Emergency LED panel light is a type of LED panel light which can still working even the grid electricity outage , Loevet emergency led panel light can either powered by DC12V 5000mah ( or 3000 mah ) NI-MH battery or AC110V/ 230V grid power, during normal working, it will lighting under AC power, in case grid power outage, control unit in Loevet emergency led panel light will automatically supply DC12V power for the emergency led panel light within 2 seconds, so that your workplace will still keep bright up to 1.5 – 2 hours.