| 摘要 |
A charging device having a voltage stabilization unit, a charging unit, a battery protection unit, and a voltage setting unit. The voltage setting unit includes a control circuit, a voltage adjustment circuit, and a voltage selection circuit. The charging device can output a selected one of a plurality of voltages to one of various portable electronic devices such that a plurality of portable electronic devices can be charged with only one charging device. Moreover, the device is connectable to external power source or automobile power supply depending on applications. Hence, it is convenient in use.
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