公开(公告)号：US20250038557A1

公开(公告)日：2025-01-30

申请号：US18915822

申请日：2024-10-15

Applicant: BYD COMPANY LIMITED

Inventor： Linwang DENG ,  Tianyu FENG ,  Shi XIONG

IPC: H02J7/00 ,  B60L50/60 ,  B60L58/12 ,  H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H02J7/34 ,  H02M3/158

Abstract: A battery circuit comprises: a power source end, a first battery pack, a second battery pack, a voltage transformation unit, a first switch, a second switch and a ground end. A positive electrode of the first battery pack is connected to the power source end, and a negative electrode of the first battery pack is connected to a positive electrode of the second battery pack; a negative electrode of the second battery pack is connected to the ground end; a first end of the first switch is connected to the power source end, and a second end of the first switch is connected to a first end of the second switch; a second end of the second switch is connected to the ground end; and the voltage transformation unit is connected between the negative electrode of the first battery pack and the second end of the first switch.