Phones and other portable devices have evolved at a rapid pace over the last decade, they became a lot faster, more capable, got greater storage capacity and a lot more features.

As a result the need for portable power has increased and to make your device last longer, you need the best power banks you can get.

You may think that this is the fine example of Moor’s law in practice, yet if you look at the battery performance – it could not be further away from the truth.

For one reason or another, the reality is that the battery storage development pace is not keeping up with other technologies.

Top battery pack review for 2018. Find the best power bank for your needs

This is where a good power bank will help you bridge this gap, but which one is the top power bank in 2020 that is most suited for your needs?

The amount of power banks available on the market today is simply astonishing. Making sense of all the options available is overwhelming, to say the least. There are literally hundreds of brands selling power banks, but which ones are actually worth your money?

Let’s look into this a bit closer as we have done the legwork for you. We have shortlisted the top 10 best power banks available on the market today.

Image Weight / Capacity / Size / Ports
Best Small – myCharge Adventure Portable Charger
Best small power bank for emergency top up and casual use.
3.2 oz 3350 mAh 110 x 50 x 24 mm 1
Best for iPhone – Ventev Powercell 6010+
Portable, stylish and features a built-in cable management solution for you iPhone. High speed charging, slim design and LED charging indicator.
6.7 oz 6010 mAh 130 x 68 x 18 mm 2
Best for USB-C Connection – Mophie Powerstation Plus
Sleek and portable design with USB-A and USB-C ports that can be charged in parallel. Both ports have cables built-in and support Fast Charge that is up to three times faster than a conventional wall socket.
6 oz 6 000 mAh 70 x 143 x 14 mm 2
Best Durable – Zendure A2 (Editor’s Choice)
The most rugged power bank in our review. It also looks great and is reasonably priced.
5 oz 6700 mAh 94 x 50 x 25 mm 1
Best For Camping & Hiking – Goal Zero Venture 30
Best outdoor power bank for camping, hiking, and other active sports. Tough and water-resistant body with a built-in flashlight.
8.9 oz 7800 mAh 114 x 82 x 25 mm 2
Best Value – Aukey PB-N50 (Editor’s Choice)
Great everyday power bank with loads of value and an affordable price tag.
6.7 oz 10 000 mAh 116 x 73 x 16 mm 2
Best Cheap – Anker PowerCore 10000
One of the best budget power bank with 10000 mAh capacity available on the market today.
7 oz 10 000 mAh 90 x 60 x 22 mm 1
Best Multi Device – RAVPower 16750mAh (Editor’s Choice)
One of the best power banks for demanding users. It features a couple of smart technologies to manage the optimal charge rate and extend battery life.
11 oz 16 750 mAh 127 x 81 x 22 mm 2
Best For Laptop – MaxOak K2
Due to its immence capacity, K2 is one of the best power banks for laptops and ultrabooks. Heavy and not exactly very portable, but extremely capable.
43 oz 50 000 mAh 205 x 135 x 33 mm 6
Top 10 Power Banks

Best Small – myCharge Adventure Portable Charger

Best small power bank for emergency top up and casual use.

3.2 oz 3350 mAh
110 x 50 x 24 mm 1

Best for iPhone – Ventev Powercell 6010+

Ergonomically designed for iPhones and pocket use. With fast charging and an integrated cable it is one of the best pocket power banks on the market.

6.7 oz 6010 mAh
130 x 68 x 18 mm 2

Best For USB-C Charging – Mophie Powerstation Plus

Sleek and portable design with USB-A and USB-C ports that support parallel charging. Both ports have connecting cables built-in and support Fast Charge that is up to three times faster than a conventional wall socket.

6 oz 6 000 mAh
70 x 143 x 14 mm 2

Best Durable – Zendure A2
(Editor’s Choice)

The most rugged power bank in our review. It also looks great and is reasonably priced.

5 oz 6700 mAh
94 x 50 x 25 mm 1

Best For Camping & Hiking – Goal Zero Venture 30

Best outdoor power bank for camping, hiking, and other active sports. Tough and water-resistant body with a built-in flashlight.

8.9 oz 7800 mAh
114 x 82 x 25 mm 2

Best Value – Aukey PB-N50
(Editor’s Choice)

Great everyday power bank with loads of value and an affordable price tag.

6.7 oz 10 000 mAh
116 x 73 x 16 mm 2

Best Cheap – Anker PowerCore 10000

One of the best budget power bank with 10000 mAh capacity available on the market today.

