Non-rechargeable batteries, also known as primary batteries, are a type of battery that is designed to be used once and discarded after it has been drained of its original charge. The primary function of these batteries is to provide energy to electronic devices. The energy is created through an electrochemical reaction that cannot be reversed, meaning once the energy is used up, the battery is of no further use. Their main characteristics include a high energy density and a long shelf life, making them ideal for devices that require a consistent energy source over a long period of time, or for emergency situations where a dependable power source is needed.
Non-rechargeable batteries are commonly found in a wide variety of applications, ranging from toys, flashlights, and clocks to medical devices and military equipment. Their long shelf life and ability to function in a wide range of temperatures make them a reliable choice for many of these applications. Some of the major manufacturers of non-rechargeable batteries include Duracell, Energizer, and Panasonic.