Power bank description. What is powerbank. External battery battery type: Li-pol and Li-ion

Powerbank is a convenient gadget that will protect your smartphone and tablet from discharge. Ideal for situations where you cannot use a traditional power source.

What you should know about powerbank

What is powerbank

Powerbank is a mobile power source that allows you to charge devices without connecting the charger to an outlet.

Commercially available models vary in capacity and many parameters, such as capacity or number of USB ports.

Why buy a powerbank

You no longer need to reduce the brightness of your smartphone screen, turn off Wi-Fi or use power saving mode, which affects the comfort of using your phone, especially in bright sunlight.

Powerbank will replenish the battery level in your smartphone. Enjoy your favorite devices no matter where you are.

Where can you use powerbank

Portable charger useful wherever there is no access to an electrical outlet. Thanks to its small size, it can easily fit into a pocket, backpack or handbag.

Operating principle of powerbank

charge your portable charger like a smartphone
take it with you on a trip or outing
if necessary, connect to a device that requires charging

Inside the powerbank there is a battery of a certain capacity. The principle of its operation comes down to charging and storing electricity in it.

A charged powerbank performs the function of a mobile socket that provides power to a smartphone or other mobile device. Charging is most often done using a USB cable.

How long to charge powerbank

The battery charge indicator will notify you about how long to charge the powerbank. Not every model has this feature, so it's worth looking for a device that has such an indicator, such as the ADATA AA10050 Portable Charger with a built-in LED indicator. Due to its large capacity, a powerbank takes longer to charge than a smartphone or tablet. It can last from 3.5 to 10 hours.

In almost all powerbanks you will find micro-USB and USB connectors - popular ports in the world of mobile devices. For earlier and later Apple devices, you will need a cable with a Dock Connector or Lightning connector.

What devices can be charged using a powerbank?

Can a powerbank charge a laptop?

Most portable energy storage devices have an output voltage of 5 Volts, which allows you to charge almost all mobile devices. However, this is not enough to replenish the energy in the laptop.

Models with e-USB technology are appearing on the market, which allows you to adjust the voltage for the device being charged. When choosing such an energy bank, you need to remember the optimal power required to charge the laptop, that is, at least 20,000 mAh.

In the range of manufacturers you will also find powerbanks, which differ in the way the power cable is installed. The supplied cable must be connected manually. On the one hand, to the energy bank, on the other, to the device that needs to be charged.

A convenient option are models in which the cord is hidden in the housing. It only needs to be removed while charging, making daily transportation easier.

Are powerbanks safe?

Caring about safety, powerbank manufacturers follow several safety rules. Modern devices are protected against short circuits, overheating and incorrect wiring.

To avoid worrying about the possibility of failure, it is better not to buy devices from an unknown manufacturer. Such a power bank may not have a safety kit at all.

Important parameters for purchasing a powerbank

The capabilities of each powerbank are determined by technical parameters. It’s worth taking a closer look at them to easily navigate the wide range of manufacturers. Knowing the basic properties and what they mean will help you make a smart choice of powerbank based on your needs.

What is Mach on powerbank

The capacity of an energy bank is usually expressed in milliamps per hour - abbreviated mach. The higher the value, the longer the device will work on a single charge.

Current strength - what you need to know

When choosing a powerbank, pay attention to the current strength, expressed in amperes A. To charge a smartphone, a current of 1A is sufficient. A universal choice would be a model that allows charging with a current of 2A. It will not only restore the energy of your smartphone faster, but is also suitable for tablets. Charging these devices at 1A current may not comply with the manufacturer's instructions and may take a very long time.

What is the difference between lithium-ion and lithium-polymer

Powerbanks, like smartphones, store lithium-ion or lithium polymer material. What affects its capacity. The choice of a specific solution depends on the frequency of use of the powerbank. The battery life, size and weight of both are similar.

If you often charge your phone and rarely have the opportunity to connect it to an online charger, choose a model with a lithium-polymer battery. For occasional use of a powerbank, such as in emergency situations when you are waiting for an important call and the battery is low, choose a device with a lithium-ion battery.

