LED Indicator When charging will little by little pulsate by way of different colours because the battery cost will increase. When absolutely charged the green gentle will remain continuously lit. I'm an engineer and Specialized Author by trade. My journey in vaping began around 2016, in the days of Twister https://explorebookmarks.com/story18923872/lost-vape-ub-lite-things-to-know-before-you-buy