battery power source meaning in Chinese

蓄电池电源

Gets the reported full charge lifetime of the primary battery power source in seconds
获取报告的主电池电源的完全充电寿命（以秒为单位）。
A system power status notification can occur when a weak or charging power source is detected , or when a transition from ac or battery power source occurs
事件。会在以下情形下出现系统电源状态通知：当系统检测到电源不足或正在充电时，或者当交流电源和直流电源之间相互转换时。