Nowadays it is impossible to conceive a life without smartphones and mobile devices that constantly help us make payments, find streets, restaurants and any other type of information, also representing a good percentage of our daily entertainment.

Of course, these activities involve a considerable consumption of the device battery, greatly reducing the canonical 24 hours of use of a smartphone.

External batteries, or power banks, are useful devices especially for those who spend most of the day away from home since they allow access to a variable energy supply based on its nominal capacity, available for any USB device.

Here we have selected the best Power Banks for you. These can be a great present for a person who’s mobile charging is always low.

RANK NO. 1
Anker Portable Charger, 313 Power Bank (PowerCore Slim 10K) 10000mAh Battery...
  • Quality Throughout:Built adventure-tier touch with superior durability and scratch resistance, PowerCore Slim 10000 is premium...
  • Slim Size, Big Power:One of the slimmest and lightest 10,000mAh portable chargers on the market. Provides 2.25 charges for iPhone...
  • Versatile Charging: Anker's exclusive PowerIQ and VoltageBoost technology combine to detect and deliver a tailored charge up to...
  • Superior Safety:Anker’s comprehensive MultiProtect safety system includes overcharge protection, short circuit protection,...
  • What You Get: PowerCore Slim 10000 portable charger, Micro USB cable (to charge the power bank, USB-C cable and Lightning cable...
RANK NO. 2
Portable Charger Power Bank 30,800mAh LCD Display Power Bank,25W PD Fast...
  • 【Super-Fast Charging】portable charger Power bank high capacity The 30,800mAh power bank could charge your phone at least 6-8...
  • 【Import Intelligent Controlling IC】 The portable charger adopt Import Intelligent Controlling IC to prevent power bank...
  • 【3 Output -Charge 3 Devices At Once】Power bank with 3 Output Ports - QC4.0 output, PD output, 2.1A USB output, you can charge...
  • The Latest Smart Chip, LCD Digital Screen Design Portable Charger, Leading the Fashion.
  • 【Universal Compatibility LCD display】 portable charger is universally compatible with all products via USB charging cable,...
SaleRANK NO. 3
Solar Power Bank,Solar Charger,42800mAh Power Bank,Portable Charger,External...
  • Power bank has a large battery capacity of 42800mAh, and uses high-density batteries to load a larger capacity without changing...
  • Solar power bank uses strong professional ABS material, Chemical resistant, heat-resistant, and has super surface hardness, high...
  • Power bank is equipped with a super bright LED flashlight with a long range, It can work continuously for up to 100 hours.
  • Solar power bank is compatible with all USB devices such as smartphones and tablets. The product has 2 USB output ports, if the...
  • Friendly reminder:When the solar panel is being cared for, it will generate current to charge the battery, and the indicator light...
RANK NO. 4
Anker Portable Charger, 325 Power Bank (PowerCore Essential 20K) 20000mAh...
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides more than 5 charges for iPhone XS, almost 5 full charges...
  • Advanced Charging Technology: Anker's exclusive PowerIQ and VoltageBoost technology combine to deliver an optimized charge to your...
  • Simultaneous Charging: Twin USB ports allow you to charge two devices at the same time. The USB-C port cannot charge other...
  • Versatile Recharging: With both a USB-C and Micro USB input port, you have more options over how you recharge. Recharging...
  • What You Get: Anker 325 Power Bank (PowerCore 20K), Micro USB cable (to charge the power bank), welcome guide, our worry-free...
SaleRANK NO. 5
Anker Portable Charger, 347 Power Bank (PowerCore 40K), 40,000mAh Battery Pack...
  • High Capacity Hero: The super huge 40,000mAh cell capacity provides 8.8 charges for iPhone 13, 6.8 charges for Samsung S22 Ultra,...
  • High-Speed Charging: 30W USB-C charging gives you the power you need to charge up your iPhone 13 to 53% in just 28 minutes.
