1.Capacity:≥4500 mAh                      
     2.Charging Voltage =5V; The Charging Current can reach 800mA.                   
     3.Output Voltage=5V, An Output Current ≥1000mAh                                 
     4. MCU control circuit, work stability, short circuit, battery discharge protection                                       
     5.One button multi funciton : check the battery power, turn on/off the power bank and LED flashlight.
      6.4 LED lights show the power left.
      7.LED flashlight function.