Universal External Battery Power Bank
Manual
About the portable charger
The Universal Portable USB Power Bank Charger lets you charge your smartphone or other compatible portable devices when you're not connected to an electrical outlet.
The portable charger fits easily into your pocket and you can take it with you wherever you go.
Charging an external battery Power Bank
The built-in battery has been partially charged at the factory, but it may need to be fully charged before use.
- Connect the USB end of the cable to a computer or wall outlet using a USB power adapter (sold separately).
- Connect the micro USB end of the cable to the charging port of the portable charger.
- The indicator light will turn on and turn blue while the battery is being charged, indicating the charging process. Charging time is about 4 hours.
- When the battery is fully charged, the indicator light will flash.
- Disconnect a compatible USB charger from the portable charger and then from the wall outlet.
Charging devices with an external battery
- Connect the USB end of the cable to the USB end of the portable charger.
- Connect the micro USB end of the cable to the charging port of the device you want to charge.
- During charging, the indicator turns on and lights up in blue. Check if the device is charging. Charging time may vary depending on the device and how it is used.
Precautionary measures
- Do not throw the device into water or fire.
- Do not connect directly to the mains without an adapter.
- Do not attempt to disassemble the device yourself.
- Protect the device and the battery from dropping, hitting or shaking.
- Use only a soft, clean and dry cloth to clean the surface of the device.
- Do not use or store the device in dusty or dirty areas.
- Do not store or use the device at temperatures above 50 degrees.
- Do not charge the device using a power adapter with an output voltage of more than 5 volts.
Recommendations
- During the charging process, the body of the device may become warm. Upon completion of the charge, it will gradually cool down to room temperature.
- Charge the device before use if it has not been used for more than 90 days. For the best battery life, do the following once every three months: fully charge the device, then completely discharge it by charging some other device, then store it in a dry, cool place.
- Do not use the device in high humidity, high ambient temperature or extreme conditions.
- It is not recommended to charge an external battery while charging an electronic device.
- Do not modify, disassemble, open, drop, puncture or cut the internal battery.
- Avoid exposing the device to open flames or direct sunlight to prevent overheating.
- Do not place the device in a confined space (such as a pocket or bag) while in use.
- This device must not be used by young children or persons with disabilities without the supervision of a responsible person.
- Use only compatible chargers and cables.
Today, people use a lot of mini-techniques - mobile phones, tablets, laptops, cameras, a lot of things, without which the life of an advanced user turns into a dull existence.
The global problem is that the equipment, being disconnected from the network, quickly loses energy. But we often stay on the road or relax in nature. So that an event with a sudden discharge does not spoil the voyage, we advise you to purchase a ROM.
Why would a tourist need to have a portable charger?
Finding themselves far from settlements, researchers, picnic participants, hikers or expeditions need a constant power source - an external battery. We are talking about charging gadgets necessary for life (a flashlight, a navigator and a communication device), and about “revitalizing” tablets, photos or video cameras. Knowing what this popular invention is, any adventurer will figure out how to properly use an external Power bank battery.
What is Power bank?
Portable charger (Power bank - in English "energy bank") - a portable power source. Through ports of different types, it first charges itself, and subsequently gives the accumulated amperes to a phone or other "pocket" equipment.
More often, a "bank" resembles a rectangular object in cross section - either wide and flattened, or with the same sides of the section. The body material is different. As well as height. The corners are always rounded. Sometimes it's even a cylinder...
Portable power sources vary in capacity. The most capacious and powerful batteries look like external hard drives.
How to choose the right external battery (power bank)?
ROM is selected based on its purpose. An external battery (power bank) is necessary for most of us for close trips. In this case, strength is more important than capacity. Others require both of these qualities, and even increased compatibility.
Therefore, a traveler with a long-distance travel destination (and a bunch of portable devices in a backpack) should read the following section.
How to choose a good power bank? When ordering such equipment in an online store (or contacting a sales department manager), you do not need to think about the appearance. It is more important to get information about 5 more important parameters of the described device.
Device type
A portable charger (Power bank) has several types of ports for entering the network.
The most common type is the electrical plug. This input allows connection to a traditional socket (220V), providing the fastest way to power up.
2nd class of ports - USB. It allows you to charge from the computer (but a little slower).
When looking for an answer to the question "How to choose the right power bank?" whether or not you have a car plays a big role. Some energy storage devices are charged from the cigarette lighter (through a special adapter). In this situation, you will have to wait.
As it was said, more often the power bank is filled with contents through a household network - 220 V.
