·Application of led constant power supply emergency driver LED constant power supply emergency drivers are an ideal choice for applications where reliable lighting is critical, such as in hospitals, schools, and other public buildings. Automatic shutdown of output if LED Ioad is out of range, Deep discharge protection, Short-circuit-proof battery connection, Open-circuit-proof, Polarity reversal protection for battery Rated supply voltage 220~240VAC 4-year guarantee (battery 2-year guarantee) For LED module with a forward voltage of 20-90VDC Constant power output,output current self-adjustable LiFePO4 with longer life Build-in Emergency converter EEC70 is SELV output voltage&nbs…