User Manual Q&AAnswer
Jan 09, 2025 - 12:07 AM
When the lighter is plugged in to charge, the blue LED indicator light will turn off once it is fully charged. This indicates that the battery is fully charged and the lighter is ready for use.
Source: "How do you know when it’s fully charged? When I leave it plugged in to charge, the blue LED turns off once it's done." (User Manual)
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