| 摘要 |
Disclosed is a USB charger for an electronic cigarette, which comprises a first interface (10), a control module (20) and a second interface (40) and is characterized by further comprising a built-in battery (30), wherein the control module (20) is connected to the first interface (10), the second interface (40) and the built-in battery (30) respectively; the first interface (10) is used for connecting an external power supply, so as to provide a charge power supply; the second interface (40) is used for connecting a battery stick of an external electronic cigarette; and the control module (20) is used for charging the battery stick of the electronic cigarette and the built-in battery simultaneously through the external power supply according to the connection state of the external power supply located at the first interface (10), or charging the battery stick of the electronic cigarette by controlling the built-in battery (30). The USB charger for an electronic cigarette of the present invention can be used to charge an electronic cigarette effectively in case of emergency where there is no external power supply, it is convenient to use, and the user experience is good. |
