这个系统使用充电电池供电，电池通过太阳能电池板充电且可以永久使用。

The system is powered by a rechargeable battery that can be charged via optional solar panel for perpetual use.

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多年来，使用充电电池的设备都需要“调整”或“校准”，这个步骤可以防止电池忘记自己实际上有多大充电电量。

For many years, devices that used rechargeable batteries required "conditioning" or "calibrating," a procedure that prevented the battery from forgetting how much capacity it actually had.

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因此，笔记本电脑行业出现了一个小趋势：更多的电子产品被设计成使用内置的可充电电池。

So, a small trend has begun in the industry: More electronic products are being designed with their rechargeable batteries sealed inside.

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