Battery powered lighting appliance

A lighting apparatus, comprising:

• a mechanical interface for fastening the lighting appliance to a surface;
• an electrical contact that receives power from an external power source;
• first and second portable lighting device receiving regions, each of the first and second portable lighting device receiving regions configured to receive a portable lighting device;
• a first portable lighting device, including
• a first user interface that operates the first portable lighting device;
• a first battery receiving region;
• and
• a first light source that is powered by power supplied from the first battery receiving region when the external power is unavailable from the external power source;
• a second portable lighting device, including
• a second user interface that operates the second portable lighting device;
• a second battery receiving region;
• and
• a second light source that is powered by power supplied from the second battery receiving region when the external power is unavailable from the external power source;
• and
• a battery charger that charges portable lighting devices received in the first and the second portable lighting device receiving regions;
• a third light source;
• a third user interface;
• wherein the third user interface controls operation of the first, second, and third light sources when the first and second portable lighting devices are inserted into the first and second portable lighting device receiving regions, and the third user interface receives an input indicative of a first desired operation of the lighting apparatus when power is available from the external power source and a second desired operation of the lighting apparatus when power is not available from the external power source.

A desk lamp, comprising:

• a base;
• a portable lighting appliance receiving region;
• an arm pivotably coupled to and disposed between the base and the portable lighting appliance receiving region;
• a first portable lighting appliance that inserts into and electrically communicates with the portable lighting appliance receiving region, the first portable lighting appliance including:
• a first battery backed light source;
• a first battery receiving region;
• and
• a first user interface used to operate the first battery backed light source when the portable lighting appliance is removed from first portable appliance receiving region;
• an electrical contact that receives power from an external power source;
• a second user interface of the base that receives an input indicative of a first desired operation of the lighting apparatus when power is available from the external power source and a second desired operation of the lighting apparatus when power is not available from the external power source, wherein the second user interface controls the first portable lighting appliance when the first portable lighting appliance is inserted into the portable appliance receiving region.

A table lamp, comprising:

• a light source;
• a user interface used to operate the source;
• an electrical contact that receives power from an external power source, wherein the external power is used to illuminate the light source;
• a battery receiving tray, wherein the battery receiving tray slidably extends between a first closed position and a second open position for inserting and removing a battery in the battery receiving region;
• and
• a battery charger that uses the external power received by the electrical contact to charge the rechargeable battery inserted into the battery receiving region.

A reversible battery cartridge, comprising:

• a first region that receives a primary battery;
• a second region opposite the first region that receives a secondary battery;
• and
• first, second, and third electrical contacts, wherein the first and the second electrical contacts electrically communicates with the primary battery inserted in the first region and the second and third electrical contacts electrically communicates with the secondary battery inserted in the second region.

A nightlight, comprising:

• a light sensor;
• an electrical contact that receives power from an external power source;
• a portable lighting device receiving region;
• a portable lighting device;
• and
• a charging unit that charges a battery inserted in the portable lighting device when the portable lighting device is inserted into the portable lighting device receiving region and the external power from the external power source is available,
• wherein the portable lighting device, when inserted into the portable lighting device receiving region, illuminates using the external power from the external power source when the external power from the external power source is available based on sensed light, and is illuminated with power from the battery of the portable lighting device when the external power from the external power source is unavailable based on the sensed light.

A motion light, comprising:

• a light sensor that produces a first signal indicative of a state of light sensed by the light sensor;
• a motion sensor that produces a second signal indicative of a state of motion sensed by the motion sensor;
• a battery powered light source;
• a battery receiving region;
• wherein the battery powered light source is supplied with power from a battery received in the battery receiving region to illuminate the battery-powered light source based on both the first and the second signals.

A battery powered sconce lighting device, comprising:

• a mechanical interface for affixing the sconce lighting device to a wall;
• a portable light receiving region;
• a portable lighting device, including:
• a light source;
• a battery-receiving region for receiving a battery that supplies power to the light source;
• and
• an interface configured to receive a first input indicative of an operation of the portable lighting device.

An electrical appliance, comprising:

• a first wireless communication interface;
• electrical circuitry that controls the lighting apparatus,
• a portable lighting appliance receiving region;
• and
• a portable lighting appliance, including:
• a first auxiliary appliance, and
• a second wireless communication interface,
• wherein the electrical circuitry sends a control signal via the first wireless communication interface that is received by the second wireless communication interface, and the first auxiliary appliance operates based on the control signal.