kids school toys diy battery solar dual power car educational solar robot

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The solar double power car is a hybrid power car of solar energy and battery. It has two power supplies and can be shifted at any time. This solar double power car adopts 5v large size solar panel, multiple geared system, and four wheel drive. The transmission is smart and the performance is stable.
The solar panel is a device which converts solar radiation energy into electric energy through photoeffect or photochemical effect.

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