A short circuit, over current and over heat are short circuit, over current and over heat, and the charging indicator light on the charger is not bright.

电源断电或充电电路出现短路、过流、过热时，充电器上的充电指示灯均不亮。

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Wait until the indicator light shows a full charge (on the ADR6300, for example, the charging LED changes from amber to green) but do not yet turn the device back on.

等到充电器指示灯显示完全充满后(在手机ADR6300上，充电器的LED充满后，灯的颜色会从琥珀色变成绿色)，这时候也不要打开手机。

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Charging Indicator green LED light indicates battery is charging.

充电指示灯绿色LED灯显示电池充电。

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Lastly, below the battery slot is an indicator light for wireless connectivity, while another on the right lets you know when the battery is charging.

ENGADGET: Tritton Warhead 7.1 Wireless Surround Sound Headset for Xbox 360 review