How to determine powerbank performance

Powerbank performance expresses the percentage energy conversion rate. The battery will never give 100% of its power to the device being charged. There is always a balance that depends on several factors, mainly on the quality of the selected device.

It is better to invest in models from branded manufacturers, whose efficiency reaches 80-90%. The cheapest ones boast high capacity, but their energy conversion efficiency can be only 40-50%. What does it mean? Look at the following example.

It can be assumed, that portable charger from the above example will charge the smartphone three or four times, with an initial charge of 100%. The equation, however, is an approximation and does not take into account the performance of the smartphone's battery, the environment in which the battery is stored, and the usage activity of the device while charging. Despite this, it gives a more detailed picture of how many times the selected powerbank can charge our devices.

What is the service life of powerbank

The battery life indicator is number of charging cycles. It determines how many times we can charge a given powerbank without loss of performance. In this case, feel free to follow the principle - the bigger, the better.

Manufacturers set the lower limit at approximately 500 cycles. Their number depends on the chosen model and the materials from which it was made. A powerbank with a service life of 500 cycles can be used every day for approximately 15 months. In practice, we do not use the energy bank every day, so the device will last you much longer.

Before you start choosing a power bank, decide how you are going to use it. The answers to these questions will make your decision easier.

Powerbank capacity

Before you decide on the capacity, think about how often you are going to use the powerbank? If you need a device that will support your smartphone for several tens of minutes in a crisis situation, a capacity of 2100-2600 mAh is sufficient. If you never leave your devices for a minute, choose a model with a more powerful battery.

A universal powerbank should at least twice the battery capacity of your phone. Therefore, energy banks with a capacity of 5000-6000 mAh are the most popular.

Application of powerbank

The type of device you are going to charge determines which powerbank you need - with a 1A or 2A USB output. You can also choose a universal solution in the form of a powerbank, which has two connectors. This model will allow you to charge two devices at the same time.

Price and quality powerbank

The price of a powerbank depends not only on volume, but also on quality. Avoid devices that attract an attractive price and huge capacity - 10,000 mAh or more.

Portable batteries from unknown brands may not have the full set of safety and declared effectiveness. Their actual capacity may also not reflect what is stated on the packaging.

Powerbank size and weight

In the case of a powerbank that you plan to carry in your pocket, it would be appropriate to pay attention to its size and weight. Please ensure that the device is as small and compact as possible.

In any other situation, size ceases to matter. Most energy banks will easily fit into a backpack or bag.

Important accessories for powerbank

When you decide to buy a powerbank, compare different models in terms of additional features. Manufacturers often enrich their products with more or less useful elements.

Below is a list of useful features that increase the comfort of use:

How to take care of powerbank

Proper use of a power bank will not only extend its life but also reduce the risk of accidents. It is enough that you remember a few simple rules.

The most important principles regarding the use of powerbank:

Use the original cable supplied.
Try to do complete charge-discharge cycles.
Do not leave the device in a completely discharged state for a long period of time.
Store in a dry place and at room temperature.
Do not leave connected to the power supply all night.
Use powerbank at least once a month.
Do not expose the device to high or low temperatures.
Keep the device and its accessories out of the reach of children and animals.

Which portable charger to choose

With the development of new technologies, the demand for energy is growing. Powerbank allows you to enjoy your smartphone and tablet for longer. This is also a great gift idea for anyone who has any kind of mobile device.

ADATA Powerbank AA 10050 mAh	The stylish portable battery is made of brushed aluminum. Thanks to the built-in indicator, it constantly informs you about the charge level.
Xiaomi Powerbank 20000 mAh	The power bank has two USB outputs for charging your smartphone and tablet. The device supports fast charging function.
SHIRU Powerbank 10000 mAh	A practical accessory that will quickly charge your devices. The triple protection system will take care of their safety.
Samsung Power Bank 8400 mAh	Samsung battery in pastel colors and compact sizes. Thanks to the built-in cable, transporting and charging mobile devices while traveling will be even easier. Thanks to its optimal size, it is very easy to move.

