Patent ID: 11923712
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 9:
10. The apparatus according to claim 7, wherein:
the control circuit comprises a control switch;
a first subterminal of the low-voltage terminal of the DC-DC conversion module is electrically connected to a first electrode of the first battery unit, and a second subterminal of the low-voltage terminal of the DC-DC conversion module is electrically connected to a second electrode of the second battery unit;
a first terminal of the control switch is electrically connected to a second electrode of the first battery unit, a second terminal of the control switch is electrically connected to a first electrode of the additional power supply, and a third terminal of the control switch is electrically connected to a first electrode of the second battery unit; and
when the battery unit discharges into the battery formation apparatus, the first terminal of the control switch is connected to the second terminal of the control switch.