7 oz 10 000 mAh
90 x 60 x 22 mm 1

Best Multi Device – RAVPower 16750mAh
(Editor’s Choice)

One of the best power banks for demanding users. It features a couple of smart technologies to manage the optimal charge rate and extend battery life.

11 oz 16 750 mAh
127 x 81 x 22 mm 2

Best For Laptop – DBPower Q100

Due to its extreme capacity, K2 is one of the best power banks for laptops and ultrabooks we’ve seen. Heavy and not exactly very portable, but extremely capable.

43 oz 50 000 mAh
205 x 135 x 33 mm 6

1. Best Power Bank For iPhone – Ventev Powercell 6010+

If you like the convenience of just carrying one gadget, Ventev Powercell 6010+ is the battery pack to consider.

It has a built-in USB-C cable and foldout outlet prongs – you don’t have to bring an extra charger and cable just to keep it charged.

If you use an Apple device, Powercell 6010+ comes with a Lightning connector. Besides that, it can also function as a charger for your phone while charging itself.

Thanks to a 12W of total output, fast charging is always available.

Anker PowerCore Slim is the best best power bank for iPhone, especially if you like to carry it in your jeans pocket

Only slightly bigger than a Google Pixel, Ventev Powercell 6010 Plus is your perfect travel companion. Its 6000mAH battery capacity is in the midfield of modern battery packs, but its lightness more than makes up for it. The length of the USB-C cable is smartly designed as well, as it is long enough for you to maneuver a difficult charging port while short enough to keep your phone tethered to your side.

However, this battery pack is only designed for North American use since the built-in outlet prongs cannot be replaced by a different plug. It might not be for you if you travel outside of North America often unless you are willing to sacrifice its portability by bringing a travel adapter plug.

Bottom Line

Ventev Powercell 6010+ has everything you would expect from a battery pack and more – a built-in Lightning connector, foldout outlet prongs, and the ability to act as a wall charger for your phone. Although it is only designed for North American power outlets, Ventev Powercell 6010+ is easily one of the smartest design battery packs for traveling.

7.8/10
  • Capacity 80% 80%
  • Features 80% 80%
  • Ports / Connections 70% 70%
  • Value 80% 80%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Light and compact
Best portable charger reviews. Benefits, pros, cons and recommendations Foldout outlet prongs
Best portable charger reviews. Benefits, pros, cons and recommendations Works as a wall charger
Best portable charger reviews. Benefits, pros, cons and recommendations Quick charge and recharge
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations Only designed for North American power outlets
Best power bank reviews. Benefits, pros, cons and recommendations Built-in cable can be a bit stiff

2. Best Small Battery Pack – MyCharge Adventure Mini

At only 4.4” x 1.1” x 1.0”, MyCharge Adventure Mini fits perfectly in your pocket.

With this little battery pack, you can keep your phone charged without carrying a bulky brick of a battery pack.

Despite the size, it is surprisingly heavy-duty, thanks to its IP67-rated rugged built with a rubberized finish.

It is drop-proof, waterproof, and dirt-proof, which makes it great for either outdoor trips or just a day in the city.

There is also a carabiner that you can use to attach it to your bag or belt loop.

Jackery Bolt 6000 is the top battery pack if you need both lightning and micro USB connections in a single unit.

One of the key features of the MyCharge Adventure Mini is pass-through charging, a technology that allows you to charge your portable power bank and phone at the same time via a wall outlet. It also recharges up to 50% faster than its competitors and can retain charge for up to a year.

However, it sacrificed certain useful features to keep it small and compact. You have to rely on blinking LED lights to check how much power it has since it doesn’t have a display. It also doesn’t have built-in cables. Although its 3,350mAH battery capacity can fully charge most phones with no problems, it is not made for more powerful devices like iPads or tablets.

Bottom Line

MyCharge Adventure Mini is the smallest power bank in our review. Despite only weighing 0.2lbs, it can fully charge most phones on the market with its 3,350mAH battery capacity. It is also waterproof, dust-proof, and drop-proof, making it one of the best pocket-sized battery packs to bring on short hiking trips.

7.8/10

  • Capacity 70% 70%
  • Features 80% 80%
  • Ports / Connections 70% 70%
  • Value 90% 90%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Built-in carabiner
Best portable charger reviews. Benefits, pros, cons and recommendations Sturdy built with a rubberized finish
Best portable charger reviews. Benefits, pros, cons and recommendations IP67-rated
Best portable charger reviews. Benefits, pros, cons and recommendations Pass-through charging
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations Doesn’t have a display or built-in cables

3. Best Rugged Power Bank – Zendure A2

Zendure A2 has undergone a number of upgrades and the latest generation comes with 6700mAh capacity which is more capable and affordable than ever.

