Whether you're on the go, on vacation or just at home, using an external battery prevents you from running out of charge on a smartphone or tablet. For you, we have reviewed the 25 best external batteries of the moment. Rechargeable shell or standard power bank, our guide has what you need.
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Our selection
"The Anker PowerCore Essential 20000 is a high capacity external battery, capable of charging 2 devices simultaneously. This power bank combines quality, security and affordable…"
"The Poweradd EnergyCell is an external backup battery with an attractive design, very small and light. It offers a fast charging solution and is very…"
"Made by Kilponen, this external battery has an exceptional capacity of 26,800 mAh. It can charge 2 devices at the same time and quickly while…"
"Aukey is one of the most reputable external battery manufacturers on the market. This 20,000 mAh model is no exception with its large capacity and…"
The Anker PowerCore Essential 20000 is a high capacity external battery, capable of charging 2 devices simultaneously. This power bank combines quality, security and affordable price.
See priceWith its 20,000 mAh capacity, the Anker PowerCore Essential 20000 can charge a smartphone up to 5 times before running out of power. This external battery is equipped with technologies that allow it to adapt to the charging mode required for each device. You can charge 2 devices at the same time. On the safety side, this model benefits from MultiProtect technology, which regulates temperature and current, and protects the battery against power surges.
You can choose between USB type-C or micro-USB to charge this external battery. Its designer shell incorporates a blue LED display to indicate the amount of charge remaining. Despite its high capacity, the weight does not exceed 450 g for a thickness of 1.8 cm. It accompanies you for all your travels to ensure a perfect autonomy of your mobile devices.
The Poweradd EnergyCell is an external backup battery with an attractive design, very small and light. It offers a fast charging solution and is very discreet. It also has a very affordable price.
See priceCylindrical in shape, the Poweradd EnergyCell measures 11 cm high and 2.7 cm in diameter. Despite its compactness and its very light weight (99 g), this external battery is not a toy! Not very cumbersome, it finds easily place in a pocket. And the lithium-ion cells have a capacity of 5,000 mAh.
Several safety devices protect it against overloads and voltage irregularities. Almost all smartphone models available on the market can be charged with this Poweradd model. The charge indicator and a circle divided into 4 (25% each time), convenient to know the reserve rate of the battery. Simple, pretty, cheap and discreet, here is a product that you will not do without.
Made by Kilponen, this external battery has an exceptional capacity of 26,800 mAh. It can charge 2 devices at the same time and quickly while accepting most smartphones and tablets on the market.
See priceThe first thing that attracts with this external battery is its capacity: 26 800 mAh! You can rarely find better on the market. For vacationers, professionals on the go and social networking enthusiasts, this Kilponen 26 800 mAh is the power bank to have. It has 2 USB ports for simultaneous charging of 2 devices. The 4 LED lights indicate the remaining charge.
Its design and size have been thought to fit in a pocket during transport. The li-ion cells have a protection against overheating, overvoltage and overcharging. The Kilponen 26,800 mAh is compatible with a wide range of smartphones, tablets, portable game consoles and even some laptops. At this price, it's not worth it.
Aukey is one of the most reputable external battery manufacturers on the market. This 20,000 mAh model is no exception with its large capacity and the ability to charge 2 devices at once.
See priceThis external battery from Aukey has a capacity of 20,000 mAh. On average, it charges any mobile device 4 times. In addition, it can charge 2 tablets in parallel and quickly. All devices that can be charged or powered via USB are compatible with this external battery.
Various protection systems equip it for more safety against overcharging or overheating, including AirPower technology that regulates the amount of amperage offered. As a result, the amount of output current is always adapted to the device being charged. Despite its 388 g, the Aukey 20,000 mAh can fit in a pocket.
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| TOP OF THE LINE | CHEAP | TOP OF THE LINE | EXCELLENT | |
In accordance with our commitment, this buying guide does not contain any sponsored products. |
8/10 |
7/10 |
8/10 |
8/10 |
| OUR SELECTION |
Anker PowerCore Essential 20000
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Poweradd EnergyCell
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Kilponen 26 800 mAh
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Aukey 20 000 mAh
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The Anker PowerCore Essential 20000 is a high capacity external battery, capable of charging 2 devices simultaneously. This power bank combines quality, security and affordable price.
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The Poweradd EnergyCell is an external backup battery with an attractive design, very small and light. It offers a fast charging solution and is very discreet. It also has a very affordable price.
