Juul FAQs and Troubleshooting Common Questions Answered How To Tell If A Juul Is Charging How Do You Know When The Juul Is Fully Charged How Long Does It Take a JUUL The Smoking Alternative, unlike any E Cigarette or Vape Juul Blinks Green 3 Times When Charging How To Tell If Juul Is Charging JUUL How Do You Know When Juul Is Fully Charged How to fix the Juul if it's not hitting