In the life of any modern person, especially a resident of large cities, all kinds of technical devices - smartphones, tablets and the like - occupy a very important place. They are involved in all areas of life. With the help of them, we communicate by text or voice, make purchases, share impressions, have fun and do a lot more. Due to such active use, equipment even with a fairly capacious battery is discharged in a very short time, and in many cases it is impossible to afford to be left without a means of communication. Therefore, equipment manufacturers met people halfway and came up with such a thing as a power bank. A power bank is a means of storing energy that you can freely carry with you and transfer to discharging gadgets.

Why is such a device needed?

Power banks are needed to have a mobile source of energy with you. Roughly speaking, this is a battery with a fairly large capacity, which must first be charged from the mains, and then used to power your equipment when it is not possible to simply connect it to an outlet or to a computer. An important characteristic that makes using a power bank as convenient as possible is its versatility. Thanks to the standard USB connector, you can connect almost any device to the device; you just need a suitable adapter.

Housing material

Typically, power bank cases are made of either plastic or some kind of metal.

In the first case, there are ample opportunities for experimenting with the appearance of the device. It can be of various shapes, matte or glossy, or even painted with patterns of any complexity. But the plastic case is temperature sensitive and susceptible to damage.

A metal shell - most often aluminum - is often used for premium power bank models due to the fact that it looks expensive and stylish, and can have a unique engraving on it. Plus, it’s durable and doesn’t scratch or get dirty very often. Disadvantages - there are much fewer possible forms that such a battery can take, high cost and heavy weight.

Almost every person who uses modern gadgets has thought about how convenient it would be to be able to charge their device on the go, in transport and other places where there are no outlets. A power bank can fulfill this desire, guaranteeing the ability to always stay in touch.

Articles and Lifehacks

The term Power Bank has appeared among mobile device users for quite some time.

However, for a long time these devices did not leave the category of useful, convenient, but, of course, highly specialized accessories for mobile devices.

And only the rapid development of the smartphone class in recent years has significantly expanded the audience for external batteries. The reason was the increased functionality of gadgets.

The capacity of internal batteries has also increased over the years, but by no means revolutionary; as a result, their charge simply became insufficient for the most active users.

What is Power Bank

In fact, the correct translation of this term into Russian would be “portable charger.” And no wonder. After all, in addition to the battery, this device includes a lot more.

First of all, these are all kinds of protective systems that:

They do not allow the user to burn his smartphone or the battery itself when charging.
Protects the device from overheating.
Don't let it run out of charge.
Monitor the charge level.
... and perform many other functions that an inexperienced user does not even suspect.

It is important to take into account the quality of the case when choosing such a device. After all, if it is damaged, external batteries can pose a serious danger to their owners, for example, if moisture gets inside.

The Power Bank design also provides interfaces for connecting chargeable devices and charging the battery itself from the network or via a USB port.

What is Power Bank for?

It would be more correct to ask the question in what situations this accessory will be useful. After all, its purpose is quite obvious: recharging any devices in the absence of an electrical network.

The first external chargers were created with those who often travel outside the city or travel to wild places in mind. They had quite an impressive capacity and considerable dimensions.

Today, manufacturers’ lines also include similar models, but they are not the ones that have gained the main popularity.

Most users today use such batteries to recharge their mobile devices while traveling on a train, plane or even during a regular day.

Modest dimensions, achieved by reducing capacity, allow you to carry portable chargers not only in a backpack, but also simply in your pocket or even a cosmetic bag.

This allows them to actively use the capabilities of the smartphone, for example, making frequent calls or watching videos, without fear of the internal battery suddenly draining and the gadget turning off.

What types of external batteries are there?

The modern market offers a very wide variety of these useful devices. For the average user, the main parameters influencing the choice of manufacturer and model are capacity and weight and size characteristics.

