This emergency ballast for led lights is a conversion kit remote box for operating 3-70W LED luminaires in emergency mode. The conversion kit is suitable for converting existing light fittings to emergency operation. *UPDATE DESIGN ALL OUR EMERGENCY LIGHTING BATTERY PACK ARE BEING IMPROVED USING LIFEPO4 LITHIUM-ION BATTERIES, CONSIDERED THE LONGEST LASTING AND SAFEST BATTERIES AVAILABLE 1. This NA01-H70-W3 have been improved to use Premium Lithium batteries (LiFePO4) - compared to lead acid batteries - offer significant advantages: Safety and stability: In case of hazardous events, such ascollision or short-circuiting, this type of batteries doesn’t explode or catch fire, significantly reducing any chance of harm. It can reach 350°C to 500°C. It will be longest lasting and safety available for working. 2. Match wide range of LED lamp from 3w to 70w, Emergency time more than 3 hours 3. CB, CE, SAA Approved 4. Deep discharge protection, IC control Prevent overc…