Tri-proof tube light Led emergency ballast 40W

Tri-proof tube light Led emergency ballast 40W This is a Led emergency light module 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 l Emergency time: 150mins l Material: PC+ABS Deep discharge protection, IC control Prevent overcharging and over discharging  WE CAN DO CUSTOMIZED BATTERY TO MATCH YOUR REQUIREMENT OF EMERGENCY TIME AND  REQUEST BATTERY TYPE. Comparing with the PVB bord with other supplier's emergency led driver with battery, it can clearly tell  from the picture below which isbetter SC…