The first, of course, should be as large as possible, the second – as small as possible.

According to the capacity parameter, power banks can be divided into:

Big ones.
Small ones.
Average.

The first category includes devices from 12 to 20 thousand mah. These are quite heavy bricks, designed for long trips in the absence of a power grid.

Some of them are additionally equipped with a solar battery, which allows you to recharge the Power Bank itself. There are quite a few offers of devices with a capacity of 50 thousand mah “just for a ridiculous price” floating around the network.

At the same time, a buyer who carefully approaches the choice of the purchased device will easily discover: in the lines of leading manufacturers of portable chargers there is nothing over 20 thousand mah.

There are no descriptions of tests of such devices on the Internet. The conclusion is not difficult to draw - they want to simply “spoil” us.

Average batteries have a capacity of approximately 5 to 10 thousand mah. This is the most popular type of this device.

As a rule, their weight does not exceed 300 grams, and the charge ensures the ability to intensively use a tablet or smartphone for several days.

All portable chargers with a capacity of less than 5 mah are classified as small batteries. This category is intended for use mainly by women, which leaves an imprint on their design.

What to look for when choosing an external battery

First of all, you should not chase offers that seem extremely profitable at first glance. The popularity of these accessories has caused the appearance on the market of a mass of all kinds of fakes of varying quality: from “a little worse than the original” to “it doesn’t work!”

Therefore, first of all, you need to make sure that you are buying an original device. As a rule, one of the signs of counterfeit is the absence of manufacturer logos and markings.

This at a minimum means that the device is not certified in the country where you are buying it, which means there is no need to talk about any quality guarantees.

Some may decide that the savings are worth the slightly worse parameters than the original device.

There are three points to keep in mind here::

“Several” - this may well turn out to be half the size of the counterfeit container declared by the seller.
The battery is a very sensitive part, and sensitivity is expressed primarily in a reduction in service life. Counterfeit manufacturers have plenty of opportunities to reduce this period to zero with their clumsy paws.
And hardly anyone will replace a failed device.
As you know, the miser pays twice.
So: a buyer who saves by buying a counterfeit Power Bank risks paying even three times: for a fake, for a normal portable charger that will have to be bought when this fake goes into the trash, and for a smartphone, which this fake is quite capable of ruining.

In addition, as mentioned above, a low-quality battery can also be dangerous for its owner. Therefore, in order to avoid unnecessary problems, it is better to purchase such devices only from trustworthy sellers.

The main criterion for choosing such accessories is capacity. To correctly assess the need for it, you need to know the battery capacity of the device you intend to charge.

For example, if your smartphone has a battery with a capacity of 2500 mah, then from a charger with a capacity of 10,000 mah you can fully charge it four times.

It is possible that you may not even have enough maximum (20,000 mah) capacity that the manufacturer can offer.

In this case, there is no need to try to find a miracle battery with a larger capacity on all sorts of suspicious sites - just buy two or three batteries.

An important parameter is the charging current, both of the external power bank itself and of the devices charged from it. The latter, as a rule, ranges from 0.5 to 4 A.

To understand whether this is good or bad, you need to understand that a higher charging current means a higher speed at which this process occurs.

And here we must pay attention to the fact that some power banks are equipped with not one, but two connectors for connecting chargeable devices. As a rule, such connectors differ precisely in the charging current parameter.

On the one hand, this design allows you to simultaneously charge several gadgets from an external battery. On the other hand, the user can select the charging current corresponding to a specific device.

This value can be found in the instructions included with the gadget.

But if you are lazy, you can proceed from the following values: a smartphone requires a charging current of about 1 A, a tablet - about 1.5-2 A.

You should also ask how the power bank itself is charged. Cheaper models can be charged exclusively from the network, which is not always convenient.

Newer models usually feature a more advanced USB charging method, so the portable charger can be charged from a desktop computer, for example.

The Power Bank design may include some optional, but certainly useful elements, such as an LCD charge indicator or an LED flashlight. They will also make using the device more convenient.