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Made by Kilponen, this external battery has an exceptional capacity of 26,800 mAh. It can charge 2 devices at the same time and quickly while accepting most smartphones and tablets on the market.
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Aukey is one of the most reputable external battery manufacturers on the market. This 20,000 mAh model is no exception with its large capacity and the ability to charge 2 devices at once.
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Battery life
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Capacity
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20,000 mAh
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5,000 mAh
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26,800 mAh
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20,000 mAh
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Maximum output power
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2.4 A
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2.4 A
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2.1 A
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2.4 A
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Number of USB ports
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2
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1
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2
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2
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Weight
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350 g
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99 g
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350 g
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388 g
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The choice of your power bank will depend mainly on the use to which you predestine it. There are power banks for cell phones (with a medium capacity) and power banks for touch tablets (with a capacity of at least 4,000 mAh).
The maximum charge of the internal battery is an essential component to take into account when you buy your power bank. Its capacity is expressed, in a general way, in milliampere-hours (mAh). It represents the amount of energy stored. The higher the value on the power bank, the more power it provides and the longer it lasts. For optimal use of the external battery, it is advisable to buy a power bank with a capacity equal to or greater than the device it will charge. It so happens that the latest generation of external batteries usually hold a capacity of 15,000 mAh.
The power bank should promptly charge the battery of your device. Expressed in amperes, the charge ranges from 1 to 3 amps. The higher the amperage, the faster the battery charges. If your device requires 2 A and your accessory only charges at 1.5 A, the transfer will be slow. So check the current output of your power bank. Choose the one that offers the widest range of compatibility.
A
power bank needs to recharge to be functional again. It is therefore imperative that the recharging speed of your external power bank battery is fast. The recharging time depends mainly on the capacity of the battery and the current accepted at the accessory's input. The higher these are, the less time it takes to recharge. So, to distinguish a good power bank from a low-end model, it is essential to take into account the promptness of recharging the device.
For those who move around quite frequently, a compact power bank becomes a must-have accessory. It is therefore preferable for this category of users to choose a less bulky external battery. It should also not be heavy to carry. Some models display the charging time of your device and the device it will charge. This is a significant plus.
An external battery is a device that is used to recharge a device such as a cell phone, a tablet or others via a USB cable and anywhere. It is a nomadic recharging device that is very practical during travels and trips. They also act as a backup battery on a daily basis to avoid battery failure.
The principle of operation of an external battery is quite simple. The battery is charged from a power source or a computer. It accumulates current and stores it. Once it is charged, it can be used as a conventional charger. You plug the device to be charged into the battery and it charges the device.
External batteries are divided into 2 categories: standard external batteries and rechargeable shells.
These batteries come in several forms: shockproof, thin, cylindrical ... They have one or more charging ports. But the connection with the device to be charged is made with a USB cable. To charge a cell phone on a daily basis, a 2500 mAh model is sufficient. But for a user on the move frequently, it is advisable to choose an external battery of at least 10,000 mAh and having more than one charging port to connect several devices.
Battery shells differ from traditional external batteries in that they have a more massive, thicker look. These batteries plug into the back of the smartphone. They are suitable for people who want a battery that fits perfectly to their smartphone and without a cable. They are more ergonomic. This type of external battery is more practical but has the disadvantage that it can only be adapted to a specific model of phone.
Standard external batteries are versatile, suitable for many types of mobile devices. They go everywhere with you. But the USB cable that connects the battery and the device to be charged is rather awkward and unattractive. Some models allow you to charge several devices simultaneously.
The rechargeable shells have a principle identical to a classic power bank. The phone is plugged into the rechargeable shell to give it extra autonomy. The size or thickness of the shell is proportional to its capacity. Ergonomically, no need for a USB cable for the connection. But each rechargeable shell is indicated for an exclusive phone model.
In summary, rechargeable cases are more ergonomic and aesthetic, but fit exclusively to a specific type of mobile. Standard external batteries are versatile and fit most types of existing devices, but less ergonomic.
Here are some reasons to buy a good external battery.
It goes with you wherever and whenever you go.
External batteries make life easier for users by providing extra power to extend their activities. So they support you during a battery failure, anytime, anywhere. Thanks to their light weight, you can take them anywhere without any hindrance.
The ultimate emergency accessory.
Although its primary function is to charge smartphones and tablets, these days an external battery can charge a huge number of devices such as handheld consoles, GPS devices, GoPro, MP3 players, digital cameras, smartwatches or even electronic cigarettes.
