Emergency ballast for led lights 40W 

Emergency ballast for led lights 40W This is a led emergency light ballast for operating 3-40W LED tubes with internal driver or external driver in Full wattage power output when main power outage. The output forward voltage 220VDC makes this product range an ideal choice for driving most LED modules from mains lighting available in the market today. It is suitable for converting existing light fittings to emergency operation. MAIN FEATUERS l Emergency Wattage: 3-40W l Battery Pack: 11.1V lithium ion 4400mAh/ 11.1V 5200mAh/11.1V 2200mAh l Emergency time: 150mins l Material: PC+ABS Deep discharge protection, IC control Prevent overcharging and over discharging  This driver powers the LED from the mains when the power is on and continues to recharge the battery that is built into it. In the event that the primary sources fail for whatever reason, the LED emergency driver instantly switches the power supply to the ba…