The original focus on strength and toughness has not changed as the battery pack is made from a crushproof PC/ABS composite material. In fact, it is not only tough but also stylish, which quite often are two mutually exclusive attributes.

There is only one port on the power bank, but a capable one. It is rated at 2.1A which is equivalent to quick charging without the actual support of Qualcomm’s Quick Charge feature.

Zendure A2 is on the best portable power banks around. It is also the toughest power bank on the market, by a mile.

The manufacturer claims that the power bank has 80% efficiency rate which is in line with the numbers observed throughout our testing. This gives you 5360 mAh of pure usable power. Zendure A2 can be charged in under four hours, which is a pretty good result compared to the competition. Moreover, the smart technology integrated into the unit retains 95% of the charge for up to 6 months.

Bottom Line

Zendure A2 has found a sweet spot and made a power bank which is durable, efficient, stylish and reasonably affordable. If you are after something tough that also looks good – you can’t go wrong with Zendure A2, it is the best-rugged power bank you can get in this size.

8.8/10
  • Capacity 90% 90%
  • Features 90% 90%
  • Ports / Connections 80% 80%
  • Value 90% 90%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Fast charging/recharging
Best portable charger reviews. Benefits, pros, cons and recommendations Extraordinary durability
Best portable charger reviews. Benefits, pros, cons and recommendations Long-term standby
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations Feels a little too thick
Best power bank reviews. Benefits, pros, cons and recommendations Single USB charging port

4. Best Power Bank for Camping – Goal Zero Venture 30

Goal Zero Venture 30 has been designed with outdoor use in mind. It has an ultra-rugged case, multifunction torch (light and stroboscope) and a vivid color frame.

The power bank features two 2.4A USB outputs cleverly integrated into the body that supports simultaneous charging.

The smart charge feature determines the quickest way to charge your battery with up to 4.8 amps being available at your disposal.

It is great to see both ports supporting a higher charge rate, which is uncommon amongst the competition.

Goal Zero Venture 30 is probably the best rugged battery pack you can find on the market. It is tough, packs a lot of power and has an LED flashlight.

There are 2 buttons on the battery pack to check the charge level and turn on the flashlight.

Although the Venture 30 is advertised as waterproof, it is only partially correct. It is IPX6 certified, which means that it can handle high-pressure jets from all angles, but it has not been designed for submersion.

The battery pack can be fully charged in four hours using the USB or around ten hours (under the direct sunlight) using the Goal Zero’s solar panel (sold separately).

Bottom Line

Goal Zero Venture 30 is not the cheapest option out there, but if you need something solid for the outdoor use, it is worth paying the premium. The case is remarkably strong and water-resistant which ensures that you have the power on hands even in the most demanding conditions. Coupled with a solar recharging kit, the Venture 30 is one of the best power banks for camping, hiking and outdoor use in general.

8.3/10
  • Capacity 80% 80%
  • Features 90% 90%
  • Ports / Connections 80% 80%
  • Value 80% 80%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations IPX 6 water and dust resistance rating
Best portable charger reviews. Benefits, pros, cons and recommendations Versatile flashlight
Best portable charger reviews. Benefits, pros, cons and recommendations Rugged and water-resistant body
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations A little too expensive
Best power bank reviews. Benefits, pros, cons and recommendations Would like to see better performance when charging from the solar panel (e.g. Nomad 7)

5. Best Value Power Bank – Aukey PB-N50

Aukey PB-N50 is a convenient power bank with a simplistic design, slim body and the scratch-resistant coating.

Despite a reasonably compact size, the battery pack is capable of storing an impressive 10000mAh of power.

You can fully recharge PB-N50 in around 4 hours which is very reasonable compared to the competition.

There are four minimalist white battery level lights which look subtle and sleek but are practical at the same time.

Aukey PB-N50 is one of the top battery packs of 2018 as far as value is concerned. We found it to be the perfect balance between portability, practicality and power.

The power bank features two charging USB ports that allow simultaneous charging. Ports provide 1A and 2A of permanent power respectively which does not change based on the number of the connected devices.

To protect the connected devices, the battery pack comes with built-in safeguards against excessive current, overcharging, and overheating.

