An aerosol provision device includes: a power source and control circuitry. The control circuitry is configured to cause the power source to supply electrical current in accordance with a set duty cycle to an aerosol generator so as to maintain a substantially constant average power, wherein the duty cycle is set dependent on the temperature of the aerosol generator; and wherein the control circuitry is configured to determine a voltage supplied by the power source.

An aerosol provision device includes: a power source and control circuitry. The control circuitry is configured to cause the power source to supply electrical current in accordance with a set duty cycle to an aerosol generator so as to maintain a substantially constant average power, wherein the duty cycle is set dependent on the temperature of the aerosol generator; and wherein the control circuitry is configured to determine a voltage supplied by the power source.

An aerosol-generating device is disclosed. The aerosol-generating device includes a container having a first passage; a container head, which is disposed on the container and has a first outlet at a bottom surface to communicate with the first passage; a mouthpiece, which is pivotably connected to the container head and has a second passage; and a sealing cap projecting outwards from the mouthpiece, wherein the sealing cap closes the first outlet when the mouthpiece is pivoted to a first position, and the sealing cap opens the first outlet to allow the first outlet to communicate with the second passage when the mouthpiece is pivoted to a second position.

An aerosol-generating device is disclosed. The aerosol-generating device includes a container having a first passage; a container head, which is disposed on the container and has a first outlet at a bottom surface to communicate with the first passage; a mouthpiece, which is pivotably connected to the container head and has a second passage; and a sealing cap projecting outwards from the mouthpiece, wherein the sealing cap closes the first outlet when the mouthpiece is pivoted to a first position, and the sealing cap opens the first outlet to allow the first outlet to communicate with the second passage when the mouthpiece is pivoted to a second position.

A vaporization device includes a first portion and a second portion. The first portion includes a first body defining a first interior volume, a first half of a split-pod, a second half of a split-pod, an opening, a first heating apparatus, and a second heating apparatus. The first half of the split-pod is configured to hold a nicotine-containing liquid. The second half of the split-pod is configured to hold a non-nicotine-containing liquid. The opening separates the first half from the second half of the split-pod. The first heating apparatus is dedicated to the first half. The second heating apparatus is dedicated to the second half. The second portion includes a second body defining a second interior volume and a computing system. The computing system is disposed within the second interior volume. The computing system is configured to vary an amount of current supplied to the first and second heating apparatuses.

A vaporization device includes a first portion and a second portion. The first portion includes a first body defining a first interior volume, a first half of a split-pod, a second half of a split-pod, an opening, a first heating apparatus, and a second heating apparatus. The first half of the split-pod is configured to hold a nicotine-containing liquid. The second half of the split-pod is configured to hold a non-nicotine-containing liquid. The opening separates the first half from the second half of the split-pod. The first heating apparatus is dedicated to the first half. The second heating apparatus is dedicated to the second half. The second portion includes a second body defining a second interior volume and a computing system. The computing system is disposed within the second interior volume. The computing system is configured to vary an amount of current supplied to the first and second heating apparatuses.

An electronic vapor provision system includes a vaporizer for vaporizing liquid for inhalation by a user of the electronic vapor provision system; a power supply for supplying power to the vaporizer to vaporize the liquid in response to a user activation of the device; and a control unit configured to estimate a user's expected activation duration and cause power to be supplied to the vaporizer for a period of time shorter than a user's activation duration.

An electronic vapor provision system includes a vaporizer for vaporizing liquid for inhalation by a user of the electronic vapor provision system; a power supply for supplying power to the vaporizer to vaporize the liquid in response to a user activation of the device; and a control unit configured to estimate a user's expected activation duration and cause power to be supplied to the vaporizer for a period of time shorter than a user's activation duration.

A control device of an aerosol generating device includes a main control unit, and is connectable to a battery and a heater coil. The main control unit is configured to carry out one or more execution loops, a first execution loop includes applying a first power output to the heater coil for a first number of steps, disabling the first power output and thereby switching off the heater coil in a second number of steps, measuring a first heater coil voltage of the heater coil in a third number of steps, pausing with the heater coil switched off for a fourth number of steps, and measuring a first off-load battery voltage of the battery in a fifth number of steps. The main control unit is further configured to calculate an updated power output based upon the first heater coil voltage and first off-load battery voltage.

A charging system for charging a vaporizer device is described. The charger may be adapted to control the output voltage to the vaporizer device, thus improving charging efficiency and reducing waste heat generation. Related systems, methods, and articles of manufacture are also described.