Charging system, method, apparatus and terminal device
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United States of America Patent
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-
Aug 22, 2023
Grant Date -
Dec 2, 2021
app pub date -
Dec 23, 2020
filing date -
May 27, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A charging system includes: a first battery, a second battery, a charging component, and a control component. A capacity of the second battery is smaller than that of the first battery. The second battery includes a cell and a switch device connected to the cell. The charging component is connected to the first battery and connected to the second battery via the switch device, and configured to output a charging current to the first battery and the second battery. The control component is connected with the first battery and the second battery, and configured to detect electric quantity of the first battery and the second battery during a charging process and control the switch device to turn on or turn off based on the electric quantity.
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