Check how long you've been using 
		HTC One E9+ since the last charge. 
	 
You can also see a chart that shows how long the screen has been on, and how long you've been using connections like the mobile network or 
	 Wi-Fi. 
  
 
	 -  
		  From the 
				Home screen, tap 
				. 
			  
		
-  
		  Tap 
			 History to view battery usage over time.