Patent ID: 11871796
Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC A  H | IPC A  H

Claim 13:
14. The electronic cigarette of claim 13, wherein the charging circuit further comprises a battery protection chip; the battery protection chip comprises a charging input terminal, a third ground terminal, a fourth ground terminal, a fourth power receiving terminal, and an internal power supply terminal; the charging input terminal is connected with charging voltage output terminal of the charging chip, and is grounded through a seventh filter capacitor for receiving a stable voltage; the third ground terminal and the fourth ground terminal are grounded; the internal power supply terminal is grounded through an eighth capacitor; the fourth power receiving terminal is connected with the positive electrode of the chargeable batter; the negative electrode of the chargeable battery is grounded.