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Is it true that charging through the car cigarette lighter kills the batteries? Can a car charger discharge the battery? Is it possible not to pull out the charging from the cigarette lighter

What do you think, how much portable car charger Consumes electric currentWhen it is in standby mode (no device is connected to it)? Do you think that nothing consumes? Mistake. Then there is a natural question, how much electricity consumes a mobile charger in a car in standby mode and is it enough in order to? Not best way Learn all this and answer questions than direct measurement. Let's find out this.

In many modern cars there are USB connectors with which you can not only connect your smartphone or tablet to integrate it with the audio system of the car, but as well. True, the quality of charging from the factory USB connector leaves much to be desired. The fact is that the power transmission power in the automotive USB connectors Very low. That is, by connecting the phone to the factory USB connector, it will be charged very slowly.

For example, in many machines to charge the phone from zero, only 15 percent may be needed 1 hour. That is why many owners of modern cars, which are installed in the cigarette lighter (12 volts) of the car.

Thanks to special charger, which are installed in a 12-V car cigarette room Charging phones and other electronic devices It happens quite quickly. For example, some chargers are able to charge the phone from scratch to a maximum in just 1 hour. But such power charging device suggests. And does not harm such fast charge accumulator?


So there is reason to worry. After all, it is known that the faster the phone is charging. In our case, electrical energy comes with a car battery. That is why there are concerns that the powerful car charger can affect the charging of the battery. But if during problems with charging should not be, because the engine is working while the generator is working recharges the battery. But what happens when the engine is turned off? For example, in parking? After all, the car cigarette lighter works even when the engine is turned off.

Do I need to remove from the car with the charger? After all, in any case, even in standby mode consumes current? Doesn't the device discusses the battery in our absence? Let's find out, after measuring the energy consumption by the charger in standby mode.

We all know that the charger in the car runs from the electric network of the car 12 volts. Let's spend measurement at home. To do this, we installed a 12-volt power supply unit in a rosette to simulate the voltage of the car's power grid. Next, we took the car charger and connected it to a 12 volt power supply unit. Then, using crabs (crocodiles), we were connected to the charger multimeter (voltmeter) and carried out measurements.


Answer: USB charger for the car cigarette lighter consumes in standby mode 14.2 milliamper (MA) . Do you think this is enough to worry about the fact that the device in standby mode can discharge the battery? In most cases, no. Here is proof.

Typical car battery usually accommodates 40 amp per hour. This value suggests that such a battery can give 1 ampere of electricity for 40 hours. So we found out that the USB car charger consumes 14.2 mA, so that it completely discharge the car battery with a capacity of 40 amps / h, you will need2817 hours or 117 days. So if you use a car every day, you can not worry that the charger installed in the cigarette lighter in standby mode will discharge a very fast battery of the machine.

It is noteworthy that even parked the car for a week or even two and without turning off the charger from the cigarette lighter, you do not risk that it will discharge the battery.

But, it is better to definite the charger from the electrical network of the machine, since even a low level of electricity consumption by a portable charger during long-term operation can still discharge the battery of the machine.

But in fact, the machine connected to the cigarette lighter should not occur more concern than other electrical systems that have electricity consuming around the clock. Believe me if you leave the car on the parking lot for a long time, then the battery will defuse the alarm or the non-accurate access system than the mobile USB charging. The fact is that the alarm of the machine and the system of comfortable access to the car consumes much more energy even in standby mode.

So, if you went on vacation, and remembered that, parked the car, forgot to turn off the charger from the cigarette lighter, do not worry. If you have not left for no more than 100 days, it is unlikely that your charging will completely discharge the car battery. Of course, if in your car accumulator battery old and not able to keep charging for a long time USB device In standby mode, it will define the battery much faster. But if you left the car on no more than 1 month, then even old battery It will not have time to discharge before your arrival.

A few years ago, when mobile phones only entered the battery charging mobile phone Represented its owner considerable troubles. Today, charging your mobile phone can be carried out by almost anywhere. One of these places is a car. One of the main advantages of charging the phone from is the ability to use your smartphone in a loaded mode, without sparing his battery charge and boldly enjoying its capabilities, not afraid to see by the end of the trip low battery level. Thus, with the loaded use of the phone, charging from the cigarette lighter is quite capable of supporting the charge level without letting it go down.

Another advantage is just the case when the phone is not used during a trip. In this case, the battery charge level will not only be supported, but also replenished. This will allow you to use your smartphone longer than this day.

To another important pleasant feature, the possibility of charging the phone from the cigarette lighter includes the case when the level of charge of the battery of your phone is on a critical low level, and you do not intend to stop using the phone. Then charging becomes just the Savior. This is especially felt in any emergency situations, for example, on long journeys.

Disadvantages of using mobile mobile phone charging

Definitely car charger is a pleasant I. comfortable featureused today almost every driver, for its advantages are indisputable. However, not every motorist knows that the phone charging from does not pass without a trace for his car. As any coin has a reverse side and this thing has its own.