Bottom Line

Aukey PB-N50 is a very solid performer. It is simple, strong, compact and packs way more value than its price tag suggests. It is perfect for day to day use and easily fits in your back pocket. If you are looking for an affordable 1000 mAh portable power bank – this is among the top options available on the market.

8.3/10
  • Capacity 90% 90%
  • Features 70% 70%
  • Ports / Connections 70% 70%
  • Value 100% 100%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Compact and slim design
Best portable charger reviews. Benefits, pros, cons and recommendations Two charging USB ports
Best portable charger reviews. Benefits, pros, cons and recommendations Quick re-charge time
Best portable charger reviews. Benefits, pros, cons and recommendations Amazing value
Best portable charger reviews. Benefits, pros, cons and recommendations Two-year warranty
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations No intelligent Quick Charge mode
Best power bank reviews. Benefits, pros, cons and recommendations No smart voltage/current selection

6. Best Budget Power Bank – Anker PowerCore 10000

Anker is a reputable brand in battery packs which is known for its simplicity and reliability and PowerCore Speed 10000 is not an exception.

Although the power bank hosts 10,000 mAh it is remarkably compact and lightweight.

The power bank comes with Voltage Boost, Quick Charge 3.0 and PowerIQ technologies that allow for a quick and reliable charge which is uncommon in the budget power bank range.

Anker PowerCore 10000 is one of the best USB battery packs you can find on the market if you need something for a general use. It is highly reliable, lightweight and slim.

We are a little disappointed by not having the pass-through support and only one charging port, yet the benefits far outweigh the drawbacks in our opinion.

There are not many battery packs that can compete with the value proposition of Anker PowerCore Speed 10000, yet Aukey PB-N50 (reviewed above) is one of them. We slightly prefer the latter, simply due to having an additional USB port and a pocket-friendly design, but you can’t go wrong with either one.

Bottom Line

Anker PowerCore Speed 10000 is a very strong general-purpose power bank. It features a strong plastic body which packs more power than we had expected. Its asking price puts it among the best budget power banks on the market. If you need an affordable, reasonably compact yet capable 1000mAh power bank – this is one of the best value power banks around.

7.8/10
  • Capacity 90% 90%
  • Features 70% 70%
  • Ports / Connections 60% 60%
  • Value 90% 90%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Compact and light
Best portable charger reviews. Benefits, pros, cons and recommendations Quick and intelligent charge (up to 4 times faster than a conventional charger)
Best portable charger reviews. Benefits, pros, cons and recommendations Exceptional value
Best portable charger reviews. Benefits, pros, cons and recommendations Quick power bank re-charge
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations No pass-through charging
Best power bank reviews. Benefits, pros, cons and recommendations Single charging port

7. Best USB-C Power Bank – Mophie Powerstation Plus

Mophie Powerstation Plus is a sleek design external battery specially designed for on the go charging.

It features a slim profile, built-in hideaway cable and packs enough punch to charge most of the portable devices you might carry around.

It has a visually appealing design that follows iPhone lines. The body features aluminum outer edges and rugged body.

The battery pack hosts 6000 mAh of electric power and features two USB-C and USB-A ports that allow simultaneous charging.

Samsung Fast Charge Battery Pack is one of the best portable phone charger of 2018. It is designed specifically for a mobile phone and can charge it in no time.

Both ports support fast charge with USB-C delivering up to 18W and USB-A up to 15W of power. Compared to the most typical USB wall charger that has 5W, Mophie Powerstation Plus can charge your portable device up to three times quicker.

In addition to supporting a pass through charge from the wall socket, the power bank has a smart priority charging built-in. It ensures that the connected devices get charged first and only then the power bank itself. 

Bottom Line

Mophie Powerstation Plus is a sleek and stylish battery pack with integrated cable. It was specifically designed for mobile phone charging using USB-A and USB-C connections. With built-in Fast Charge, the power bank can recharge the supporting devices three times faster than the standard wall charger. If you are looking for the best portable power bank for your Android smartphone, it does not get any better.

8/10
  • Capacity 80% 80%
  • Features 90% 90%
  • Ports / Connections 80% 80%
  • Value 70% 70%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Premium build quality and slim profile
Best portable charger reviews. Benefits, pros, cons and recommendations Fast Charge on both ports
Best portable charger reviews. Benefits, pros, cons and recommendations Priority pass-through charging
Best portable charger reviews. Benefits, pros, cons and recommendations Integrated cables
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations A little pricey

8. Best Power Bank for Multiple Devices – RAVPower 16750mAh

We have seen many quality power banks made by RAVPower and RAVPower 16750Mah has to be one of the most impressive ones.

