| 摘要 |
The backup power supply of the present invention is adapted for a vehicle, which has a power system. The backup power supply includes a motor electronic appliance and a battery. The motor electronic appliance is installed in the vehicle and electrically connects to the power system of the vehicle. The battery electrically connects to the motor electronic appliance, such that the battery can receive electric power from the power system or can supply electric power to the power system. As such, the backup power supply supplies backup power to the power system during the replacement of the motor lead-acid battery.
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