| 摘要 |
A built-in uninterruptible power supply system and an electronic device using the same are provided. The built-in uninterruptible power supply system supplies power to an electronic component of an electronic device. The built-in uninterruptible power supply system includes a power supply, a power storage, a power supply switch and a power display. The power supply switch electrically couples the power supply with the power storage. The power supply switch switches to transmit a first power or a second power to the electronic component. The power display is disposed in the casing and electrically coupled with the power storage for displaying a storage power of the power storage. When the external power source stops supplying power to the power supply, the power supply switch switches to transmit the second power from the power storage to the electronic component.
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