One of the things we take for granted in our high-tech world is batteries. As we have become more and more “wireless,” our dependence on batteries has increased. So much of our personal and office equipment runs on battery power, whether it's your PDA, cell phone, pager, clock, or wireless microphone.
It's important to understand some basics. There are two major divisions among batteries — primary and secondary. Primary batteries are used once and thrown away. These include alkaline,