AC adapter

基本解释

USB bus powered, no need for an AC adapter.
USB自身供电，不需要一个适配器。
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If it works with the AC adapter, you have a problem with your battery or charging system.
如果使用交流适配器可以正常工作，则您的电池或充电系统存在故障。
If the voltage specified on the label or the plug design of the AC adapter does not match the rating or standard you use, please contact your dealer.
如果给定的电源电压数值或者变压器的插头结构不符合用户应用的标准，则请您与供货商协调。

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