimming command signal based on the determination of whether the input signal is an AC signal or a DC signal. For example, determining whether the input signal is an AC signal or a DC signal may include generating an average signal indicative of an average duty cycle of the input signal and determining whether the average signal meets a predetermined criterion.

Abstract: This invention relates to an illumination device of gradual dimming after power interruption in which a built-in power storage unit and a gradual-dimming light intensity drive control unit are provided within the lamp body, the light emitting source of the illumination device being normally lightened by city power, the built-in power storage unit being charged by the city power simultaneously. When city power is interrupted, the power is switched to be supplied with the power coming from the built-in power storage unit and the gradual-dimming light intensity drive control unit is activated to control the gradual dimming of light intensity of the light emitting source. In this manner, the effect of energy saving and extension of illumination time can be obtained such that eyes of people can adapt to the light intensity change. In addition, the illumination device is safe and is convenient in use without any indoor wiring change or additional member added.

Abstract: A wireless convenience lighting system, comprises a base unit, the base unit connectable to an AC power supply, the base unit having a transmitter structure emitting at least one signal indicating one of an AC power loss or the AC power on, a remote lighting unit having a light source, and auxiliary power supply and a receiver structure, the receiver structure receiving the signal from the base unit, the base unit wirelessly activating the light source of the remote lighting unit when the AC power is lost.

Abstract: The current invention for LED power failure light device which has 1st LED or LEDs element(s) powered by its power source as night light and 2nd LED or LEDs element(s) powered by non-rechargeable batteries as emergency light incorporate with multiple selections switch to change the 1st and 2nd element(s) LEDs for LED numbers, power consumption, blinking, on/off duration % of each cycle, colors of night light, LED sequential type and other extra function. 1st element(s) power source may be from USB means or Prong means. Also, teach the power saving and cost saving LED light device.

Abstract: A detect method is provided for performing step dimming selection in an electronic ballast including an End of Lamp Life detect circuit and a half-bridge inverter, the End of Lamp Life detect circuit being connected to an input terminal of the control circuit, wherein each time when the power switch is turned on, it is judged whether the electronic ballast should enter the dimming mode or not by detecting the voltage at the input terminal of the control circuit before the half-bridge inverter starts operating.

Abstract: The present invention relates to an LED emergency light installed in a lamp receptacle. The LED emergency light includes a light source unit (30), in which LEDs are mounted on a PCB. In a housing (10), a threaded receptacle coupling unit (11) is provided, and the light source unit is installed. A power connection unit (20) includes switching means (21), connected to the threaded receptacle coupling unit to automatically supply power from a primary cell (40) to the light source unit at a time of a power failure, and ON/OFF control means (25), configured to limit and adjust a time for which current the primary cell flows through the light source unit. The primary cell is electrically connected to the power connection unit and the light source unit, and turns on the LEDs by supplying power to the light source unit at a time of power failure.

Abstract: A pathway indicating luminaire for use in an auxiliary lighting system contains at least one source of primary light and at least one light emitting diode. A switching system provides energy from a storage cell to the light emitting diode upon certain conditions, generally by time or by lack of ambient light.

Abstract: The present invention relates to an emergency lighting system comprising one or more first lighting elements and a power supply/charging unit that is incorporated in a host lighting fixture having one or more second lighting elements such as an HID, incandescent or fluorescent lamp. Optionally, a heating element can be provided that allows operation of the system in temperatures too low for operation of conventional emergency lighting systems.

Abstract: A ballast (e.g. a fluorescent light ballast) includes a primary ballast for powering the lamp from a power supply (e.g., utility line power) and an battery powered ballast for powering the lamp from a battery when the primary power supply is not energized by the power supply. When power supply power is restored to the ballast, the ballast shuts down the battery powered ballast and a switch circuit operably connects the lamp to the primary ballast. The ballast toggles the switch circuit such that the primary ballast detects replacement of a lamp and resets any fault detection or protection circuits (e.g., an end of lamp life circuit) that may have been triggered during the transition from battery power to power from the power supply.

Abstract: Chromaticity of light output by a light-emitting diode, such as a light-emitting diode (LED), is adjusted while maintaining a brightness of the illumination source substantially constant by adjusting a drive schema for the illumination source. A driver for LEDs or other light-emitting diodes provides for varying a drive schema to adjust chromaticity of driven LEDs.

