| 摘要 |
The present invention provides a wireless charger equipped with an auxiliary power supply and an auxiliary power device detachably connected to the wireless charger. A wireless charger equipped with an auxiliary power supply in accordance with an embodiment of the present invention includes a power input unit which is connected to an external power supply, a wireless power transmission unit which wirelessly transmits electrical power to an electronic device through a magnetic field, and an auxiliary power unit which charges a battery provided therein with electrical power supplied from the power input unit, or charges the battery and, at the same time, provides the electrical power to the wireless power transmission unit, and provides the electrical power of the battery provided therein to the wireless power transmission unit when the power supply from the power input unit is stopped. |
