... Class V energy efficiency standard of green power.Our products have passed UL CUL,FCC,GS,CE,CCC,PSE,SAA,EK,KC ... standardscULus (ITE UL60950 )TUV/GS(ITE EN60950 )CE, CB,VDE,UL,FCC,CCC(ITE GB4943)SAA,PSE,KCModelVoltage (volt)Current (ampere ... from 0.1A to 4A AA:outer plug 5W Car Charger