Charging Indicator Light Indicator
The most intuitive way to tell if your e-cigarette is fully charged is by looking at the indicator light! The light will flash during charging; once it becomes solid, it means the battery is fully charged! Just like charging your phone, the flashing light eventually turns solid, indicating a full charge.
Charging Time and Status
Generally, an e-cigarette takes about an hour to fully charge. The device will also display a percentage of the battery level while charging, showing the number increasing.
Brand Differences
Of course, different brands of e-cigarettes may have different methods for determining when they are fully charged. For example, with IQOS e-cigarettes, you need to charge the case for 45 minutes first, then insert the e-cigarette itself. After about 5 minutes, the e-cigarette will be fully charged!
