Batteries are the essential source for electric mobile power. You can’t get enough sunlight to power any production vehicle, although one very smart team did fly an ultralight airplane round the world on solar power. Technically, a battery is a composite of two or more storage cells. At home, a single AA, C or D cell is not a battery, but a cell. In home use, the terms are (incorrectly) used interchangeably.

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Ian Darwin: Ian On EVs

EVangelist; Tesla owner; Computer Geek; Photographer; Dad.