The BSL23C emergency LED driver works in conjunction with an AC LED driver that has an output current not to exceed 1.5 A, convert new or existing LED fixtures into emergency lighting. The emergency driver consists of a high-temperature nickel-cadmium battery, charger and electronic circuitry in one compact red case. The BSL23C can be used with an LED lighting load of up to 4.5 Watts at rated current of 410 mA for 90 minutes. If used in an emergency-only fixture, no AC driver is necessary. The BSL23 is suitable for indoor and damp locations and for sealed and gasketed fixtures, including fixtures rated for wet locations. The BSL23C is suitable for indoor and damp locations.