A battery by definition is a collection of cells. So the cell is a little can of chemicals. And the challenge is taking a very high-energy cell, and a large number of them, and combining them safely into a large battery.
What I found does the most good is just to get into a taxi and go to Tiffany's. It calms me down right away, the quietness and the proud look of it;nothing very bad could happen to you there.