Short answer: There is no universal charging time for a USB-C rechargeable disposable vape. The port shape, a battery-capacity number such as 800 or 850 mAh, or an advertised puff count does not tell you the device’s exact charging rate. Follow the instructions for the specific model and its full-charge indicator.

Why charging time varies
Battery capacity, initial charge level, cable, power source and the device’s charging circuit all matter. Two devices with the same capacity can have different charge times. The earlier drafts gave conflicting 45–60 and 60–90 minute “averages” for the same 850 mAh label without model-specific measurements; those numbers were removed.
How to know when it is charged
Consult the manufacturer’s manual or packaging for that model’s screen or LED behavior. A light turning off, blinking or changing color can mean different things on different products. If the indicator is unclear, contact the manufacturer rather than assuming a universal color code. Unplug when the model’s instructions indicate completion.
Charging precautions
Use a suitable cable and power source according to the device instructions. Charge on a clean, flat surface away from bedding, and avoid unattended charging. If the device or cable becomes uncomfortably hot, leaks, swells or behaves unusually, stop charging when safe and do not keep using it. See the FDA’s battery precautions.
Frequently asked questions
Does USB-C guarantee fast charging?
No. The connector shape does not specify the device’s charge rate.
Can I calculate an exact time from mAh?
No. Capacity alone omits the device’s charging circuit and other factors.
Do all vapes show green when full?
No. Read the model-specific indicator instructions.
Nicotine is addictive. For adults of legal age only.