This LED panel emergency kit is a half power output emergency driver. LED emergency driver kit accords with TUV CB CE EMC certificate standard,it is working with for all 3-40W LED lamps with external driver. In the event of a power outage, this emergency backup battery driver can provide more 120 and 180 minutes of emergency lighting to connected LED luminaires after being charged for 24 hours this LED emergency driver emergency output power is 4W. LED emergency light kit can make LED lights work normally when power failures suddenly Parameter Model:FAT-LED-F1A tc Material:ABS+Aluminum Power:3-40W size:130*60*22mm Battery:li-ion 18650 3.7V 2400mAH Input voltage:85-265V Emergency power:4W Emergency time:>120mins Passed: TUV CB EMC Application 3-40W LED lights with external driver