Abstract: An emergency lighting system comprising an electrical panel board comprising a two-pole switched breaker with one pole controlled using an Emergency Remote Operated Relay. Each of the poles of the circuit breaker is fed by a single phase. The controlled pole feeds normal power to the lighting ballast operating under normal conditions. The non-controlled pole feeds constant power to at least one battery which provides back-up power to the light(s) in an emergency/power failed condition. The Emergency Remote Operated Relay further comprises a two pole circuit breaker (BQD 2P) with one of the poles connected to a Remote Operated Relay that is remotely controllable.

Abstract: A power outage socket device that may be installed on a variety of lamps or light fixtures. The bottom of the device has a male connector adapted to be inserted into the light socket on the lamp or light fixture, in place of the light bulb. A female socket adapted to receive the light bulb is located on the top of the device. The male connector may be recessed. When power is interrupted, emergency power is provided to one or more emergency light sources on the device to provide light. Emergency power is provided by one or more batteries, which may be rechargeable. The device also may include means for connecting a lamp harp, or for allowing a lamp harp to pass through the device. A photoelectric light sensor may be used to detect ambient light and control whether emergency light is provided when normal power is interrupted.

Abstract: An emergency lighting system comprising an electrical panel board comprising a phase layout comprising a plurality of consecutively arranged phases wherein a pair of consecutive phases are of the same phase, a 2-pole branch circuit breaker electrically connected to the pair of consecutive phases that are of the same phase, and a 1-pole remotely-operated-relay electrically connected to one pole of the 2-pole branch circuit breaker. The emergency lighting system further comprises an emergency lighting fixture comprising a normal power input electrically connected to the load side of the 1-pole remotely-operated-relay such that the normal power input is connected to one phase of the plurality of phases, an emergency power input electrically connected to the load side of the 2-pole branch circuit breaker such that the emergency power input is electrically connected to the two consecutive phases of the same phase.

Abstract: A light device includes a nightlight unit adapted to operate in an automatic mode, an on mode, or an off mode; an illumination unit comprising a sensor, the illumination unit being removably secured to the nightlight unit; and a charging unit for charging the illumination unit. The lighting unit is adapted to come on automatically by operating in the automatic mode, continuously emit light by operating in the on mode, or stop emitting light by operating in the off mode. The illumination unit is adapted to come on automatically to emit light either when the sensor senses an activating condition in the form of an absence of AC or after removing from the nightlight unit. The sensor is adapted to disable the illumination unit either when sensing a termination of the activating condition or after placing the illumination unit in the nightlight unit and electrically connecting thereto.

Abstract: A method for activation of an electrical device, for example, in case of power loss. The method may include sensing an effect associated with activity of the electrical device, detecting an electrical power interruption, and activating the electrical device if a change in the effect of the device is sensed in proximity to the power interruption. The invention also provides an activation circuit for activation of an electrical device. The activation circuit may include a device operation detector for sensing an effect associated with activity of the electrical device, a power supply detector for detecting an electrical power interruption, and a driver for activating the electrical device if a change in operation of the device if the change is sensed in proximity to the power interruption.

Abstract: A lighting device including a test device for testing the proper operation of a primary and a secondary power supply alternatively providing electrical power to the light. The test device is attached to a bracket using a single fastener such as a nut and the bracket is attached to a receptacle for the light using a different single fastener, such as a pop-rivet or screw.

Abstract: A portable rechargeable lantern capable of use in an explosive environment includes light emitting diode light source, fault tolerant circuitry, a rechargeable battery and a charging circuit that receives power from an external charger via an induction coil. Formed within a sealed housing, the induction coil charging system eliminates external metal contacts, thereby eliminating a potential ignition source during charging operations. Fault tolerant circuitry and a cool-running light emitting diode light source eliminate potential ignition sources due to breakage or fault conditions. Mating surfaces between the lantern and its charger cradle facilitate aligning the charging induction coils.