For high-capacity batteries, a solar panel can be useful, allowing you to recharge them while camping. You should also not ignore the body of the purchased device. Of course, its strength and tightness are very important.

Therefore, on the one hand, it is more logical to choose a model with a metal body. On the other hand, modern plastics are not much inferior to metal in strength, but they are much more pleasant to the touch.

And the last point is the equipment of the device. Not every model comes with a universal USB cord, and sometimes it’s just outrageously short.

In addition, a universal set of adapters that allow you to charge devices from different manufacturers may also be useful.

Proper use of a power bank

Like any other battery, a new external battery should be “boosted” immediately after purchase to achieve maximum charge capacity.
- But if the device was purchased in the cold season, before starting this procedure, upon arriving in a warm room, you must wait at least an hour for the condensation to evaporate.
  
  Otherwise, there is a risk of damaging the device when turned on.
- After this, you need to connect some kind of charge consumer to the battery in order to completely discharge the battery, for example, a tablet or smartphone.
- After the indicator indicates that charging has stopped, the gadget should be disconnected from the battery, and the battery itself should be recharged until the maximum charge is reached.
  This cycle, sometimes called a “training”, should be repeated 3-4 times. During further operation, the capacity of the device will inevitably decrease. To slow down this process, the above procedure should be carried out from time to time.
When charging the battery, try to bring its charge level to 100%.
Currently, there is an opinion that the so-called “memory effect”, when the battery capacity decreases when not fully charged, is absent on modern lithium-ion batteries of the latest generation.
However, many users claim that this is not the case, and even such batteries lose capacity when not fully charged.
Sometimes there is no need to operate a power bank for a while. In this case, you should keep in mind that storing it fully charged, as well as completely discharged, is harmful.
To best maintain capacity, the charge level should be approximately 50%. You can check it if the model has an LCD indicator.
One should keep in mind such a phenomenon inherent in batteries as self-discharge. In quantitative terms, the battery loses up to 5% of its charge over the course of about two weeks.
Therefore, a stored battery must be periodically monitored and recharged.
When using the battery, avoid exposing it to direct sunlight. In addition, you should not use it at too high or, conversely, too low temperatures.
Batteries are very sensitive to operation outside the operating temperature range specified by the manufacturer and easily fail.
Handle the battery carefully and do not drop or hit it. You cannot use a charger with a damaged case.
To charge the battery, use only an original charger with a charging current corresponding to this model.

More than 14 million Ukrainians today own smartphones. Are you among these lucky ones? Great! Then you should continue reading our material!

Remember what features of your future smartphone you paid attention to before purchasing. Operating system type, screen resolution, camera... A whole list, not the least of which is battery capacity. In other words, how quickly will your smartphone “turn into a pumpkin”: at midnight or after 6/7 hours of operation. Yes, modern touchscreen phones are not what they used to be - they last much longer, and the struggle for battery life continues.

But anything can happen!

You are going on a trip and will be away from outlets for a long time, or you are wandering around the city all day without a car, or maybe where you are, electricity is rare. Yes, anything can happen, but “the battery in your smartphone is dead” is not an excuse!

Of course, you can go into the settings, disable a bunch of functions and carve out another hour or two of work. But have you ever bought an expensive smartphone to turn it into a Nokia 2110?

The solution to the problem was Power Bank.

What is Power Bank?

Translated into Russian, Power Bank is an energy bank. That is, an array of batteries assembled in one housing. There are several spellings of this word: Powerbank and Power Bank, as well as an external battery for a smartphone/tablet, a mobile battery and an autonomous charger.

To put it simply, a Power Bank is a socket in your pocket.

What is a Power Bank for?

The case of the external charger has a universal output (USB) and an input (most often microUSB). This means that the Power Bank can power everything that is connected via USB, from smartphones, tablets, navigators and players, to set-top boxes and walkie-talkies.

On the market today there is a huge selection of Power Banks from different companies, capacities, designs, sizes, and reliability. How to choose what you need?

