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Why is the voltage of most batteries 12volts (12V)?

First of all, the battery we say is usually a lead-acid battery. The lead-acid battery is a battery with a very long history. In the course of human history, countless batteries have tried to completely replace lead acid without success. then let’s take a Learn about the history of lead-acid batteries for human service!

First of all, the battery is not specifically specified, usually said to be a lead-acid battery, born in 1859, born earlier than the car. Asfor why it is 12V, it is mainly due to its electrochemical principle and engineering design.

In order to facilitate everyone’s understanding, let’s take the most common dry battery as an example, the voltage of each section is1.5v, the remote control becomes 3v with 2seriesconnections, and some appliancesbecome 6v with 4 series connections.

Lead-acid batteries are also made up of a number of cells (red and blue plates in the black shell in the figure below) in series As a result, the voltage of each cell is about 2V, which is determined by the electrode potential of lead and lead oxide and the electrolyte of sulfuric acid solution. Therefore, the voltage of lead-acid batteries must be a multiple of 2, usually 6 in a group, so it is 6×2=12v. The battery capacity is larger, the monomer electricity is thicker, but even if the number of plates becomes more, the voltage between each two plates is always 2V,they are all connected in parallel, so the voltage of the single electricity is also 2 V.

If you want to increase the voltage of the cell, you need to increase the concentration of sulfuric acid, but this will increase the battery’sself-discharge and corrosion, Reduce battery life and performance.

6 A single battery consists of a battery, similar to the wheel spacing of a horse equal to the width of a train track, which has become an industry standard. The battery used in the car must also be 12v, so over time, all cars are 12v. Even if some batteries are no longer lead-acid batteries but lithium batteries, because the car is designed to be 12v, it can only be made into 12 v.

On trucks, because of the higher power consumption,24v will be achieved by connecting two batteries in series, or using24velectric bottles. Therefore, on the electrical parts of the car, there will be an additional indication of whether it is 12vor 24 v.

A battery is a rechargeable battery that converts electrical energy into chemical energy through chemical changes and, if necessary, into electrical energy again. lead-acid Batteries are usually connected by several battery modules, each producing 2volts (2V). Therefore, most lead-acid batteries

It consists ofsixbattery modules with a total voltage of 12volts (12V).

So, why is the 12V voltage common in batteries? This is mainly due to historical reasons and the need for extensive application. Over the past few decades, 12V has become the standard voltage for vehicles such as cars, motorcycles and trucks. This specificationstems from the automotive industry’s consensus on power demand and technical development direction. In addition, many automotive parts and equipment are specifically designed to Adapted to 12V voltage, so the use of 12V batteries is more convenient and adaptable.

As one of the oldest batteries, it is widely used in the field of vehicles, and of course it continues to use 12V voltage or integer multiplesof 12V voltage. Similarly, solar energy systems typically use 12V batteries or 24 V batteries, or 48V batteries, to store the energy collected by solar photovoltaic panels. These systems are often used to power equipment that avoids the grid, Such as camping vehicles, ships and houses in remote areas.

In addition, many portable electronic products also use 12V voltage batteries. These devices include portable computers, portable speakers, camp lights and portable power supplies. The use of 12Vbatteries provides a safe and reliable power supply for these devices, enabling them to function properly. As a result, the 12V becomes a data module, which is convenient for configuring related peripheral devices.

For different business needs, designers usually fix the voltage level and adjust the battery capacity to meet the needs of use. For example, for a vehicle starting battery, a battery with a smaller capacity is generally selected because it is mainly used for short-term high-current export. For solar energy systems or equipment that requires long-term power supply, batteries with larger capacity can be selected.

In addition, some other types of batteries also use 12V voltage. Lithium batteries, for example, are another common battery type that can alsoprovide 12 volts. They are usually connected by multiple battery modules, each producing 3.7 volts (V). Therefore, an output voltage of 12V can be obtained by using three lithium battery modules connected in series.

12V battery has many specifications and parameters, we will choose the most common characteristics of 12V-200AH, but as we all know, lead acid the same technical specifications, there are a variety of models, the actual use of get more infomation with the manufacturer to do a good selection.Of course you can also send me an email:libingxny@gmail.com!

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