Abstract: A backup ballast used with a primary ballast for providing power to one or more lamps. The backup ballast includes an output switch and a delay circuit. The output switch has a first operating mode for connecting a primary power source via the primary ballast to a first set of the lamps and second operating mode for connecting a backup power source with a second set of the lamps. The output switch operates in the first operating mode when it is energized and in the second operating mode when said it is not energized. The delay circuit is adapted for connecting to the primary power source for receiving power therefrom. The delay circuit is connected to the output switch for energizing it while the power is being received and for a delay period thereafter. The delay circuit includes an energy-storage component for storing energy while the power is being received and discharging the stored energy when the power is not being received in order to energize the output switch for the delay period.

Abstract: An apparatus and method adapted to detect a failure in at least one lamphead of an emergency lighting system includes a signal generator and a failure sensor. The lamphead receives power from a power connection. The signal generator generates a monitoring signal having a voltage, which is operatively coupled to the power connection. The failure sensor detects a failure in the lamphead and modifies the voltage of the monitoring signal. The emergency lighting system may also include a plurality of lampheads. In this case, the failure sensor may detect a failure in at least one of the lampheads, and identify which of the plurality of lampheads has failed. The failure sensor may also be adapted to reduce the voltage of the monitoring signal in response to detection of the failure.

Abstract: A combination luminaire and path of egress lighting includes a lamp housing and one or more auxiliary lamps. The lamp housing includes an electrical enclosure, a lamp mounting area and a lamp cover. A primary light source is positioned within and coupled to the lamp housing. The auxiliary lamps are coupled to and extend out from the exterior of the lamp housing. Each auxiliary lamp typically include a base plate, a stem member, and a task lamp housing. The base plate is coupled to the exterior of the lamp housing. The stem rotatably coupled on one end to the base plate and along the other end to the task lamp housing. By rotatably coupling auxiliary lamp along each end of the stem member, the task lamp housing has a large range of adjustability so that it can be aimed towards paths of egress after the luminaire is installed.

Abstract: A method of electronic ballast protection including providing an electronic ballast having an AC/DC converter 104 with an electronic ballast input and a mains voltage connection 103 connectable to a mains voltage 102, an inverter 120 operably connected to the AC/DC converter 104 and having an electronic ballast output 125 connectable to a lamp 124, a control circuit 116 controlling the inverter 120, and a low voltage power supply 114 providing low voltage power to the control circuit 116; supplying power to the low voltage power supply 114 from the electronic ballast input when the mains voltage connection 103 is wired to mains voltage 102; and disconnecting the power to the low voltage power supply 114 when the electronic ballast output 125 is wired to the mains voltage 102.

Abstract: The present invention relates to a lamp tube suitable for a desk lamp. The lamp tube includes a lamp cover, a light-emitting module, a base, a power-storage element and a power transmission module. The lamp tube is half-cylindrical and has a inner surface and a containing recess. The inner surface is capable of being fixed with the light-emitting module and the containing recess is capable of containing the power-storage element. The power transmission module is electrically connected to the power-storage element and the light-emitting module to transmit the power in the power-storage element to the light-emitting module. The present invention is also relates to a desk lamp having the lamp tube.

Abstract: A hybrid lamp assembly according to the present invention comprises several different primary components, specifically, a lamp, lamp housing, and controller. The lamp may be powered by either of two different alternative power sources, a solar panel and grid power, and a combination of power from the solar panel and the grid power. An indicator lamp houses two LEDs that indicate the status of the lamp and which power sources are providing current to the lamp, and the relative amount of current being supplied. The hybrid lamp assembly may optionally include an emergency backup battery system to power the lamp when no grid power is available.

Abstract: An aircraft emergency lighting system including: a plurality of units having communication devices arranged to communicate wirelessly with a master controller, wherein each unit is wired to a common power supply for powering the unit in a first mode of operation and has its own back-up battery power supply for powering the unit in a second mode of operation, and wherein the device is provided for off-load testing the back-up battery power supply of each unit and indicating if the unit is operational.

Abstract: The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition on the input voltage and generating a brownout signal, a switch mode power converter for altering the input voltage; and an emergency lighting control and battery charging component for controlling the charging of a battery pack and receiving the brownout signal. Another aspect of the invention is a method of providing emergency lighting performed by receiving an input voltage; automatically establishing a brownout threshold relative to the input voltage; and detecting a brownout condition.

