In our technological era, man is important that the phone has always been at hand. High-speed alternative charge By air, there is no, that, unfortunately, no, but there are other options for powering the phone that will be saved from shutdown.

What is Power Bank, what is it from?

Power Bank is an external energy storage. The essence of its action lies in the accumulation of energy, and then complete or partial returns to electronic device (smartphon or tablet) via a USB cable. It is compatible with almost everyone devices which have a USB connector.

Most often for portable power carriers use lithium-ion batteries. This parameter is particularly effective, because it has a low weight, a small self-discharge ratio and the lack of memory effect.

Lithium polymer batteries - it is more advanced devicewhich have the form of the plates of the concluded in the metal case.

Power Bank can be such types of charge:

Agree, have an additional power source at hand it is very convenient. Especially if there is no possibility to connect the phone cable to the network. Therefore, Power Bank is one of the most popular products on Aliexpress. Consider its advantages:

1. The charge of any device is held in the shortest possible time.

2. Power bank is easily charged from the network by a regular cable.

3. Using portable charge allows you to continue working with smartphone or tablet.

4. The owners of such charging are no longer worried about the sudden shutdation of their devices.

5. It allows you to move freely and travel.

6. Diversity of available options for the appearance of the device charge.

7. Small size and possibility of daily use.

8. A decent price. Anyone device In the market of equipment and accessories quite justifies its cost.

Simply put, it can be easily bought on the Chinese playground Aliwhere the developers have already presented favorable options with the highest possible bonuses.

Now about the shortcomings. Unfortunately, they have a place to be:

1. Battery Your e-friend is constantly discharged if you do not turn it off from the power source when it is not necessary. The fact is that charger The phone sometimes goes into the reflex, and we turn on the phone to the network when there is no need.

2. Using USB charging in the wireless era.

3. Charger With great charge potential, it has a rather impressive size and therefore can cause discomfort during its use.

In any case, additional meals for smartphone It will never be superfluous, especially if it is often used.

Accumulators for 50000 Mah - myth or reality?

Many users getting acquainted with such a convenient feature as an additional batterytry to find such an option apparatus Food, which will allow you to charge the phone more than 5 times. And if you enter a key phrase "Power Bank at 50000 Mah" in the search engine, then you will see explicit offers from online stores.

Let's look at what happens batteries And what is worth paying attention to first.

1. Manufacturer devices.

There is an opportunity to meet from unfair sellers on Aliexpress Portable charging that do not have the inscriptions of the manufacturer (logo). It most often suggests that device Does not have the necessary documentation. Accordingly, learn from what it consists, and how long it will work, you can also. From brand apparators Always indicated country of manufacturer and brand.

2. All charging.

Promising descriptions charge At 50000 mAh and weighing 300 grams is a myth. This does not mean that there are no such charging at all. On the contrary, they will definitely eat. Only weigh much more. Approximate weight of such battery 750 gr, and this is excluding schemes, protective corps, etc. So if the seller Aliexpress Offers you charging for your smartphone At 50000 mAh and weighing 300-400 gr, and even the price is excellent, then it is pure water deception. At best, such battery It has 10,000 Mah and the quality of such a product is very controversial.

What is a Power Bank at 50000 mAh? This is nothing more as the tricky stroke of marketers, which is designed to pay from the uncommonled buyers. The real price is battery. exceeds 100 dollars.

Where can I find such charging?

In reality, none of the famous global manufacturers of equipment and accessories will release (in the near future exactly) charging at 50000 mAh. The fact is that the approximate all of this devices About 1 kg, it means that it will not be very convenient to put it in the handbag. This size contradicts the very idea of \u200b\u200blight portable devices Nutrition. Battery. This size needs to be charged about a day, and if it is missing it will easily break.

You can solve such a problem by purchasing several devices With a volume of 20,000 mAh. Buying Power Bank for yourself, pay attention not only to appearance and color, but also on size and weight. Extra battery. It is very carefully different deviceHowever, at least drives tangible harm to your phone as maximum your health.

How to calculate the real capacity of POWER bank for charging phones and tablets?

Buyers very often interest that you can charge using Power Bank. In addition to your phone, you can feed the camera, and the MP3 player, and the tablet.

How can you charge your Power Bank with Aliexpress?

There are two ways charge:

• from the network (enabled through a special adapter);
• from a laptop or PC, via USB cable.

And how to disassemble the real power of your removable battery?

On each Power Bank apparatus there is an AC icon, this is a number at a voltage of 3.7 V. Apparatus, which is recharged from Power Bank you need 5 V. Therefore, it is necessary to understand the real capacity of your device 3.7 V. Translate into 5 V. This can be done using a special formula: said capacity x 3.7 V / 5 V. Considering that What any battery It has its own efficiency (85-95), then in general the formula looks like:

this container x 3.7 V / 5 V x 0.85 (minimum efficiency with high-quality battery.).

