Recharge Indicator: Light provides battery charge status and blinks to alert when to recharge.
充值目标：光电池提供充电形态时，闪烁提示充电。
2
The control panel incorporates a battery chargeindicator and a speed meter which assists in maintaining a constant walking speed.
控制面板、电池充电指示器和速度计能协助保持不变的走动速度。
3
This paper introduces several kinds of typical chargeindicator control circuitry of automobile charging system and analyses its working principle and fault.