拿一块耗尽电的电池按上述方法经过6次充电后，再打开手机用电池供电，根据这个用电量绘制出下面这个图。
The following chart plots battery depletion after the device has received a hefty bump charge (6 cycles) and then turned on to use battery power.
他们还能提供汽车电池为无处用电的手机用户充电。
They also invite those without access to electricity to charge their phones using car batteries.
换言之，这个应用或许还在手机的内存里，但它在后台却不会使用电池电能。
In other words, while an app may still be loaded in a phone's memory, it probably is not doing much in the background to drain your battery.
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