A AA or C battery, or most other store-bought batteries, are going to be inside of the container. These are designed to hold what is called a cathode mix, typically made of manganese dioxide, and will enable an electrical charge to be produced through the conductors. There is also a separator that must be used. It prevents the cathodes in the notes from connecting, and the anode will have what is referred to as the negative charge. The anode, along with the electrolyte which is made from potassium hydroxide, will be contained within the battery. A pin that is made from brass will serve as the negative current conductor which is centralized in the battery case.
Every battery is going to have three separate components that work together: and electrolyte and two electrodes. The electrolyte, made from potassium hydroxide, will be mixed with water. Electrolyte is going to allow the movement, through this medium, of the ions produced within the battery. Visiting UPS Battery Shop will give you all the UPS battery options you need.
The negative and positive terminals are going to be connected to metal plates, called electrodes, and these are immersed in the battery in chemicals. When there is a chemical reaction between the material and the metals, this can cause electrons to be produced, on the negative electrode (this is the metal plate which is directly connected to the negative battery terminal) and this will, due to the increase of electrons on the negative terminal, create a shortage of electrons on the positive one (which is connected to the positive battery terminal).
When using smaller batteries, such as AAA, these terminals are very easy to identify. You will see a + and – symbol which allows you to orient them in the proper direction. If you have a car battery, you will see that the terminals will stick out either at the top or behind the battery (they resemble screw tops.)
When looking at the difference between the positive and negative terminals, the number of electrons that differs is what leads to voltage. This voltage will want to travel from the negative to the positive electrode to balance everything out. Inside the battery, the chemicals are also acting like a roadblock, and this will prevent the electrodes from receiving electrons in between them. This is why the voltage will travel out of the negative terminal, through an alternate path, eventually leading to the positive electrode as they seek to find balance.
Connecting the battery to the circuit allows something like a flashlight to provide this alternate path. The excess electrodes of the negative terminal flow to the circuit and will eventually end up at the positive terminal. It is this flow which is the power of the battery.
Once the electrodes are connected within this alternate path, forming the circuit, devices like a battery will light up, or a vehicle can turn on, simply because of electrolytes that have started to react.
These electrons will continue to flow through the circuit, and the chemicals inside of the battery are going to continue to react with the metals, producing electrons that are going to build up around the negative terminal – as long as there is still a complete path. This is why, when you leave a battery in a device for many months or years, its power is depleted because the chemicals inside are no longer active (not supplying electrical energy).