Electronic ballast It can work in the range of 77V-277V,high quality components are adopted. 1.The power waste is low,saving 80% energy.2.Adopt high quality semiconductor electronic component,make highly use of the energy,long life span is average about 20000Hrs.3.High power factor,Low THD ,the electronic ballast can work steadily when the voltage range varies from 77V-277V.4.The electronic ...