Battery life is a long-term problem for smartphone users.
While our phones have grown faster and more powerful over the years, smartphone batteries tend to be less than a day in heavy use and not even moderately used in a few months. The lithium-
Ion batteries have been around for more than 20 years, and it hasn't changed radically since Sony started producing ion batteries in 1991.
Despite a lot of effort in replacing batteries, these may still be around us for years.
Here's what you need to know about the smartphone battery. No.
Early battery types like nickel-cadmium have a "memory effect" which means the battery will. . .
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