Monthly Archives: February 2010

While older cell phones were powered with nickel-based batteries, most newer phones are now equipped with lithium-ion. This chemistry is preferable, as it is lightweight, offers high energy density and lasts long enough to span the typical life of the … Continue reading →

Batteries for laptops have a unique challenge – they must be small and lightweight. In fact, the laptop battery should be invisible to the user and deliver enough power to endure a five-hour flight from Detroit to San Diego. But … Continue reading →

Most manufacturers of cell phones, laptops and cameras develop their own battery packs. A model change often results in a redesigned battery. The typical contact arrangements of cell phone and video camera batteries are: battery positive, negative and temperature sensor. … Continue reading →

While old battery packaging systems involved large glass jars and wooden containers, new battery packaging is smaller and sleeker.  Following World War II, portability became important, and the cylindrical cell was developed. Then, in the 1980s the button cell appeared, … Continue reading →