And yet there are alternative models that feed on the sun's rays. Such a masterpiece has a signature - solar. By and large, it is just a cunning marketing ploy.
Power bank capacity
Each portable charger has a certain capacity limit. Its capacity is measured in ampere hours (Ah) or milliamp hours (MAh).
In one session, a portable charger can accumulate from 2,000 MAh (the most common option) to 24,000 MAh (a very expensive category of goods).
The most useless type is a solarium (from the "Russian" sun it is difficult to power even a small battery ...). To attract attention, the solarium is equipped with bright loops with carbines and even a flashlight (which “eats up” the already small power supply).
Confused about how to choose a power bank for a smartphone or navigator, look for a small unit for 2,000 - 5,000 MAh (size 18,650 "columns", up to 1000 cycles).
Several cell phones, tablets, action cameras, as well as powerful lighting devices require at least 10,000 - 12,000 mAh electricity, and also several ports on the panel. Their size is already larger. A huge set of equipment need to be powered at one time? Then you need 16,000 - 24,000 MAh.
output power
How to choose the right power bank by reading the section regarding its power? The fact is that the power of the power bank must be greater, or at least equal to the power of the device that it charges. Otherwise, the "bank" will simply start to discharge the gadget.
The value is measured in watts (W). You need to know the parameters of your mini-equipment by heart before purchasing one or another power bank. The problem is exacerbated when you want to charge multiple devices at once. Make accurate calculations.
By the way, the lithium-polymer category external battery is more advanced than its lithium-ion counterpart (which heats up too quickly).
Housing material
The portable charger is protected by only two shells - plastic or metal (usually aluminum).
How to choose a good power bank, based on the positions of strength, as well as resistance to moisture and various aggressive environments?
Of course, aluminum holds the impact better. However, it quickly scratches, heats up, collapses in a hard frost, and lends itself to some chemical attack. Plastic is safer in this regard, but its “anti-vandal” properties leave much to be desired.
In this regard, the advantage remains with expensive specimens with chrome-plated cases.
Brand
When thinking about how to choose a good power bank, study more technical information regarding its varieties. As a rule, firms that started producing "power piggy banks" before anyone else launch products on the market that differ in energy capacity, connection method and number of ports. They are distinguished by an improved design, the number of options on the panel and the greatest compatibility with gadgets from different manufacturers.
On the contrary, little-known companies can sell you a battery that will burn out on the first trip or will not come into contact with half of your devices. Brand matters!
For example, when thinking about how to choose a power bank for a smartphone, most of us already know that we should buy Xiaomi, TP-LINK or Coolpad products, and tourists (they need a more capacious energy source) trust HIPER “banks”, the potential of which can reach 24 000 MAh per session.
How much does a power bank cost and where to buy it?
A portable charger with a capacity of 2,000 to 5,000 MAh can really be purchased for an amount of 200 to 500 rubles.
If the external battery of the unit allows you to charge tablets, cameras and flashlights (or 2-3 iPhones at once), then it is identical to 10,000 - 12,000 MAh and will cost from 1000 to 1200 rubles.
A "Generator" of 16,000 - 24,000 MAh will cost you 1,600 - 3,500 rubles. At the same time, for a similar unit with an “anti-vandal” coating and many functions, you will have to pay from 4,000 rubles and more.
Power banks can be purchased at many stores, but it is better to do this in specialized departments. You can use the Internet, but only if you trust the online store where you place your order.
How to use an external power bank battery?
The higher the capacity level, the larger the dimensions and weight of the device should be. Here everyone should choose the optimal ratio, based on needs. Small-sized batteries with an exorbitant capacity are most likely the “creation” of a little-known and unscrupulous manufacturer. Such an external battery can either slowly burn out, or even (!) Explode.
The source of power works differently depending on the season. In summer, recharging "moves" faster. In winter, the opposite is true. Do not expect miracles from the power bank.
Do not forget also that the efficiency of the described device is not 100%, but 80% (there is a loss of energy during transmission - the case heats up quickly). Therefore, remove the gadget from charging in time. As soon as the indicator shows "finish" - immediately disconnect the cord from the port.
It is strictly forbidden to store the power bank near open sources of fire or next to something wet. Excessive temperature, as well as excess moisture, make the filler of the device (lithium ion or lithium polymer) unusable.
Connect the external battery to the network through the cord that comes with it.
