Batteries are energy storage devices. There are two types of batteries mainly. The primary and the secondary battery. Their working principle and applications differ from each other. Secondary batteries can be categorized into different groups as per their uses and applications specified below.
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SLI stands for Starting, Lighting, and Ignition. They are commonly known as automotive batteries or portable batteries. they are commonly used in internal combustion-engined vehicles. Examples are; lead-acid batteries, nickel-cadmium batteries, etc.
Industrial batteries are one kind of secondary battery. They are also known as vehicle traction batteries and sometimes motive power batteries. The applications of this type of battery are in the production of motion in different specific vehicles. These are used as a motive power source for a wide variety of vehicles. Lead-acid batteries, nickel-iron batteries, and silver-zinc batteries have been used for this purpose. Another form of the secondary battery is known as a high-temperature battery. which is developing for Electric Vehicles (EV). These high-temperature batteries like sodium-sulfur and lithium-iron sulfide have energy densities in the range of 100-120 Wh/kg.
Applications of these secondary batteries are to meet the standby power supply in telecommunications, energy, industry, hospitals, public facilities, and the railways. The application of these batteries can be divided into two major groups. One is the Standby power system which is used intermittently and the other one is the load-leveling system. In a load-leveling system batteries stores energy when demand is low and later on use the stored energy to meet peak demand.