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![With a knowledge of how to connect cells in parallel and series, we can figure out how to arrange batteries to deliver a desired voltage, and in some cases, - ppt download With a knowledge of how to connect cells in parallel and series, we can figure out how to arrange batteries to deliver a desired voltage, and in some cases, - ppt download](https://images.slideplayer.com/25/7951917/slides/slide_28.jpg)