Possible problems during the operation of Power bank
It is worth emphasizing once again: the type of devices being charged, the way they are used and the amount of time for which you move away from civilization are the main criteria for solving the problem of how to choose the right power bank. Choosing the wrong drive will lead to a number of problems. The power-up process can be significantly delayed, incompatibility with some gadgets will be found, the accumulated charge at the most inopportune moment will be quickly consumed.
The external battery has connectors indicating the current strength. For all kinds of phones and smart phones, 1A is enough. You should never connect such devices to ports designed for iPads, cameras, travel lights or tablets - the equipment will fail.
More detailed information on this topic awaits you in the article.
Before using the Xiaomi Power Bank 20000, please read the instructions carefully.
Attention: the "Charge Control" button is not intended to be pressed (on/off). External battery Powerbank 20000 independently monitors the state of charge and discharge of the built-in battery, so you do not need to press the "Control" button to check the charge level. Two minutes before the discharge of the built-in battery, the indicator goes out.
Features of the device Power Bank 20000
Safety
The Power Bank 20000 Portable External Charger features a variety of features to ensure safe use. In all operating modes - charge, discharge, standby, the Power Bank 20000 battery provides reliable protection. Overcharging, deep discharging, high temperature, short circuit and other abnormal situations are monitored. The safety of the external battery and your digital devices is guaranteed.
High performance
Accelerated charging Power Bank;
- Output current: 5.1V - 2.1A; - Super high efficiency boost inverter (5.1V - 1.0A conversion ratio over 90%)
Compatibility
Built-in intelligent USB charging controller;
- Compatible with major brands of phones and digital devices;
- Supports the main brands of devices for high-speed charging;
Xiaomi Power Bank quality
In the production of Xiaomi Power Bank 20000, high-quality batteries from well-known manufacturers are used.
Get to know your device
Thank you for choosing our products. This device is a high-capacity power bank that uses original ATL/Lishen and other types of lithium polymer batteries and charging chips from well-known manufacturers, whose components have proven themselves to be of high quality and reliability all over the world. Components are selected taking into account such characteristics as safety, efficiency, electrical compatibility, etc.
Note: Xiaomi reserves the right to replace suppliers of components with the same level of quality and performance.
.Key Features of Power Bank 20000
Model: YDDYP01
Battery type: Li-Ion polymer battery
Battery capacity: 20,000mAh 3.6V
Operating temperature: 0°C - 45°C
Size: 141.9x73x21.8 mm
Input parameters: 5.0V - 2.0A, 9V - 2.0A, - 12V - 1.5A
Output parameters: 2 x 5.1 V - 2.1A, (MAX 3.6A)
Charging time: about 7 hours (18W* charger, standard cable), about 10 hours (10W* charger, standard cable);
Note:*18W charger supports DC 5.0V/2A, 9.0V/2A, 12.0V/1.5A output voltage
*10W charger supports DC 5.0V/2A output voltage.
Charge Power Bank 20000
When using the Mi adapter for the Xiaomi 20000 external battery, you can charge the built-in battery of the device. Dj charging time indicators display the charge level as follows:
| Charge level | LED1 | LED2 | LED3 | LED4 |
| 0-25% | Flashing | Does not burn | Does not burn | Does not burn |
| 25-50% | Glows | Flashing | Does not burn | Does not burn |
| 50-75% | Glows | Glows | Flashing | Does not burn |
| 75-96% | Glows | Glows | Glows | Flashing |
| Charging completed | Glows | Glows | Glows | Glows |
| Trouble while charging | Flashing | Flashing | Flashing | Flashing |
Recharging other devices with the Power Bank 20000
Use the USB data cable to connect other digital devices in order to charge them. When the Power Bank is in operation, the indicators display the remaining charge level as follows:
| Charge level | LED1 | LED2 | LED3 | LED4 |
| Insufficient voltage | Does not burn | Does not burn | Does not burn | Does not burn |
| 0-25% | Flashing | Does not burn | Does not burn | Does not burn |
| 25-50% | Glows | Flashing | Does not burn | Does not burn |
| 50-75% | Flashing | Flashing | Flashing | Does not burn |
| 75-96% | Flashing | Flashing | Flashing | Flashing |
Warning
This product contains a cast polymer battery. It is strictly forbidden to remove the outer shell of the product to prevent damage to the battery and related risks.
It is forbidden to disassemble, compress, puncture the product.
Do not place the product in water, fire, or places with temperatures above 60°C (140°F)
Attention
The first time you use it, you need to fully charge the Power Bank.
While using the product, turn on the screen of the digital device, check if the charging indication is correct to ensure the correct operation of this device.
During the reception and supply of electricity, you must independently select the correct cable.