For example, the manufacturer indicated its capacity apparatus per 10,000 mAh, that is, its real capacity:

10000 x 3.7 V / 5 V x 0.85 \u003d 6, 290 mAh.

Some manufacturers immediately indicate both tank indicators on their devices. If you have doubt about the compliance of your batteryYou can spend an additional test. This will require an additional special tester. Which connects via USB connector.

1. Connect the tester with a fully discharged battery..

2. We are waiting for Power Bank fully charged.

3. We look at the screen of the tester, which in the figures will show how much I have imagined apparatus.

At the same time, it is worth understanding that it is possible to normal deviation in the testimony and it is 5%.

How to choose SOLAR POWER BANK?

Solar Power Bank is the same portable batteries, only instead of ordinary batteries They have sunny. Agree very convenient when charger Never discharge and always ready to help. That device You can easily buy on Aliexpress In order to always be in touch with your phone. Immediately I want to say that a good quality product will never be cheap. Therefore, if you need battery On solar panels, you prepare to lay out a pretty amount for him.

The main characteristics of such models include:

1. Accessibility.

Solar Power Bank without any problems can be bought in any of the stores.

2. Price.

On aliexpress the price of these batteries does not exceed 10 dollars. In retail electronics and accessories, the price will be an order of magnitude higher.

3. Wide selection.

Sellers offer different options for the appearance of a portable charger. devices.

4. Multifunctionality.

Charge apparatus You can any gadget: smartphone, tablet, mp3 player, etc.

5. Difficulty.

Such charging models also have several USB inputs, which allows you to connect to the power of several devices simultaneously. The huge advantage of Solar Power Bank is the ability to charge and from sunlight and from the network. The only disadvantage, if you can call it, is a tangible weight.

Despite the fact that it is a rather original and useful product, before purchasing it on the site Aliexpress Need to get acquainted with a number of nuances:

1. Most often, the declared power can be divided into 2 and this will be the number that corresponds to the container battery.. Manufacturers are incomprehensible why these indicators are overestimated, so in fact everything can be clearly different.

2. The very essence of this charger - the ability to recharge device from the sun. It is very convenient if you are constantly under the influence of direct sunlight. But if you forgot the night to charge Solar Power Bank, then ultimately have to charge it through a standard outlet.

Buying on Ali Pavebenk personally should not be repelled from non-standard chips in the form of solar panels. If you just need to charge the phone during a party, then such battery You are definitely not useful.

What Power Bank is best to buy?

As already mentioned Power Bank is a very comfortable modern device. If you decide to purchase it for yourself, first of all determine what you need it. If you are a lover of traveling, then SOLAR POWER BANK is quite suitable. it device You can recharge into the sun, until you do your affairs.

The usual Power Bank is suitable for those who do not want to use a power outlet. smartphone.

Immediately need to say that if you are looking for inexpensive Chinese devicethen be prepared for surprises, since little-known firms are reading their apparators poor-quality material. Therefore, if you need high quality charger trust your funds only with proven sellers with lots of orders, reviews and high ranked. This will help if you need to open a dispute, and will return my money or replace device To another. But, if the seller is really good to do this.

Separately, I want to say about the design modern Power Bank.. Here, our Chinese developers tried to fame. Can be found charge in the form of emoticons, stones, standard multi-colored or with drawings and print.

If you want that you have exactly a corporate Power Bank, you can buy it by using the site's search bar and adding the necessary item to the basket.

How to collect Power Bank yourself?

If you decide to independently build a portable charging From you will need:

1. Four nickel battery AA format.

2. USB cable.

3. Wires.

4. Empty cylinder from air freshener.

5. Wire and brackets.

6. Matchboxes.

7. Boxes from film and vitamins.

As you can see, everything is not so difficult and even from the girlfriend you can build a personal charger device.

First of all, connect the lower hour of matchboxes. In each place 2 battery.. We do the holes with the brackets and connect the wire. Next, all this is placed in a box of film, so that the design has integrity. In a jar with under vitamins, cut out the bottom and detect a hole to accommodate USB. So that such a design has not broken down from the first shaking, we put it in a jar with under air freshener and close.

Video: Choose Power Bank on Aliexpress

In conclusion, I would like to note that portable charger This is not a capricis of a modern person. It is real need and salvation. And this is a kind of transitional period, when we expect to enter the market for new high-speed charging devices without wires.

In order to understand what Power Bank looks like, let's see the video of its purchase and samples on Aliexpress: