LED battery backup lamp

An LED lamp comprising:

• a housing having an endcap, an optical portion, and a plurality of components located within the housing, the plurality of components including:
• an LED light source having a plurality of LED segments and a reconfiguration circuit;
• the reconfiguration circuit configured to route electrical connections among the plurality of LED segments from between a serial mode to a parallel mode of connection;
• an LED driver circuit configured to provide power to the LED light source;
• a line sense circuit configured to detect at least one of a presence and an absence of an AC line voltage;
• a rechargeable battery connected to a boost driver circuit, the rechargeable battery and the boost driver circuit configured to provide electrical power to the LED light source in the absence of the AC line voltage;
• and
• a control processor in communication with one or more other of the plurality of components across a data/control bus, the control processor executing executable instructions that cause the control processor to at least one of monitor and control the one or more other of the plurality of components.