The exact amount of time you can use it depends on the strength of your inhalation and the regularity of your smoking. We can only give an approximate time frame based on moderate vaping.
Yuoto 5 - 5 to 10 days.
Yuoto XXL - 10 to 15 days.
Yuoto Luscious and Yuoto Switch - 15 to 20 days, possibly more.
They differ from each other in the number of puffs and battery capacity. As standard, the batteries are charged and can function for a longer period than the above timescales.