... , 3Aover-current, short-circuit etc. protection function.3. Two tranches of output, as follow(condition is connect to the ... switch again, output power 70%, average output voltage 5V; LED display green.C. Press again, if continue press for 2s, ... load, press switch, LED will display current battery electric quantity; release the button LED off.Power stallsLED indicate color/statesReference voltage(V)1Red ...