Application: railways,electric utility,oilfield,metallurgy,army,public security, underwater and job site for mobile lighting. technical parameters: mark of explosion-proof:Ex dll CT6 degree of protection:IP68(100 meters) numberitemsunitvalue1rated voltageV3.72rated capacityAh4.43bulbwork powerV3.7currenthigh lightmilliampere680work light300fluxhigh lightlumen160work light80h>=1000004discharging ...