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There are all kinds of potential projects for these batteries , dempster says .

登普斯特说，用这些电池可以开展许多具有潜力的项目。

But the additional lithium-ion batteries for the plug-in feature will add an estimated $ 3,500 - $ 5,000 .

而额外另配的锂电池售价估计为3,500美元到5,000美元。

The development of cheap , practicable batteries for evs is still years away say some experts .

一些专家表示，便宜、实用的电池要想用在电动汽车上，可能还得要好几年的时间。

Lighter vehicles also could make the power of batteries more useful and extend their range .

轻量化的汽车还能让电池的电力发挥更大作用，延长续航里程。

Renault-nissan has invested $ 5.6 billion in research , batteries , and vehicle development .

雷诺-日产公司已经投资了56亿美元用于科研以及电池和车辆的开发。