Each person in the house will find a device that runs on batteries. For example, a remote control from a TV, a children's toy, a tonometer or some other electronics. We often do not think about what types of batteries are. Just come to the store and buy exactly the battery that we need for our device, in accordance with the instructions. In fact, there is a wide selection on the battery market. There are batteries of type AA, AAA, C, D. But there is also a special kind - this is a Krona battery of type PP3. And this is not the whole list of various batteries that have the greatest consumer demand.
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Batteries of various shapes are designed for various devices. AA and AAA batteries are often used in remote controls, small flashlights,
medical equipment and digital technology. Type C and D devices are used for large lamps and technical devices. In children's toys, Krona batteries are often used.These power elements also differ in type and in the electrochemical system of batteries, respectively, their cost depends on these factors. The most expensive are rechargeable batteries (the Krona battery can also be rechargeable). Salt has the lowest cost, and alkaline is sold at an average price.
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