It has highly efficient LG/Panasonic lithium-ion cells, great build quality, and sleek design.

Yes, some may find it a little bit bulky and heavy, yet in my opinion, it packs more than meets the eye and is well worth the top spot in its category.

RAVPower 16750mAh is a top high capacity battery pack for your demanding needs, It is mighty, looks good and has a great build quality.

The two USB ports can provide the maximum output of up to 4.5A individually or around 3.0A when being charged simultaneously.

RAVPower 16750Mah has a built-in iSmart technology, which automatically determines the charge rate most applicable to your device to optimize the charging process and extend your battery’s life. It also comes with a light, in case you need a hand getting it connected to a device in the dark.

The only letdown we found is the excessively long charge time. Our test showed that anywhere between 7 and 9 hours are required to fully recharge the battery pack.

Bottom Line

With so many great features, RAVPower 16750Mah is worth the attention of any power demanding user. The battery pack looks, feels and performs outstandingly. Multiple device parallel charging and built-in iSmart technology make it one of the best power banks for larger devices or multi-device use.

8.5/10
  • Capacity 90% 90%
  • Features 80% 80%
  • Ports / Connections 80% 80%
  • Value 90% 90%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations Great Design
Best portable charger reviews. Benefits, pros, cons and recommendations Fast and Smart charge process
Best portable charger reviews. Benefits, pros, cons and recommendations Anti-scratch coating
Best portable charger reviews. Benefits, pros, cons and recommendations Integrated flashlight
NEGATIVE
Best power bank reviews. Benefits, pros, cons and recommendations Long recharge cycle (i.e. 7+ hours)

9. Best Power Bank for Laptop – MaxOak K2

Named after the second tallest mountain in the world – MaxOak K2 is by far the largest portable battery store in our review.

It has been specifically designed for laptops, hence it came out rather bulky and heavy. The battery pack is not exactly very portable, not for every day at least.

At the same time, given the right target audience, K2 can be an amazingly practical choice in the field of its own.

DBPower Q100 is the best high capacity power bank in our review. It is the ultimate power bank if you need to store the maximum amount of charge!

To put things into perspective in terms of its capacity – iPhone X has a battery capacity of 2,658mAh. This means that K2 would be able to charge it a whopping 20 times!

The body has a metal finish, which gives it a nice and aesthetically pleasing feel with all buttons and ports positioned on one side. You get six charging ports that allow parallel charging and pass-through charging, in case you need to charge your power bank too. You get a one [email protected], one [email protected], two USB 2.1A and two USB 1A ports.

Given the size, the only way to charge this monster would by using a proprietary wall charger, which takes around eight hours to complete.

On the downsize, fast charging is not supported, so if this is a key feature for you, I would consider Anker PowerCore+ 26800. In addition, Apple and USB-C ports are not officially supported, but given the correct USB adapter, you can make it work.

The manufacturer says that the power bank is compatible with 90% of laptops on the market, so unless you have an iMac, you should be covered, but double-checking never hurts as some of the more demanding laptops (like gaming) could be excluded.

Also, hosting 185Wh of power makes it plane-travel unfriendly as FAA (Federal Aviation Administration) sets a limit of 160Wh.

If, however, you are not planning to take the power bank on a plane and your Windows-based laptop requires days of running power – K2 may be just the thing for you.

Bottom Line

If you are looking for the Juggernaut of power banks that pushes the limit of what portable power is – you have just found one! Specifically designed for laptop use – MaxOak K2 can charge most laptops 2 times. In addition, it can charge up to five other portable devices in parallel. Unless you have a Mac or require charging a gaming laptop while playing this is one of the best-rated power banks for laptops and ultrabooks out there.

