Disposable vape, just three components but what it bugs me how does it know when it's empty. Led flashes when no juice is left but how? What makes led flash? Vape Pen Blinking 3 Times: How to Fix it Plus What it Means Flashing Disposable Vape: What It Means and How to Fix It? I TABlites Tablites How To Know If Disposable Vape Is Fully Charged EGreensVape Disposable vape, just three components but what it bugs me how does it know when it's empty. Led flashes when no juice is left but how? What makes led flash? Matej Barievi Facebook