If the volume indicator goes off completely while charging digital devices, the battery needs to be recharged.
When connecting the battery to digital devices, the digital devices use power first.
After fully charging digital devices, disconnect the cable in time to prevent malfunctions.
If, due to a short circuit or other reasons, the product has entered the safe mode (the LED near the power button is off), the device must be connected to the network to return to normal operation.
Purpose of the anti-counterfeiting label
Each Xiaomi Power Bank 20000 mAh stand-alone charger has Xiaomi anti-counterfeiting labels on the outer packaging. To verify the authenticity of the product, erase the protective layer and enter the code that appears on the website http://www.chaxun.mi.com
Schematic representation of an anti-counterfeiting label.
Schematic representation of an anti-counterfeiting label after removing the protective layer.
| Part name | Hazardous Substances | |||||
| Lead | Mercury | Cadmium | Chromium(VI) oxide | Polybromodiphenyl | Polybrominated diphenyl ethers | |
| Schematic Printing Module | X | 0 | 0 | 0 | 0 | 0 |
| Battery | 0 | 0 | 0 | 0 | 0 | 0 |
| shell | 0 | 0 | 0 | 0 | 0 | 0 |
| Gasket, adhesive tape and other small parts | 0 | 0 | 0 | 0 | 0 | 0 |
This table has been compiled in accordance with SJ/T 11364
0: means that the content of hazardous substances does not exceed the limit set by regulation GB/T 26572.
X: means that the content of hazardous substances in one of the materials exceeds the limit set by regulation GB/T 26572.
Manufacturer: Xiaomi Communications Co, Ltd.
Address: 88 Qingha Middle Street, Haidian District, Beijing, China, China. Jiangning Economic and Technological Development Zone, Nanjing, PRC, China, China.
Produced at the manufacturer's factory in China.
The month and year of manufacture of the technical device is indicated on the packaging.
Today it is difficult to find a person who does not have a smartphone. Modern models are distinguished by versatility and versatility. This advantage causes a shortage of battery capacity. It lasts only a few hours, which is quite problematic in the absence of charging. To solve this problem, a power bank was created.
This is what is called an energy storage device. It can be used to restore the energy balance of discharging gadgets. The mobile source is characterized by a large capacity. The device has two standard USB connectors, so you can connect any device to it. The instructions for using the power bank are simple. To charge the battery, you need to connect the gadget with a portable battery.
Power bank is a class of universal chargers. They are identical to the batteries that are inserted into the latest generation of smartphones. Additional bonuses include light weight, automatic shutdown function when reloading small equipment. The voltage is usually 3.7 volts, and the capacity is from 2000 to 3000 mAh. It is allowed to discharge and charge the Power bank 500-1000 times.
Indicators to pay attention to
Battery capacity is expressed in mAh. The weight of the power bank and its dimensions depend on it. The latter are characterized by specific energy consumption and low self-discharge current. The choice of a specific model is carried out, focusing on the type of gadget used. Pay special attention to the charging current. It is in the range from 1 to 2 amperes.
Find out your battery charging time
In the line of modern models of the Xiaomi mi power bank, there are devices in the structure of which there are solar charging panels. Thanks to them, the battery becomes more economical and convenient. Appearance and material of manufacture play a minor role.
The case of the model is metal and plastic. When choosing the latter variety, special care should be taken. This is due to the risk of overheating, one of the consequences of which is the occurrence of damage. Aluminum products are among the premium class devices. They are characterized by durability and unique design. Among the minuses are the lack of differences in shape, tangible weight and high cost.
How long does a power bank charge last?
To find out the number of possible charges, you can use a special formula. The calculation takes into account the capacity of the power bank and the minimum self-discharge. If the operating conditions are violated, the functionality of the battery decreases over time. It is necessary to take into account the fact that a power bank cannot give out 100% of the available energy.
Xiaomi Power Bank
How to charge power bank
The energy reserve in a portable device is replenished from a stationary computer, network or laptop. The process is faster if the power bank is charged from sources of electricity, the strength of which is 2A. Saving time plays a big role. When choosing the appropriate method, it is necessary to take into account certain nuances and features.
The easiest way to charge Xiaomi mi Power bank is through an outlet, using the cable included in the standard kit, a regular phone charger (if the unit is separated), a USB cable from a computer or laptop. How much you have to charge the Power bank depends on how the energy balance will be replenished. Experts recommend charging the device at night. This way you can achieve maximum battery filling.