  • Power for 4: Equipped with 2 USB-A and 2 USB-C ports, the portable charger is ideal for charging your laptop, phone, tablet, and...
  • Wide Compatibility: Supports Power Delivery charging technology and works flawlessly with a wide range of devices such as laptops,...
  • What You Get: Anker 347 Power Bank (PowerCore 40K), USB-A to USB-C cable, 18-month stress-free warranty, and our friendly customer...
RANK NO. 6
Omni 20+ Bundle AC/DC/USBC Power Bank - Bundle with Protective Case and Fast...
  • 【Power Hub For All Your Smart Devices】From laptops to cameras, drones, and smartphones, Omnicharge can keep all your devices...
  • 【Extensive Features】All-In-One power solution with high powered AC, USB-C PD for laptops, Wireless charging, QC 3.0 USB-A,...
  • 【High Powered, Fast Charging】71wh (20000mAh) battery capacity. Charge safe and fast with high charging efficiency. 100 watt AC...
  • 【Carry Less, Power More】Carry one cable to charge your laptop using USB-C or DC output while charging your Qi-compatible...
  • 【Accessories】The Omni 20+ Bundle includes a USB charging cable, a USB-C charging cable, Fast Charger and Protective Case. NOT...
SaleRANK NO. 7
mophie Power Boost XXL Power Pack- 20,800 mAh Internal Battery, Dual USB-A...
  • RELIABLE POWER FOR YOUR DEVICES - Never run out of battery with the mophie Power Boost XXL Power Pack that features a 20,800 mAh...
  • HIGH OUTPUT CHARGING - The versatile power bank extends your device's battery by 8X. Equipped with 2 USB ports with 4.2A of power...
  • INTUITIVE LED INDICATOR - The Power Boost XXL has an integrated four-light LED power indicator that notifies you of the current...
  • CONVENIENT, PORTABLE DESIGN - Featuring a portable design, this power bank is easy to carry in your pocket or bcakpack. Perfect...
  • INCLUDES EVERYTHING YOU NEED - The wireless charging station comes with a USB-A to Micro USB charging cable so that you can...
RANK NO. 8
Omni 20+ 20000mah Laptop Power Bank | AC/DC/USB-C/Wireless Battery Backup for...
  • 【Power Hub For All Your Smart Devices】From laptops to cameras, drones, and smartphones, Omnicharge can keep all your devices...
  • 【Extensive Features】All-In-One power solution with high powered AC, USB-C PD for laptops, Wireless charging, QC 3.0 USB-A,...
  • 【High Powered, Fast Charging】70wh (20000mah) battery capacity. Charge safe and fast with high charging efficiency. 100 watt AC...
  • 【Carry Less, Power More】Carry one cable to charge your laptop using USB-C or DC output while charging your Qi-compatible...
  • 【Accessories】The Omni 20+ includes a USB charging cable and a USB-C charging cable. NOT INCLUDED: Fast charger and DC cables...
SaleRANK NO. 9
INIU Portable Charger, 22.5W 20000mAh USB C in & Out Power Bank Fast Charging,...
  • ✅【From INIU--the SAFE Fast Charge Pro】Experience the safest charging with over 38 million global users. At INIU, we use only...
  • ✅【Charge Your Phone up to 58% in 30 Mins】With the upgraded 22.5W output plus the latest PD3.0 & QC4.0 fast-charge...
  • ✅【Charge Your iPad Pro up to 34% in 30 Mins】Most power banks in the market cannot charge your iPad or charge at a snail’s...
  • ✅【2022 Version USB C Input & Output】Unlike most chargers featuring a USB C input only, INIU MegaPower 22.5W has a USB-C In &...
  • ✅【7 Days of Safe Power】Enjoy a full week’s worth of charging capacity with the airline-approved 20000mAh power bank.
RANK NO. 10
2-Pack Miady 10000mAh Dual USB Portable Charger, Fast Charging Power Bank with...
  • 【2-Pack 10000mAh Power Bank】Two 10000mAh battery packs not only for portable charging but also around the home. Allowing you...
  • 【Dual Output & Input】Each has 2 USB output ports that detect all the connected devices and efficiently distributes the current...
  • 【Reliable Li-polymer Cell】Thanks to the Li-polymer battery pack, the charger is much safer than any Li-ion charger. Also, it's...
  • 【Small & Slim】It feels incredibly compact for a 10000mAh power bank, weighing just 218g and only 14mm thick. Grippy design is...
  • 【What You Get】2 * Miady 10000mAh USB Portable Charger (White & Black); 2 * USB Cable (Lightning cable is not included)); 1 *...