If the power of the connected devices is equal to or less than the capacity of the power bank, its use is not dangerous. It is therefore important to check the compatibility of your devices with this accessory before using it.
It is very practical when you are on the move.
When you are on the go, on a train or a bus, your options to kill time are limited as is the battery life of your smartphone or handheld console. So, owning an external battery means you can continue to watch your favorite show, browse social networks, read the latest news, or play your games without ever running out of battery.
It has a very attractive design.
A power bank is now a fashion accessory in its own right in the world of technology. There are many colours and shapes to choose from, to match your phone and your personality. World-renowned brands partner with top manufacturers to bring you the best products.
It is a state of the art tool.
A power bank can act as a communication channel with others. You can use this device to make new connections and expand your circle of friends. Nowadays, there are smart external batteries that can detect your smartphone, or that allow a faster and safer smart charging, not to mention interesting options such as radio, lamp, Bluetooth speaker...
In our opinion, the best brands of external batteries in 2022 are :
RAVPower external batteries feature an attractive design and great performance. The brand offers models that can charge devices over several days.
The Anker brand is a well-known brand in the energy field. It has a multitude of high capacity external battery models. Its batteries are of high quality and provide a charge in a short time for the devices connected to them. These products are up to date and have a trendy look.
It is a Chinese high-tech brand. These external battery models are optimized for transportation, thanks to their small thickness and light weight. The brand's external batteries are high performance and high capacity.
The Aukey brand's external batteries have a chic appearance and offer performance that lives up to its reputation. They have a large capacity and will be of great help during your travels, especially in the absence of a power source to recharge your various devices. Especially since some models have multiple charging ports.
The iMuto brand has several models of external batteries that have a great manufacturing quality. You can find models of the brand with a capacity of 30,000 mAh. These external batteries offer fast charging, allowing your devices to get an optimal charge in a short time. Especially since many of these products have multiple ports.
The diagram below will help you to get an idea of the typical prices for each price range (entry-level, mid-range and high-end).
However, more expensive does not necessarily mean better.
We therefore advise you to always consult our ranking before deciding, rather than blindly relying on price ranges.
Avoid charging at 100%.
When a power bank is recharged, the remaining 20% will take much longer than the first 80%. Moreover, when a battery is left connected when it is already at 100%, it still consumes energy to recharge. This will waste battery life, and also risks wearing out the battery much faster.
Keep your power bank cool.
Power banks, like all other electronic devices, can get hot. Keep your power bank cool. Store it in a place that is not exposed to heat. Don't leave your power bank in the sun, unless it's a solar power bank, in which case that's its purpose.
Buy a dedicated USB cable for your power bank and store them together at all times.
It's
easy to lose track of USB cables, so make sure you always have one handy so you can use your power bank at any time.
Keep your power bank dry.
You
risk shorting out and damaging your power bank if you get it wet. It's also dangerous for your phone (the wet power bank can cause a short circuit there) and for you (you could be electrocuted while using it). Make sure to keep your power bank dry at all times. This includes keeping it out of the rain as well as keeping it out of your pocket when it's hot, as you could sweat directly on the device.
If you are often in a hurry, consider a power bank with Quick Charge technology.
With
this technology, some Android phones can charge much faster than others. With fast charging, a phone that is taken care of can receive up to 80% of its battery in 30 min.
These few criteria will allow you to choose a good portable external battery that will accompany you everywhere. First of all, you need to consider its capacity, as this will determine the use of the external battery. Also consider its charging speed and the number of devices you can charge simultaneously. If you're on the move a lot, consider including the weight and ergonomics of the external battery among the criteria.
An external battery is an equipment that will allow you to charge different devices without putting them under the mains. To do this, it stores electricity to recharge in turn your phones, tablets, lamps, alarm clocks, etc. To use it, simply connect the external battery cable to your device and wait for the internal battery to recharge as if the device was placed under the mains.
Newer laptops can indeed be charged with an external battery. In addition to the classic criteria, the computer will need to incorporate a USB-C port or have a micro-USB cable linked to an AC/DC adapter. Caution is advised, as the computer's internal battery often requires a power bank with an output power of more than 40 watts for the least demanding models and 65 watts for most other laptops.
If the battery of your phone or computer fails at an unexpected moment, if you find yourself in a place without electricity, if you move often, an external battery or a Power Bank will save you the day. This practicality and functionality is enough to justify the purchase of an external battery that will recharge your devices at any time.
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