8.5/10

  • Capacity 100% 100%
  • Features 80% 80%
  • Ports / Connections 100% 100%
  • Value 80% 80%
POSITIVE
Best portable charger reviews. Benefits, pros, cons and recommendations 12V, 20V and 4 USB ports
Best portable charger reviews. Benefits, pros, cons and recommendations 14 different DC connectors for laptops
Best portable charger reviews. Benefits, pros, cons and recommendations Massive capacity
Best portable charger reviews. Benefits, pros, cons and recommendations Can charge most laptops 2 times
NEGATIVE
Apple products not officially supported

Best Power Banks – Detailed Feature Comparison

Jackery Mini
Anker Slim 5000
Jackery Bolt 6000
Zendure A2
Goal Zero Venture 30
Aukey PB-N50
Anker PowerCore 10000
Mophie Powerstation Plus
RAVPower 16750mAh
MaxOak K2
Weight (oz) 2.7 4.16 5.3 5 8.9 6.7 7 6 11 43
Size (inches) 3.7 x 0.9 x 0.8 5 x 2.5 x 0.4 4.3 x 0.9 x 1.9 3.7 x 2 x 1 4.5 x 3.25 x 1 0.63 x 4.57 x 2.87 4 x 2.5 x 0.86 2.8 x 5.6 x 0.5 5 x 3.2 x 0.9 8 x 5.3 x 1.3
Capacity (mAh) 3350 5000 6000 6700 7800 10000 10000 6000 16750 50000
Smart Charge No No No No Yes No Yes Yes Yes No
Fast Charge No Yes Yes Yes Yes No Yes Yes Yes Yes
Number of ports 1 1 3 1 2 2 1 2 2 6
Pass-Through Charge No No Yes Yes Yes No No Yes Yes Yes
SCORE 8 7.8 8.5 8.8 8.3 8.3 7.8 8 8.5 8.5

How do we test Portable Battery Packs?

To have a good idea of whether the power bank delivers on its promise or not, you either need to go through some rigorous use or have the sophisticated equipment to help you out, or even better – both! We’ve learned not to trust manufacturer’s claims as often they are far from the actual result.

Since multiple devices can benefit from portable power these days, we run our power banks with all types of devices, starting with best rated eBook readers with large screens to small, but capable wireless Bluetooth earbuds that only need a little bit of power to recharge.

Below are a couple of important points for you to keep in mind when choosing a power bank:

  • Keep in mind the Quick Charge 2.0 or 3.0 compatibility with your phone. Paying for a power bank that supports Quick Charge 3.0 whereas your phone supports only Quick Charge 2.0 could be a waste of money.
  • Do not trust the ‘charges the battery x times’ type of claims. There are many factors that determine the number of times you will be able to charge your phone with a power bank, including your phone’s battery condition.
  • Check the power bank’s input voltage and current throughput. The lower the number is, the longer it will take to complete the charge. Values of 5V/1A (which corresponds to standard USB rates) or below would result in slow charging.
  • An ability to charge the power bank whilst it is charging the other device(s) is termed as a pass-through charging. It may not sound important in the first place, yet in practice, it is more than handy.

The main five aspects we consider when reviewing power banks are:

  1. Capacity to Size ratio
  2. Battery life
  3. Features
  4. Ports and connections
  5. Value

We will help you to make your selection process easier and faster, but essentially you need to decide on a set of features that matter to you the most to get the perfect fit. Above we have reviewed the top power banks of 2020 in various sizes, capacities, and features.

Frequently Asked Questions

What capacity power bank do I need?
It depends on the devices you are planning to charge. The easiest way to work it out is:
  1. Find the mAh rating for the device you are planning to charge (e.g. 2000 mAh)
  2. Add 20% that will be lost in the process of charging (e.g. 2000 + 20% = 2400 mAh)
  3. You will get the power bank’s capacity required to fully recharge the battery of your device once
How long does it take to charge a power bank?
This directly depends on two factors – power bank’s capacity (mAh) and the electric current produced by the charger (amp). The higher the capacity, the longer it will take to charge. The bigger the power of the electric current is, the less time it takes to recharge the battery.
How else do people refer to a power bank?
It can be referred to as a power bank, battery pack, portable charger, power cell and even a fuel cell.
What type of cells are used in power banks?
Generally speaking, it is either lithium-Polymer (Li-Po) or Lithium-Ion (Li-Ion).
  • Li-Ion batteries are cheaper to make and have their efficiency decrease with age.
  • Li-Po batteries are more expensive to produce and last longer.
How does fast charging work?
Fast Charging is a technical process that may be hard to explain without using technical terms and sounding a little geeky. The key to the concept is the charge controller that oversees the charging process. In general, higher voltage and electric current charge batteries faster, but not all batteries can handle the intensity and fluctuations. The charge controllers job is to make the charging process safe by protecting the battery against current spikes.

Here is a brief video explaining the battery fast charting process in slightly more details:

How much of the actual capacity do power banks retain?
If you maintain the power bank well, you can expect from 80% to 90% of the nominal mAh efficiency to be retained.