The development of the automotive industry provides every car owner a wide choice and excellent opportunity to purchase additions and spare parts in various price categories. If it was earlier it was important to find the battery suitable for the requirements, clarifying its voltage and power, then in our time you can choose not only according to the technical characteristics, but by variations of execution. In recent years, rather interesting technology is gaining popularity - gel car batteries that are more durable, as well as simple to use than standard options. About this further in the article.

Car battery, why do you need a battery car

Any car engine consists of mechanisms and systems, closely interrelated. However, so that these mechanisms come into force, and the power unit has earned, it is necessary to force them to be forced. In any car, this function is performed by the electric starter, which enters the electrical support system. With the help of this system, the air-fuel mixture is also ignited in the gasoline motor cylinder. Additionally, the electrical system system controls the operation of all car electrical devices.

When the power unit is launched, the energy supply is carried out from the car generator, which drives the crankshaft. However, if the power unit is stopped, the generator does not produce electricity, and the provision of electricity vehicle to fall into the battery is an external power supply.

The battery (abbreviated battery) is the power source of the onboard power network, which is formed and accumulated in the battery itself due to chemical reactions. Rechargeable battery is a reusable device, with the need of empty sources of the on-board network of the car. Most of the battery charge is spent on the engine start, after starting the battery charge is restored from the generator.

It is not rarely even on the engine running motor, the battery has to be partly to give its charge to maintain voltage in the onboard network. This happens when, in addition to the gasoline engine ignition system, which is powered by a running motor, a large number of electrical appliances is additionally connected. In this case, the generator can no longer fully provide a network of energy and part is closed from the battery.

The most common is acidic batteries. Chemical processes in them occur with the use of electrolyte - a mixture of water with acid. However, such batteries have certain disadvantages, among which the necessary maintenance, the allocation of harmful vapors during recharging, constant control over the charge level, compliance with the position of the battery in the car to prevent the electrolyte leakage, as well as the possible leakage of the electrolyte during the trigger of the case.

Device gel battery

The device and principle of the action of gel type batteries is almost the same as the "classic" batteries, where two components are included in the electrolyte - sulfuric acid and distilled water. With that, only the difference is that a special silicone composition is added to acid, converting fluid into the gel mass.

Electrodes of gel batteries are manufactured in the form of spirals or flat lead plates. The housing is made of durable high-quality plastic. There are two main technologies of the device of gel batteries - AGM (using absorbent fiberglass) and gel (viscous electrolyte).

Gel battery and acid battery, what is the difference

As mentioned above, gel batteries are actually not different from the acid, the difference is only in electrolyte. In gel type batteries, chemical elements are added to the electrolyte, providing it with the condition of the gel. In other words, the electrolyte in gel batteries is in a jelly form.

Advantages of gel batteries in front of acid acb

Structurally gel acBs have a lot of advantages in comparison with conventional acid batteries:

1. When the body is sample, the electrolyte will not follow the crack.
2. Gel batteries do not require maintenance (their housing is smeared, some technological holes are absent).
3. Due to the sealed body, the poisonous pairs are not distinguished when they are charged.

Gel batteries

In these batteries, the jelly-shaped state of the electrolyte is due to the addition of silicon dioxide. They have a fairly large cyclic resource. It is worth noting that GEL batteries in some cases can withstand up to eight hundred charge-discharge cycles without losing energy intensity.

AGM batteries

In these batteries, the acid electrolyte is also used, but it is located in a special separator, which is made of fiberglass. This separator holds the electrolyte in himself so that it does not grow. AGM battery is completely safe from vapors, since the electrolyte is held in the pores of this separator and in the future it is used in chemical reactions. Such batteries can withstand the discharge cycle over 400 times.

Advantages of gel batteries

• A large cycle of battery discharge data, respectively, and a long service life - 10-12 years.
• If the battery is in idle state, the energy loss in this battery occurs significantly more slowly than in acid acb. The loss of the energy of an inactive battery for the year is about 20 percent.
• It is not necessary to urgently recharge the battery after a deep discharge. The data of the battery does not happen the shower of plates of electrodes with a deep discharge without an urgent charge restoration, as it happens at the "classic" acid batteries.