Directly "powering" the Xiaomi mi battery will allow you to replenish the charge much faster than using a USB cable. Charging carried out by means of a solar battery should be carried out in full accordance with the rules that were indicated in the instructions.
Devices equipped in this way cost more than classic models. Some portable batteries can be charged using the smartphone itself. After the lights on the external battery stop flashing, it is not recommended to unplug the device for an hour. This is necessary to restore drip charging. If necessary, you can download a special application. It will take 3.5 hours to charge Xiaomi Power bank 10000 mAh. With a capacity of 20,000 mAh, the duration of the session increases by 1.5-2 hours.
Possible mistakes
If the Xiaomi mi Power bank does not charge, you should pay attention to the "symptoms" that have arisen. Causes that can cause problems include:
- poor device quality;
- lack of timely charging;
- use of unsuitable devices;
- mechanical damage.
If you have problems with phase switching and the operation of light bulbs, you need to contact the master. Self-repair is allowed only if you have the appropriate knowledge and experience.
A small educational program on power bank
An external battery, also known as a power bank, also known as an additional or portable battery, is a small portable battery that can be used to charge a number of devices: e-books, cameras, tablets, smartphones and others that receive energy using a USB cable.
This battery needs to be periodically charged from a computer or an outlet, and it is able to store the accumulated energy for a long time. This allows you to take a power bank on a trip, to study or work - it will save you exactly when there is no access to electricity and a socket.
Several batteries are located inside the external battery. They are connected to the controller board. On this board are connectors for connecting devices. Through the use of a universal USB 2.0 interface, compatibility with most mobile devices is achieved.
Power bank can have any color, size and shape - here manufacturers delight users with a wide variety of options to make it beautiful and functional. You can buy a power bank from a plastic, metal or polycarbonate case. In terms of practicality, these options are the same, only in metal cases, batteries have a heavier weight.
The greater the weight of the battery, the higher its capacity indicator. Do not purchase models that have 20,000 mAh in parameters and weigh approximately 100 g. If you need to use your smartphone while charging from an external battery, it is better to choose the most convenient and ergonomic battery.
If the battery is needed only to last the time before normal charging, then you should choose a compact model that has a low weight. Some of them even have a keychain format.
It is appropriate to mention battery cases here. In fact, they are the same external battery with identical functions. A significant drawback stands out here - the purpose is only for a certain smartphone model. There is little practicality in such a solution, so other gadgets cannot be charged.
External battery type: Li-pol and Li-ion
Often, users who are wondering which power bank is better discount the VIP of the battery used, and are distracted only by other indicators. The functionality and durability of the device will depend on the parameters of the batteries used.
Modern power banks have one of two fundamentally different types of batteries:
- Lithium polymer Li-pol. A category of plastic batteries that, when manufactured, receive any shape. They outperform Li-ion in almost all respects: less self-discharge, lower losses, discharge / charge cycles for this battery from 1000 to 5000. All this affects its cost.
- Li-ion Li-ion. They differ in the form of finger batteries. With identical dimensions, they are more compact with Li-pol. This is not a particularly durable and cheap option, which is enough for about 1000 charge / discharge cycles. These batteries have higher energy loss and self-discharge, and they heat up more.
The most important indicator is battery capacity.
Everyone who is going to buy a power bank first of all looks at its capacity indicator. This characteristic of the battery is the most important. It demonstrates which technique and how many times it can be recharged. You should not chase record high rates - first you need to decide on the application scenario:
- If you need an external battery to charge your smartphone, and you rarely go on long hikes and business trips, then you can safely take a “jar” that does not have a very high capacity. Thanks to this, the gadget will be light and compact. A universal formula is used to calculate the required battery capacity: the battery capacity is multiplied by 2 - 2.5 in order to charge the device a couple of times. For a smartphone with a 3000 mAh battery, an external battery of 6000 - 8000 mAh is suitable.
- To discharge the tablet, you need to choose batteries for 10 - 20 thousand mAh. This device will weigh approximately 350 - 400 g, so you need to be prepared for the presence of additional weight in the bag.
- The largest power bank is necessary for charging various equipment or in cases where you are without access to a power outlet for a long time. In this case, it is better to choose a more powerful external battery, from 10 thousand mAh. There are even miracle batteries with a capacity of more than 20 thousand mAh, but these products are for tourists who have been away from civilization for a long time. These devices are equipped with adapters for charging a laptop.
It makes no sense to take a power bank with a capacity indicator of less than 4 - 5 thousand mAh, and in terms of cost there will not be much savings.
