Lithium-ion batteries help us stay connected to each other and the world, no matter where we are. Because of their capacity to store energy, these batteries are often used to power the devices we carry around with us, whether in our carry-on suitcases for far-off vacations or in our pockets on a daily basis. Which of these devices do you use? Can you think of other ways lithium-ion batteries help us when we're on the move?