... current: DC 5.0V, 500ma-1000ma. 3.USB slot Mobile Phone USB Travel ChargerSunqt International Trading (HK) Co.,LTDPerfect power ... conversion efficiency, fast start and convenient for your electronic products.3 Multiple protection circuit for low voltage, over voltage, overloads, ... -24V. Output voltage: 5.0V, 500ma-1000maUnite light display when power on.LED change to green colorVoltage constant circuit ...