Your 
  
RE has a charging protection that may be enabled when you've used a non-qualified charger. 
 
If this happens, reset the charging protection. 
-  
Hold your 
  RE with the lens facing up. 
-  
Open the 
  microSD slot cover located at the bottom of your 
  RE. 
-  
Push the tip of a small bent paperclip onto the Reset button. You'll hear the startup sound. 
-  
Use a recommended charger when connecting your 
  RE to a power source.