| 摘要 |
<p>A solar energy portable power bank supplies power to external devices, and includes: a bank body, a solar panel, a storage battery, a power converter, a fan, an input port and an output port. The solar panel placed on the surface of the bank body provides electrical energy to the storage battery in case of no external power supply to charge the storage battery. With the storage battery placed inside the bank body, it is very convenient for bringing about. The storage battery can be charged by any external power supply through the input port at night or on cloudy days for increasing the standby time of the solar energy portable power bank. The usage lifespan of the power converter can be extended because of the use of the fan. The power converter provides electrical energy for the output ports in order to adapt easily to various types of the external devices.</p> |
