USB port ac charger 1,Two-year warranty. 2,Good quality and competitive price. 3,Customer design is available . USB port ac chargerElectric performanceOutput ... , full load 25°Cl Insulation resistance 500Vdc 100MΩmin between AC plug and DC plug and case.Packingone pcs in a ... (white paper box,standard carton,)and customized package USB port ac charger