How do I know when I need to charge Tanrevel ONE and for how long?
Before your first use of Tanrevel ONE, the machine should be charged for 3-4 hours.
The led indcatior shows blue when it is charging, once the blue light turns off its fully charged. It flashes green when it needs to be re-charged.
This takes about 2-4 hours depending on which adapter your using. If you feel that the pressure is weak, it might be time to charge the machine again
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