Remote control. Flashlight. Digital camera. Kid’s toy. Calculator.
All of these items require batteries, the little energy sources that have become an integral part of our lives. We rely on them so much that the U.S. Environmental Protection Agency estimates that nearly 3 billion dry-cell batteries are purchased in the United States each year.
As our reliance grows, sustainability is increasingly becoming a focus area for battery manufacturers. Batteries are made to last longer and use less energy.
Take the Eco Cell USB rechargeable battery, for instance.
