| 摘要 |
An auto-charging power device is mounted in an electric vehicle and has a generator and a motor connected to two opposite ends of a driving shaft and a battery connected to the generator and the motor. The driving shaft of the auto-charging power device may be coaxially connected to and be implemented as an axle of the electric vehicle. The battery drives the motor, the motor drives the driving shaft and the driving shaft drives the generator to generate and store electricity in the battery. Therefore, the battery remains charged for a long time and range of the electric vehicle is extended. The auto-charging power device is environmental friendly and energy saving.
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