The Best Power Banks to Buy in 2021

A power bank is a portable battery that allows you to recharge a smartphone (or even a tablet or notebook) in case of need. Ideal for those who are often away from home or love to travel, there are various capacities and characteristics.

For this reason, we have decided to create a guide that can help you choose the best existing power banks that we are going to report below.

Before continuing and leaving you to our selection, it is good to answer a question that you often ask: ” how many times can I recharge my smartphone with a power bank? “. The power banks’ capacity is expressed in mAh: it is mistakenly thought that the package’s capacity or the device is the actual one.

To obtain a more or less truthful estimate, it is necessary to multiply the indicated number by a multiplication factor less than 1 resize it. Usually, this fluctuates between 0.7 and 0.85 in the best cases. For example, a 10,000 mAh power bank has an effective capacity ranging between 7,000 mAh and 8,500 mAh.

Best Power Bank: Which one to choose

Many people may want to use a USB power bank or external battery pack, but the real question is which power bank to choose? Commuters, who often use public transportation, may only need a small battery to give their phones a boost at the end of the day, while people who travel a lot may need to power more devices across long flights and airport stops. Rather than always having to track down a wall outlet wherever you go, a USB power bank provides a portable emergency power supply for any occasion.

There are various types of Power Banks and also various brands that produce them. Something about the size of a wallet is great to always have on hand for those unexpected (but critical) moments when the phone is dying, and there are no other recharging options.

But if you are looking for something more capacious, perhaps for weekend trips or a regular commute, the slightly larger power banks can easily fit into laptop bags, backpacks, or large pockets and sometimes even offer two or more full refills for most smartphones.

And of course, you can also use them to charge other devices such as tablets, BlueTooth headphones, electronic cigarettes, digital cameras, and much more. Below you will find the best models and the best Power Bank brands that exist.

Best Power Banks: Our Selection

Before listing the best external chargers divided by price range or capacity, here is a selection of some power banks that we have tried, reviewed, and that has convinced us so much to go so far as to recommend them as among the best power banks there are at the moment.

RapidX Myport 10,000 mAh Power Bank, 10W Wireless Charging

RapidX Myport 10000 mAh Power Bank, 10W Wireless Charging (Qi-Certified) & Charging Stand, 1 USB-C Input/Output (18W), 1 USB Output for iPhone and Android - Black (RX-MYPORTBLK)
  • 10, 000 mAh battery capacity
  • Qi-certified wireless charging & 2 USB ports
  • Use myport as a power bank or wireless charging stand
  • Works with iPhone and Android devices
  • 1X USB-C PD 18W (input & Output), 1X standard USB port 18W

Truly terrific: it has everything (and more) that you could ask for. Not only does it work as a power bank, but it is also Wireless (supports 5W, 7.5W, and 10W wireless outputs) and can be used as a smartphone stand. It’s capacity? 10,000 mAh.

Anker PowerCore

Anker PowerCore Speed 20000, 20000mAh Qualcomm Quick Charge 3.0 & PowerIQ Portable Charger, with Quick Charge Recharging, Power Bank for Samsung, iPhone, iPad and More, Black (A1278)
2,641 Reviews
Anker PowerCore Speed 20000, 20000mAh Qualcomm Quick Charge 3.0 & PowerIQ Portable Charger, with Quick Charge Recharging, Power Bank for Samsung, iPhone, iPad and More, Black (A1278)
  • The Anker Advantage: Join the 20 million+ powered by America's leading USB...
  • Charge Faster: Qualcomm Quick Charge 3. 0 (24W) with Anker's proprietary PowerIQ...
  • 7 days of power: 20, 000mAh is enough charging power to fill iPhone 7 almost...
  • 6-Hour recharge: with quick charge input, a full recharge is over in half the...
  • What you get: Power core speed 20000, travel pouch, 60cm micro-USB cable,...

Anker has launched a new power bank model and this time, and it is a better external battery with a USB port at the user’s disposal with Quick Charge 3.0 support and a USB-C. Can use both to recharge your fast-charging compatible devices: the output is 24W. The capacity of this Anker PowerCore Essential is 20,000 mAh.

Best Power Banks for iPhone

Below you will find a series of the best power banks to buy if you have an iPhone:

Power Bank 10,000 mAh

With smartphones with exorbitant batteries, 10,000mAh on a power bank is the minimum to supply at least two charges. These are not too large, cheap, and that in some cases manage to include some details that make the difference, such as integrated cables or small displays.

Power Bank 20,000 mAh

To charge multiple devices simultaneously or multiple times throughout the day, a 20,000mAh power bank is essential. The dimensions are usually generous, and the weight is not exactly contained, but the prices are currently reasonable and comparable to those of 10,000mAh products.

Power Bank for Laptop

Not only smartphones and tablets can take advantage of power banks. Some devices can charge laptops with a large set of connectors.

Product prices and availability are subject to change. Any price and availablility information displayed on Amazon at the time of purchase will apply to the purchase of any products.

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