Right now few cars have LED (light-emittingdiode) headlights, but more will come, he said.
现在有一些车的LED(发光二极管)灯,但多来,他说。
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This would be enough to power an electronic speaker or small LED (light-emittingdiode) lights, but not enough to operate a laptop, which requires an estimated 30 to 50 watts.