5V 2.1A 3USB Power Bank Charging Module Circuit Board Step Up Boost Power Supply Module

With a torch LED lamp (long press power button to turn ON or OFF)Module has multiple safety circuits
Output voltage and current is stable, to protect USB devices during charging
Module has protection from overcharge,overdischarge,short circuit and no need to worry about the time of charging
Battery Level Display:4 blue LED light to display capacity, in non-operating state, intelligent power off