| 摘要 |
The present invention relates to an apparatus for informing information on auxiliary battery condition capable of informing information on a condition of a battery which can charge a mobile terminal such as a smart phone. The apparatus for informing information on auxiliary battery condition comprises: an auxiliary battery charged by receiving a power supply from external power, having a USB battery jack supplying power to a mobile terminal, generating information on a condition of an auxiliary battery including the charged amount of the auxiliary battery and the discharged amount of the auxiliary battery, and transmitting the information to the mobile terminal; a mobile terminal having a USB terminal jack, which is a USB port, and receiving and displaying information on a condition of the auxiliary battery from the auxiliary battery connected to the USB terminal jack; and a communication cable having one end connected to the USB terminal jack and the other end connected to the USB battery jack of the auxiliary battery. The information on the auxiliary battery condition may be transmitted to the mobile terminal through the communication connection cable. |