Manufacturers may somewhat exaggerate the actual value of battery capacity. Often Chinese little-known companies sin with this. There are cases when a capacity of 58 thousand mAh is declared in a lightweight case. When purchasing an external battery in a store, you can use a special USB battery tester to check the indicated figures. This tester is sold for 2 - 3 dollars in Chinese online stores.
It is important to remember that the manufacturer reports the value of the battery capacity, taking into account the voltage of the used built-in batteries at 3.7 V. When the gadget is connected, the energy is transmitted with a voltage of 5 V, and then again converted to be supplied to the phone with an indicator of 3.7 - 4.2 V. Due to the double During conversion, part of the energy is lost, and in some cases, losses can be 20 - 30%.
Do not be upset if a 10,000 mAh external battery charges a tablet with an identical capacity only by 70 - 80%. At the moment, this is a cost of technology and a completely normal value.
The second important indicator is the current strength
If you do not go into technical points and details, then the higher the current strength, the faster the gadget will be charged from an external battery. When choosing a power bank, it is imperative to clarify with what current value you can charge a tablet or smartphone so as not to harm the device. This information should be on the supplied charger.
- It is undesirable to take up to 1 A, but you still need to try to find such a battery. Such batteries are suitable for charging simple phones.
- 1 - 1.5 A - this is ideal for charging most modern smartphones. If the current value is less, then the charging process will be annoyingly slow. If you charge a smartphone with a sufficiently capacious battery, which will also be used in parallel, then you may not see an increase in the percentage of charging at all. There is a limit to everything: it is better not to connect to the smartphone's 2A port unless you are sure that this will not damage the device.
- 2 - 4 A - option for tablets. If you need to more or less quickly charge the tablet from a power bank, then you can safely take a portable battery of at least 2 A.
There are smartphone models that have a charge controller that limits the current. For example, the Sony Xperia Z3 is limited to 1.5 A, and if you connect it to a battery with a 3 A connector, the current will be limited, and the smartphone will still receive only 1.5 A. These safety measures are provided by the manufacturer.
The implementation has external batteries that support the fast charging function. If you use it, then the voltage increases, and the current decreases. This ensures that the smartphone is charged by 50 - 60% in 30 - 40 minutes. The exact data depends on which power bank for the phone is used in a particular case.
Due to improper storage and transportation of the battery, its actual capacity may decrease.
Number of ports
Often, power banks have one USB port, sometimes there are two, and models in which three or more outputs are rare. According to many users, multiple ports are considered a must.
Choosing a portable battery with multiple USB ports is necessary if you have a large number of gadgets and you are sure that there will be situations when they have to be charged at the same time.
From a power bank with several outputs and a small capacity indicator, there will be absolutely no sense at all. It makes no sense to pay attention to such models. If the external battery has several ports, then they can be used normally with a capacity value of at least 10,000 mAh.
Another nuance stands out. In theory, different ports are designed to simultaneously charge a tablet and a smartphone, so the manufacturer often supplies them with different current strengths (1 A and 2 A).
An indicator of 2 A is achieved when only one device is charged. Therefore, if you connect two gadgets at the same time, most likely, two ports will only give 1 A each.
How is the power bank charged?
When charging your gadgets, the portable battery loses energy. It is also subject to self-discharge. If you do not use the battery, then in two weeks it loses approximately 5% of its charge. Over time, the battery capacity decreases, especially if the gadget is actively used: in 1 year, a high-quality product loses about 15% of its capacity, and cheap models even 35%.
To control the level of charge, these batteries are equipped with special LED indicators, consisting of 3-4 bulbs. The most advanced option is to use a small display, where the percentage will show the exact state of charge of the battery.
Portable batteries according to the method of charging are divided into the following groups:
- Powered by computer USB port only.
- Receiving energy from the computer and from the network, by connecting to a conventional outlet.
Naturally, the second option is the most convenient. That is why the first type of batteries has almost completely disappeared from the market. Remember that it takes much longer to charge the product from a computer, and using the USB Type-C interface can speed up the process. In some portable batteries, charging is carried out in record time due to the special fast charging function.
An interesting option was charging using solar cells. It is too early to say that solar energy will become a full-fledged source for powering an external battery. Now solar panels are installed at the end of the device to compensate for self-discharge.
You can pay attention to the power bank with a built-in flashlight. They come in handy when hiking or when there is a power outage.
Most portable gadgets have a micro-USB interface, and manufacturers often bundle products with a universal cord. For owners of Apple gadgets and outdated equipment, models with universal adapters are suitable. Most users need not worry. They will be able to use the charging cord that comes with the smartphone.
