Device and method for diffusing volatile substances

A device for diffusing volatile substances, comprising:

• a container for said volatile substances;
• a diffuser configured to diffuse said volatile substances;
• at least one battery configured to supply energy to said diffuser;
• and
• a controller configured to detect data from at least one of components of the device and determine a period of time during which said at least one battery supplies energy to said diffuser according to said data,
• wherein the controller is configured to measure an energy level of the battery, and adjust a level of the energy supplied to the diffuser from said at least one battery according to the measured energy level of the battery, and
• wherein the diffuser keeps diffusing said volatile substances when the level of the energy supplied to the diffuser is adjusted by the controller such that a desired amount of said volatile substances is kept being diffused by the diffuser in an environment even when the energy level of the battery becomes lower than a predetermined energy level,
• wherein the controller is configured to measure a correct and exact amount of current level applied to the diffuser such that the correct and exact amount of the current level for metering out the volatile substances in the environment is applied to the diffuser.