Buying Guide – How To Choose the Best Power Bank?

Capacity and Speed

Modern smartphones are getting thinner and if, on the one hand, the design benefits, on the other hand, the battery size is getting smaller and smaller.

At the same time, functions and energy consumption increase and the problem of autonomy often insufficient for the needs of users, especially of those who use it intensively, is not solved.

External batteries represent an effective response, provided that certain factors are taken into account, such as, for example, the capacity expressed in m ah.

If you have a latest-generation smartphone such as an i phone 6, you could choose a very capable power bank with 20,000 m ah that allows you to recharge it even seven times before having to be charged in turn. In this way you can stay calm for days even away from power sources, knowing that you can count on a reliable battery at any time.

Also take into account the charging times of these accessories which are sometimes incredibly long, perhaps too much for your needs.

It is not only important to be able to charge your device several times, but also to do it as quickly as possible. In this case, we must consider the output current from the ports which are expressed in amperes.

Technology

we talked about ports, in the plural, not surprisingly because external batteries with two USB ports and not only one are widespread on the market, ensuring an important advantage and, that is, that of being able to recharge two devices at the same time, ideal if you often go out with more than one smartphone.

Power banks are often technologically very advanced accumulators and the best brand models are those that automatically recognize the optimal energy needed by the two devices connected simultaneously, releasing the adequate one for each.

The advantage is faster and safer charging, both for the devices and for the battery itself.

Without this function, by connecting two smartphones with different powers, the charging times would be longer because the energy would be distributed equally on both ports.

In short, the models equipped with the most modern technology allow a better and safer refill because they adapt better than others to any brand and model that will be refilled with maximum efficiency and speed.

Design and Dimensions

Of the other components that could influence your choice are, of course, the price but also the design and size. The design has its importance from two points of view: firstly, for an aesthetic fact; many companies make particularly attractive models with different colors to improve their appeal.

Secondly, because it is important to have a handy external battery in your hands that does not scratch at the first impact, with a coating that does not leave unsightly fingerprints.

As for the size, the batteries are not the same because they can all go into the glove compartment of the car or bag, but if you want maximum practicality you may prefer those with such a compact design that you can also put them in your pocket.

How to Use an External Battery

Internal Battery Wear

if you consider that these devices lose speed and efficiency over time, it becomes almost impossible to rely on a single recharge to face the day.

Fortunately, there are supports available on the market that can extend the use of your smartphone when no power outlet is available for quick recharging on the fly: these are external batteries.

Compactness and Capacity

they are more or less compact products, depending on the capacity, to be connected via USB cable to your favorite device, thus enjoying an additional battery.

If the first external batteries did not exceed 2,000 m ah, today it is possible to find very large ones, up to 10,000 m ah, which guarantees various recharges, preventing panic situations when the internal battery of the device reaches 1%.

Compatible Devices

before making the purchase you must consider compatible devices. Always look in the product data sheet for the name of your smartphone or tablet to be 100% sure to buy an external battery that is right for you, avoiding wasting money unnecessarily.

The models differ not only in capacity, size, and external appearance but also for the connections that can be USB, mini USB, micro USB up to the most modern USB type-c and the lightning system used by apple.

Recharge One or More Smartphones

Ask Yourself This Question: How Many Devices Do I Always Carry with Me?

Some external batteries are equipped with more than one USB slot, just to meet the needs of those who, for work or for other types of needs, need different smartphones, tablets or even digital cameras.

The ability to connect them all simultaneously to the same external battery is certainly a convenience to consider.

Use

The operation is extremely simple. First of all, make sure to charge the external battery to the maximum. Then leave it overnight connected to your pc or charger if supplied with the product.

To check the battery charge status, there is usually bright le ds. When they are all completely on, you can disconnect it and, without forgetting the connection cables, take it with you. To use it with devices, all you have to do is connect it to them with the appropriate cable.

Never forget to check the status of the external battery before leaving the house, otherwise, you may find yourself with all the devices discharged and without the possibility of recharging them.

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