How to choose a Power Bank?

Just like before buying anything, first ask yourself: “Why do I need a Power Bank?”

If you are going on a long trip and there is no power outlet for several days, then you should take a closer look at capacious batteries from 15,000mAh to 20,000mAh, such as . In addition to capacity, PINENG has a huge number of advantages, which you can read more about.

Or perhaps you’re wandering around the city all day, showing presentations from your tablet, you have a million calls and don’t have any time to sit in a cafe, recharging your gadget. Then graceful will suit you or . You know, these two Power Banks are not a shame to put next to the iPhone since they both have the same stylish design.

But it’s not only power that you should pay attention to. Also, an important difference between external batteries is the number of USB outputs. Agree, there is a difference - either you charge one smartphone, or you charge both a smartphone and a tablet. Moreover, each of the gadgets is imbued with the energy of the strength that is recommended for it. You can choose the one you need .

It’s also worth paying attention to the presence of a LED flashlight; this nice bonus can be very useful to you. This is not just a flashlight, but a flashlight with powerful batteries, which means it will shine for a long time.

Once you have decided on all this, we move on to the search. You can find thousands of models in offline and online stores. How to choose the original Powerbank? How not to buy a fake, which can even be dangerous?

And even if you don’t understand anything about milliamps and so on, you can simply tell us about your tasks for a Power Bank, and we will help you with your choice!

Nowadays, almost every person has a smartphone or tablet. Active use and constantly working Internet mean that the battery charge lasts only a few hours. Every smartphone owner has encountered a situation where the phone died at the most inopportune moment. Today, to avoid such circumstances, it is enough to have a portable charger with you.

What is power bank

An external battery is a device for discharging charge. In order to charge a portable charger, you need to connect it using a cable with a USB connector to a PC or power outlet. Micro USB connector – designed for charging a smartphone.

The main advantage of a power bank is that you can charge the gadget at any time, no matter where the person is at that time. An external battery is the optimal solution for charging gadgets for those who actively use a smartphone or tablet, as well as for those who like to travel and have an active lifestyle.

How to choose an external battery

The process of choosing a power bank is somewhat more complicated than it might seem at first glance. As a rule, manufacturers of smartphones and tablets recommend purchasing an original portable charger. Popular brands of external batteries at the moment are Rombica, HIPER, Inter-Step, Xiaomi, TP-LINK, Meizu, Drobak. Buying a device of dubious manufacture is very risky, because it may have low-quality connectors, the battery capacity usually differs significantly from the declared one, and there is a high probability of rapid breakdown.

When choosing a power bank, special attention should be paid to the quality of the device. After all, there are many fakes on the electrical goods market. But how to recognize a counterfeit and not purchase a low-quality portable charger?

Simple ways to verify device authenticity:

A branded sticker with a code that must be entered on the manufacturer’s website.
Integrity of the case and high-quality assembly.
To charge the gadget, no additional switching is required; charging starts automatically when the phone is connected.
When connecting the cable to the micro USB and USB connectors at the same time, the battery should not be charged by itself.
The weight must correspond to that declared by the manufacturer.
Original instructions in the language of the country where the device was manufactured.

What capacity to choose power bank

Depending on what you plan to charge from the power bank, you must select a device with the appropriate nominal capacity. If you need to charge your phone throughout the day, an external battery with a capacity of 1000-4000 mAh is suitable, which is enough for one or a little more recharging. You should choose a battery with a capacity greater than that of the internal battery.

And if you plan frequent trips or business trips, the best solution is a portable charger with a capacity of 10,000 to 30,000 mAh. This power bank can fully charge the gadget up to 10 times. If you plan to charge only a smartphone, the best choice is a device with a 1 A output, but if you plan to charge a tablet, then 2 A or with two types of connectors. Its weight directly depends on the capacity of the external battery. Therefore, you should not expect that a very powerful power bank will be light.

Where to buy Pineng products in Ukraine

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