Dozen of the most powerful: the best external portable batteries
When choosing the best power bank, you should trust products from famous brands. So there will be more chances that the real values will correspond to the declared ones, and the battery will definitely be durable. Today, the market for portable batteries is oversaturated, there are a lot of models and manufacturers.
Manufacturers include CaseGuru CGPower, Xiaomi, Remax, Canyon, Romoss, HIPER, TP-LINK, Samsung, Monax and ASUS. Therefore, it is not easy to choose the best power bank, especially considering different user requests. Let's look at the review of the power bank, in which we will find the most interesting models.
Wireless Power Bank CaseGuru CGPower
- The price is approximately 38 dollars.
- Capacity 8000 mAh.
- Built-in Micro USB/Type C cable and Lightning adapter (for iPhone).
- Modern technology of wireless smartphone charging.
- Digital display.
- It is possible to simultaneously charge three devices at once.
- Micro USB and Type C input.
- Exit 2A.
- You don't need to buy anything, because all the wires are included!
The Wireless Power Bank is quite an up-to-date portable charger that can recharge your gadget for several days in places where there is no electricity. Using Power Bank CGPower you can increase the autonomy of your everyday gadgets by more than 1-2 days.
Of the nice additions, we can highlight a small price and the absence of the need to purchase new adapters and cables for its further operation.
Xiaomi Mi Power Bank 2 10000
- The price is approximately $20.
- Capacity 10000 mAh.
- Fast charging function.
- Metal body material, weight 228 g.
- Battery type - Li-Polymer.
- The input current is 2 A.
Xiaomi portable batteries have become a guarantee of quality. The manufacturer's goal is to create practical, durable and functional equipment at an affordable price. Xiaomi smartphones are already called Chinese Apple. In the power bank category, the company is in a confident first place and offers customers several models at once. In this option, the capacity, quality and price of the battery are maximally balanced.
Among the main advantages: streamlined shapes, the presence of fast charging, a metal case, a USB-micro-USB cable is included. Another pleasing rich color gamut and the use of protection against overheating, short circuit, overload. LED charging indicator. The guarantee of the originality of your Xiaomi will be a special code applied under the scratch strip. You can check it on the manufacturer's website.
Xiaomi Mi Power Bank 5000 is the thinnest
- The price is approximately 15 dollars.
- Capacity 5000 mAh.
- Metal case, weight 156 g.
- Battery type - Li-Polymer.
- The input current is 2 A.
This is an analogue of the previous model, only it is more compact. The device can easily be hidden in a purse or pocket, and at the same time it is capable of recharging a regular smartphone by 1-1.5 times. There is no fast charging function here, but protection against overloads, overheating and a wealth of possible colors have been preserved. When charging a smartphone with such a battery, you can continue to use the device normally.
Xiaomi Mi Power Bank 20000 - supports fast charging!
- Capacity 20000 mAh.
- Fast charging function, 2 USB connectors.
- Battery type - Li-ion.
- The input current is 2 A.
- At the output, the maximum current strength is 2.1 A.
Chiomi has created portable batteries for all needs. A true 20000 mAh beast will be suitable for users who need a large supply of power. It can charge two products at the same time.
Plastic was chosen to frame the case, since a power bank would have come out too heavy from metal. With Qualcomm Quick Charge 2.0, the external battery charges quickly, has an LED indicator, overload and overheat protection.
ASUS ZenPower 10050 mAh ABTU005
- Capacity 10050 mAh.
- Metal case, weight 215 g.
- Battery type Li-ion.
- The input current is 2 A.
- At the output, the maximum current strength is 2.4 A.
ASUS has released a good competitor to Chiomi's portable batteries. The device is clad in metal. This small external battery has an average and quite sufficient capacity value.
There is protection against short circuit and overload. Huge selection of colors, LED indicator. In order not to scratch the metal case, it is better to use a case for it.
The HIPER XP17000 power bank is one of the best!
- The price is approximately 50 dollars.
- Capacity 17000 mAh.
- Plastic case, weight 338 g.
- Two USB connectors.
- Battery type - Li-Polymer.
- The input current is 3 A.
- At the output, the maximum current strength is 1.3 A and 2.3 A.
If you are looking for a portable battery with a wide functionality and premium appearance, then this model will be an excellent choice. The skin is coated, the product is edged around with a chrome strip, a really impressive look is obtained.
The performance indicators are also pleasing, especially the current strength and capacity. According to users, there is no self-discharge. In all respects, this portable battery is one of the best today.