Abstract: A battery operated LED lighting apparatus including: a battery outputting a battery voltage; a light emitting diode or array of light emitting diodes; and a power supply including a boost regulating circuit. The power supply being in communication with the battery and the light emitting diodes such that a constant voltage or constant current is supplied to the light emitting diodes as the battery discharges and the battery voltage falls below the output voltage. In a preferred embodiment the power supply further includes a buck regulator to maintain the proper output voltage when the battery voltage is greater than the output voltage.

Abstract: A compact emergency lighting system installed or preinstalled into a standard component of a building, comprising: at least one tiny and high flux luminary, such as a LED, which is installed on at least one side of the standard building component and powered by a battery backing up and charging unit coupling with an AC power supply. It is relatively simple in configuration, low in cost, easy to install, more durable, space-saving, causing minimal disruption to the outlook and design of the premises and provides with an extended operation time and reduced recharging time.

Abstract: A controlling device of a multifunctional lamp, which includes: a spare power supply circuit; a controller connectable to an external power supply circuit and the spare power supply circuit; and a voltage modulation module connected between the controller and a powered end equipment. According to the control of a user and according to whether the external power supply circuit normally supplies power, the controller can automatically judge and choose the power source. The controller includes a central processing unit and a rectifying module connected to the external power supply circuit for respectively sending rectified power to the spare power supply circuit and the voltage modulation module. The central processing unit serves to control the voltage modulation module to or not to supply power for the powered end equipment. The controller is also electrically connectable to an emergency detection system to achieve an emergency detection function.

Abstract: A lighting apparatus includes an electrical contact that receives power from an external power source, a battery receiving region, and a battery backed light source. A user interface receives an input indicative of a first desired operation of the lighting apparatus when power is available from the AC power source and a second desired operation of the battery backed light source in the absence of power from the AC power source. Electrical circuitry uses battery power to operate the battery backed light source in the absence of power from the AC power source based on the second desired operation.

Abstract: A lamp includes a light source, a power tool battery for providing a DC voltage level, and a base for housing the power tool battery. A stem is coupled to the base and supports the light source. A power inverter converts the DC voltage level to an AC voltage level, and a current sensing circuit operatively coupled to the converter or the inverter senses an over-current condition when the converter or the inverter draws more than a predetermined amount of current. The converter or inverter is disabled if the over-current condition continues for more than a predetermined amount of time so that the light source receives the AC voltage level and is illuminated for the predetermined amount of time before power is removed.

Abstract: Emergency signs and combination emergency signs and emergency lights wherein the combination signs are compact for shipment and are energy efficient using first interior light emitting diodes, powered by an AC power source, for illumination of messages formed in at least one side wall of the emergency signs and having at least one emergency light emitting diode lamp for providing emergency lighting in the event of AC power failure and wherein the at least one emergency light emitting diode lamp, in some embodiments, is selectively deployable and adjustable relative to the signs, and in others, is fixedly mounted relative to the signs.

Abstract: The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition on the input voltage and generating a brownout signal, a switch mode power converter for altering the input voltage; and an emergency lighting control and battery charging component for controlling the charging of a battery pack and receiving the brownout signal. Another aspect of the invention is a method of providing emergency lighting performed by receiving an input voltage; automatically establishing a brownout threshold relative to the input voltage; and detecting a brownout condition.

Abstract: An emergency lighting structure is disclosed. The lighting structure employs high brightness LED as light source supply and dry cells are used to provide current during emergency. A plug is secured to a socket and when AC is interrupted, a current detection unit detects the interruption to trigger the power of the dry cells. When the dry cells are exhausted, a capacitance detection unit detects the status of current supply to trigger flashing which is controlled by a flash control unit.

Abstract: A light unit that includes an internal power supply that may be used in the event of an external power failure to provide power to the light unit. In one aspect, the present disclosure provides a lighting apparatus, comprising (a) a power input configured to receive external power from an external power source; (b) a solid state light element that is interconnected to the power input; and (c) a back-up power source that is interconnected to the solid state light element and the power input and that provides power to the solid state light element when the light element is not provided with power from the power input.

