标配：双电池，一个充电器，一个耳机，数据线等。
Accessory:Two batteries one charger, One earphone, OneUSB cable.
比如说双a电池的标准化使得它更容易被买到，而且竞争和规模效应使得产品价格下降，从而使得双a电池的效用更高。
That AA batteries are standardized makes them more readily accessible, helps drive down their price through competition and economies of scale, and thus makes the AA battery more valuable.
每块板上包含的把可以太阳光浓缩400倍的小晶体，主要成分是砷化镓光电池。并且跟随太阳轨迹双轴工作。
Each panel contains small lenses that concentrate sunlight by 400 times onto strips containing gallium arsenide photovoltaic cells. Dual-axis trackers follow the sun's trajectory.
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