Disadvantages of gel batteries

• The first lack of gel battery is very sensitive to the charge voltage. Therefore, the voltage supplied to such a battery must be no more than 14.4 volts. In the conditions of exceeding this value, irreversible destruction of gel electrolyte occurs, that is, the electrolyte is melting and is not subject to recovery. And since on many cars, the voltage interval in the on-board network of the car ranges from 13 to 16 volts, then use gel batteries on them is not recommended.
  
• The second minus is the sensitivity of the electrolyte gel battery to low temperatures. In conditions of a significant reduction in temperature, the electrolyte is frozen even more, which entails a decrease in its indicators of 2 and more times. Therefore, with severe frosts, this battery may not start the power installation of the vehicle.
• Also, the data of the AKB "fear" short circuit. Fully spoil the battery may even bentic and short-term closure.

Technical characteristics of gel batteries

Gel battery has the same specifications as the usual acidic. When choosing such a battery, it is necessary to take into account some indicators.

Capacity - the characteristic of the battery, indicating the maximum amount of energy that the battery may hold after complete charging. This characteristic is measured in amps hours and denotes the time during which the battery can give energy to consumers with one ampere current. As a rule, the tank of the gel car battery is 55-150 amps-hours.

Operating voltage - electrical energy voltage on terminals of a fully charged battery. In gel batteries that are intended for use on vehicles, the operating voltage is usually 12 volts.

The maximum charge current is the current force indicator that can be installed during the selection of the gel battery. The excess of this value leads to damage to the AKB. This indicator depends on the battery tank. The features of gel batteries can also be attributed to the possibility of charge under the conditions of large current forces. In some acb, the maximum charge current reaches 30 amps.

The maximum discharge current is a value that characterizes which current strength can provide a battery for thirty seconds. This characteristic is also called starting current. This indicator also affects the battery capacity. Starting current in gel batteries varies within 550-950 amps.

How to choose the right gel battery which indicators to pay attention to

When you purchase a gel battery, ask whether it can work on your car without any problems. To do this, measure the voltage supplied from the generator to the battery to recharge it. If this indicator exceeds the permissible (14.4 volt), it is better to refuse to buy.

Next, look at the vehicle technical documents and find out the battery which power of the start current and the container is optimally suitable for the car. It is possible to apply a battery with great indicators on the car, but with smaller - it is not desirable.

It is important for the acquired battery to check the output voltage on the terminals, since it must be responsible to the stated in the documentation. You should also take into account the location of the terminals on the battery, otherwise it will be necessary to extend the wires that go to the battery to connect it.

And at least gel batteries, as a rule, less acid-dimensional size, it is still desirable to carry out measurements, whether it will suit the car's battery niche.

How to choose a charger for gel battery

Charging the gel battery should be carried out with regard to specific rules. The best option is to purchase a special charger for gel batteries. Such a charger automatically supports the input voltage at the optimal level - 14 volts, so the recharge with it is not possible.

Gel batteries charging rules

The usual charger for the "classic" acid batteries can also be charged with a gel battery. It is only important to monitor the voltage. Nowadays, you can buy a charger with the ability to manually adjust the voltage, so it will not be difficult.

How to charge gel battery do it yourself

Gel batteries make it possible to perform a quick charge of a significant current strength, but this is not recommended. The current strength is better to set at the level of ten percent of the energy intensity of the battery and charge it at a given current force during the day. It is very important to fully charge the gel battery. If the charge is incomplete, in the future the gel battery can no longer be able to take a full charge.

Tips Prof.

Gel batteries are an excellent power supply of a car network, but some of their disadvantages do not allow you to widely use such batteries in automotive transport. In addition, they are quite expensive, and improper use can spoil them quickly.

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