| 摘要 |
<p>The present invention provides a portable charger and a method of powering electronic devices by the portable charger. The portable charger includes at least one antenna for receiving a radio frequency signal, a rectifier for converting the received radio frequency signal into DC voltage, and an output unit for outputting the DC voltage to power electronic devices. The method of the invention includes the step of storing DC voltage in a battery for powering electronic devices.</p> |
