BATTERY AND UNMANNED AERIAL VEHICLE WITH THE BATTERY

A system includes a terminal and a power supply assembly. The terminal includes a user interface configured to receive user input for generating a first input signal or a second input signal. The power supply assembly includes a communication interface configured to receive the first input signal or the second input signal from the terminal, a power supply configured to power an unmanned vehicle, and a power supply circuit in electrical communication with the power supply. The power supply circuit is configured to switch the power supply between a plurality of operational modes in response to the first input signal, or display a level of charge or remaining capacity of the power supply in response to the second input signal.