20W Emergency kit for led downlight

Emergency battery pack is used for 3w to 30W led lights with external driver,such as LED panel light,led downlight etc. The battery is built-in the aluminium case which is good for installation and more safe to transportation.this model is accords with CE standard.emergency duration is more than 120mins.LED emergency battery pack support maintained and non-maintained operation.when main power is on,The led lights with emergency battery pack can turn on or off by switch.when power failures suddenly ,LED emergency power pack driver will take over and supply power to led lights automatically.