Nerd Knowledge: How do battery chargers work?

Nerd Knowledge: How do battery chargers work?

Before we learn what makes a battery charger work, let’s examine how a battery functions. A battery is a self-contained power source that stores chemical energy and converts it into electrical energy; this process is known as electrochemistry. The basic unit of a battery is an electrochemical cell. Typically a cell produces 1.5 volts, therefore…