What kind of icon is displayed in the picture of the electric car with no power?

At present, most of the electric car power display icon is used in the above style, with the reduction of power icon on the small grid will be disappeared frame by frame, when the remaining a battery shape, it means that it is time to charge.

Of course, there are also some electric car power icon is to show the percentage of the amount of power, the amount of power, can be visualized through the numerical value of the display, so that better Ran people to pinpoint the time to travel, charging.