支持电脑USB供电或锂电池供电，双供电模式自由选择。
Dual-power support for USB-powered computer, or lithium-ion battery-powered.
功耗低，采用锂电池供电，连续使用长达60小时以上，快速充电10分钟即可使用；
Low power, use lithium battery that can keep 60hours above, it is available to quickge 10 mininue s;
但是仍没有轻易做到一次充电能为一辆小型电动车通过一段合理的道路提供电力的锂电池。
But there is still no lithium battery light enough to power a small electric car over a reasonable distance on a single charge.
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