Xiaomi Mi Power Bank 16000
- The price is approximately 40 dollars.
- Capacity 16000 mAh.
- Two USB connectors.
- Metal case, weight 350 g.
- Battery type Li-ion.
- The input current is 2 A.
This external battery with a capacity of 16,000 mAh looks like an elongated metal bar. The main advantages include the presence of two USB outputs with the ability to simultaneously charge two products. There are several levels of protection. There is no fast charging power bank function, it will take about 9 hours to fully replenish the energy.
The product holds a charge perfectly and is assembled with high quality, as evidenced by user reviews. Beware of fakes, and a genuine gadget from Xiaomi can be checked on the official website of the company.
HIPER EP6600 is the most unusual power bank!
- The price is approximately 30 dollars.
- Capacity 6600 mAh.
- Plastic case, weight 193 g.
- Battery type - Li-Polymer.
- The input current is 2 A.
- At the output, the maximum current strength is 2.1 A.
The compact power bank has a "big-eyed" design. The external battery looks really cool. Charge indicators are implemented in a similar way. The device is compact and fully complies with the parameters declared by the manufacturer. Low self-discharge. Easy to operate, fits easily into a bag. It is identical in size to a smartphone with a 5.2 inch screen.
Canyon CNE-CPB156 is the most ergonomic Power Bank!
- The price is approximately 35 dollars.
- Capacity 15600 mAh.
- Two USB connectors.
- Plastic case, weight 440 g.
- Battery type Li-Polymer.
- The input current is 2 A.
The model has a decent capacity, considerable weight, even despite the plastic case. The product is easy to charge two gadgets at once, LED indication. When buying, you should consider whether such a brick will be convenient for you.
HIPER Zoo 7500 - the cutest poverbank)
- The price is approximately 18 dollars.
- Capacity 7500 mAh.
- Two USB connectors.
- Plastic case, weight 186 g.
- Battery type - Li-ion.
- The input current is 1 A.
- At the output, the maximum current strength is 1 A and 2.1 A.
Inexpensive, compact, light and small power bank impresses with its appearance, as the gadget is dressed in leather. If the build quality is excellent, then the presence of two ports with the specified capacity remains in doubt. A beautiful appearance is maintained for a long time, since the skin, unlike metal and plastic, is not so susceptible to scratches. The device uses deep discharge protection. It turned out to be a functional and stylish product.
Pisen 10000 is a compact and capacious power bank!
- The price is approximately 13 dollars.
- Capacity 10000 mAh.
- One USB connector.
- Plastic case, weight 270 g.
- Battery type - Li-ion 18650.
- The input current is 2 A.
- At the output, the maximum current strength is 1 A and 2 A.
Due to its shape, this cute portable battery is able to fit perfectly in a bag. Other advantages include: optimal capacity, compact size, the ability to charge both a tablet and a smartphone at the same time. The kit includes a case, and the device is equipped with two-color LED charging indicators.
HOCO B20A - power bank with two flashlights!
- The cost is approximately $22.
- Capacity 20000 mAh.
- Has led indicators.
- Plastic case, weight 500 g.
- Battery type - Li-Polymer.
- At the output, the maximum current strength is 2.1 A.
This external battery will be a status accessory, as it has small dimensions and is dressed in leather. If you need a power bank with a display, where the percentage will show the degree of charge, then this model will interest you. Equipped with two USB ports, there is a 18650 lithium battery inside. Most likely, the developers pursued the goal of creating a small but very capacious battery that will be able to recharge your smartphone more than once.
Romoss Sense 6/6 Plus is one of the most bought on Aliexpress!
- The price is approximately $25.
- Capacity 20000 mAh.
- Two USB connectors.
- Body made of ABS plastic, weight 535 g.
- Battery type - Li-Pol.
- The input current is 1 A.
- At the output, the maximum current strength is 1 A and 2.1 A.
Our review of the best portable batteries continues with a product from Romoss. This power bank is interesting with four orange battery charge indicators, two USB ports and a cord included.
Equipped with a high quality chip, this portable charger will protect your device and guarantee a long battery life. 20000mAh large capacity can meet your daily demands. In addition, this power bank is equipped with the function of protection against overload and overdischarge, as well as protection against short circuit. Portable and handy assistant for all people on the go!
Finally, we note that in order to increase the operating time of your portable battery, it is necessary to prevent its complete discharge. It must be charged only with such a current strength, which is given in the characteristics. If there is no vital necessity, do not use the device and do not charge it at critically low and high temperatures.
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