1. Electronic cigarette power supply device
  
    
      1.1: Perspective
  
    
      1.2: Perspective
  
    
      1.3: Front
  
    
      1.4: Back
  
    
      1.5: Left
  
    
      1.6: Right
  
    
      1.7: Top
  
    
      1.8: Bottom
  The present design relates to an electronic cigarette power supply device; reproduction 1.1is a top perspective view of the electronic cigarette power supply device constituting the present design; reproduction 1.2is a bottom perspective view thereof; reproduction 1.3is a front view thereof; reproduction 1.4is a rear view thereof; reproduction 1.5is a left side view thereof; reproduction 1.6is a right side view thereof; reproduction 1.7is a top view thereof; and reproduction 1.8is a bottom view thereof.