Patent 10348107 was granted and assigned to LG Chem on July, 2019 by the United States Patent and Trademark Office.
The present disclosure discloses a battery device including a battery, a charging and discharging switch unit configured to control charging and discharging of the battery, a pre-charging unit configured to be charged during discharging of the battery, and a discharging unit configured to discharge the charge charged in the pre-charging unit.