Abstract: A lighting device including: a power management module connected with and processing alternating-current power and outputting direct-current power; a light source driving module receiving and processing a portion of the direct-current power and outputting a light source driving signal; a first lighting unit receiving the light source driving signal and illuminating a light source; a sensing unit sensing the light source driving signal intensity; a lighting module receiving a portion of the direct-current power output by the power management module, processing the received direct-current power, outputting a direct-current power signal, storing the direct-current power signal through a power storage control function, processing the stored direct-current power signal by means of a power storage control unit whenever the sensing unit senses that the light source driving module does not output the light source driving signal, and outputting a lighting light source driving signal to a second lighting unit for illum

Abstract: The present invention is to provide an emergency light comprising a housing, a matrix shaped LED light module, a charging module, and a power cord having one end extending out of the housing for connecting to an AC source and the other end electrically connected to the charging module and the matrix shaped LED light module respectively. Power of the AC source is either fed to the charging module for charging the charging module via the power cord or fed to the matrix shaped LED light module for illuminating a predetermined area with high-intensity light. Due to the low power consumption characteristic of the matrix shaped LED light module, the emergency light has the ability of consuming a minimum amount of energy in illumination and prolonging the time period of illumination while no electrical current is supplied to the emergency light.

Abstract: A ballast (e.g. a fluorescent light ballast) includes a primary ballast for powering the lamp from a power supply (e.g., utility line power) and an battery powered ballast for powering the lamp from a battery when the primary power supply is not energized by the power supply. When power supply power is restored to the ballast, the ballast shuts down the battery powered ballast and a switch circuit operably connects the lamp to the primary ballast. The ballast toggles the switch circuit such that the primary ballast detects replacement of a lamp and resets any fault detection or protection circuits (e.g., an end of lamp life circuit) that may have been triggered during the transition from battery power to power from the power supply.

Abstract: The invention provides a method for economical emergency activation of an electrical device, the method comprising sensing an effect associated with activity of the electrical device, detecting an electrical power interruption and activating the electrical device during the electrical power interruption, in case decrease in the effect is sensed in time proximity to the power interruption. The invention also provides an activation circuit for economical emergency activation of an electrical device, the activation circuit comprising a detector for sensing an effect associated with activity of the electrical device, a voltage detector for detecting an electrical power interruption and a driver for activating the electrical device during the electrical power interruption, in case decrease in the effect is sensed from before the electrical power interruption until after the beginning of the electrical power interruption.

Abstract: An emergency lighting with an electrical illuminant (DL1, DL2, DL3), which, as a power supply drops below a predeterminable value, can be connected to an energy source that can be charged from the power supply by means of a charging connection, for example, by means of an electronic switch (T1), where the energy source consists of at least one high-capacity storage condenser (CS; CS1, CS2) and where light-emitting diodes can be provided as illuminants.

Abstract: An LED based emergency lighting system is described. Unlike a typical approach in which one lighting system provides normal ambient lighting and a second different system provides auxiliary emergency lighting, a common integrated system can be satisfactorily employed.

Abstract: A low-pressure mercury vapor discharge lamp is operable in a first mode of operation (“normal mode”) and a second mode of operation (“emergency operation”). The discharge lamp comprises a discharge vessel (10) enclosing a discharge space (13) provided with a filling of mercury and an inert gas. The discharge vessel comprises electrodes (5;6) for maintaining a discharge in the discharge space while the discharge lamp operates in the first mode of operation. According to the invention, at least one of the electrodes is operated on a DC or AC power supply for drawing a discharge current (D1;D2) over the electrode while the discharge lamp operates in the second mode of operation. Preferably, both electrodes operate on a DC or AC power supply, preferably a battery, while the discharge lamp operates in the second mode of operation. The low-pressure mercury vapor discharge lamps operated according to the invention have a relatively long life.

Abstract: An emergency lighting system comprising a housing further comprising a flat cover, wherein the flat cover automatically opens during an emergency condition; a removable light source located inside the housing further comprising a rechargeable battery and a wide angle LED light bulb, wherein the removable light source remains off under a normal condition and the light source automatically turns on in response to an emergency condition. The emergency lighting system may further comprise a fixed light source for continuous illumination during an emergency condition. Furthermore, the emergency lighting system may further comprise an electrical outlet for use during normal conditions.