Duracell batteries, like many other types of alkaline and zinc-carbon cells, contain three major components: an anode, a cathode and an electrolyte. The anode is a mixture of powdered zinc and potassium hydroxide, the la... More »

Replace the batteries in any device by removing the old batteries and inserting replacements into the compartment. Always use batteries of the appropriate size and type. More »

According to the MIT School of Engineering, a battery provides an electrical charge due to the chemical reactions that take place inside it once it is connected into an electrical circuit. When a circuit connects the pos... More »

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A battery is made of three main parts: a cathode, an anode and an electrolyte. A simple battery can be made using just a can of soda, a cup and a small piece of copper. The soda acts as the electrolyte, the copper the ca... More »

Duracell and Energizer alkaline batteries adhere to the standard AAA through D battery sizes and 1.5 volt voltage. They differ in price and life span. More »

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An electrical battery must have three parts to function correctly: the positive cathode, the negative anode and an electrolyte. The anode and cathode are connected to a circuit to provide a charge. More »