1,8 steps output voltage 2,High-current output 4.5A max. 3,High capacity 50Wh laptop battery 4, ... 1.DC OUT 2. USB OUT 5.DC OUT Voltage:5V,6V,7.5V,9V,12V,14V,16V,19V 6 ... USB OUT current:2A( constant ) ; 2.5A( Max)11.Input Charging Voltage:8~20V 12.Charging Time:About 3h 13.Charging ... power for your device:Please check loading device demand voltage/current before connected the DC OUT port ofMP3450D. It ...