First, charging your phone from the cigarette lighter, you can see the barely noticeable drop of the tachometer arrow. This means that when charging the load on the engine of your machine increases, which indicates the increase in gasoline consumption. This is especially seen when the phone is just very actively used during the trip. Secondly, this mode of using the phone negatively affects the wiring system of your car, loading it to a greater extent. Thirdly, if you drown off the car, turning off the ignition, but leaving the key in the battery position, so that, for example, to continue listening to music, and did not turn off the phone from the cigarette lighter, now the energy for charging the phone is drawn from the battery, "soot" it.

Smartphone in the car is an indispensable thing. Probably, every car owner uses a device as a navigator. It is really convenient even in cases where you yourself know the road. The application shows traffic jams, taking into account road traffic in this moment Helps draw up the best route, and also warns about cameras on the road. However, during the use of the navigator, the battery stops quickly. Surely in this case you have a charger in the car.

Possible charging options for smartphone in the car

1. Charging with USB outputs from the cigarette lighter or outlet by 12 V, and this is not opening. But it is important to use the original product from the manufacturer, and this has a number of reasons:

  • first, it will save the phone from possible breakdowns and overheating;
  • secondly, Chinese fakes can be dangerous directly for vehicles of the car;
  • thirdly, the original device has optimal parameters Voltages and provide a rather fast charge.

2. Alternative option - Charging with the help of automotive radio. Almost all modern models of automotive media systems are equipped with a USB connector. You can connect a smartphone with a cable to it. In this case, the charging speed is low, but as an emergency may well be consolidated.

3. There are cases when drivers prefer sunny batteries. To recharge the phone, the optimal indicators are voltage 6b, as well as the power of 4 BT. However, this is rather a curious experiment. In practice, the solar panel will not charge the smartphone faster than the navigator is discharged. In addition, it works such a design only during the daytime.

Isn't it dangerous to charge gadgets in the car?

Although it has now become commonplace, essentially charging the phone in some way contradicts the rules of operation of the vehicle. To avoid unpleasant consequences for both the gadget and for the electronics of the car, use only branded accessories. Often, fake adapters and cables lead to local ignition in the cabin.

We live in the XXI century, in the period of globalization and an incredibly developed world high technologies. Some smartphones and tablet PCs are becoming more powerful than a regular computer, the screens differ in high resolution and show movies in HD quality. The memory of gadgets is already measured by hundreds of gigabytes. But the technology of manufacturing lithium-ion batteries is everything in place and some global changes in this area are difficult to see.

Teenagers more than once have to listen to notations from parents that you can not use the phone while charging or the parents have the habit of prohibiting your child to charge the phone for the night. We decided to dispel these myths and tell you about the true functionality and the rules of operation of lithium-ion batteries of your gadgets.

  • The first myth. "Using the charging of another brand worsens the state of the battery"

To be frank, branded accessories that differ from your device cannot harm your smartphone or tablet. But fakes and chargers of incomprehensible production can harm your gadget.

Therefore, you should not use cheap or nameless devices in order to charge your tablet. Such a charge will lead to the fact that the battery will be charged for a long time or so you will speed up the battery wear and take it out of order.

If you charge smartphone Lenovo. branded charging from LG, nothing bad should have happened.

  • The second myth. "Use a mobile device during charging is categorically prohibited!"

Such an approval is not true. Use your device as much as you want. It is hard to apply harm for long use. If you still use the cheap "charging", then frequent use of the device will take the small energy that has accumulated when charging a poor quality charger

It is unlikely that your smartphone will explode in the charging process. It can only warm up very well. It is especially often with smartphones that only purchased, and the battery has not yet had time to "deal."

  • Third myth. "The night charging of the smartphone is significantly wearing the battery and brings harm to the device."

In fact, the smartphone himself knows what to do when it is fully charged. As soon as the battery in the smartphone reaches one hundred percent marks, special controllers stop the charging process. That is, if your phone is fully charged, then his stay on charging will not differ from whether he was lying in your pocket or on the bedside table. We do not recommend charging your smartphone every night. Keep the phone charge from 40 to 80 percent.

  • Fourth myth. "Mobile devices do not need to be turned on and reboots"

Smartphones are such devices without which it is difficult to imagine a modern person. Machines must satisfy our needs almost everywhere and always. But rest your email will never hurt. In order for the battery of your smartphone to serve you longer, it needs to be turned off at least sometimes. For example - for the night or when you go to the shower.

  • Fifth myth. "Do not charge the device until it is completely discharged."

Maybe it was before it was, but now the technology of manufacturing lithium-ion batteries allows you to charge your device, even when it was discharged in all half. If all the time discharge the smartphone "Under Zero", then you risk the fact that the battery in the smartphone, a laptop or tablet is very quickly extended. Each lithium-ion battery has a certain number of charge cycles and device discharge. When you discharge it completely, you cut the number of these cycles.

In addition to the myths designated above, I would like to mention one very important fact.

Remember! High temperature destroys the battery of the mobile device!

This statement is the purest truth. Tablet PCs, laptops, smartphones, universal readers are afraid of high temperature. When overheated, they may hang. Although, and low temperatures, such gadgets are also not friends.

The permissible temperature of the battery of your device must be in the range of 10-20 ° C.

At high or low temperature, the mobile device will definitely work, but the battery life will significantly decrease.

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