Most of the people are using smartphone devices for their regular usage. Smartphones and tablet devices have become an important part of our daily lives. But, it is a painful moment for all of us, when a smartphone device goes down because of a low battery.

So, we need a power socket and charger to recharge dead smartphones or tablets. But, at the time of traveling or when we are outside our home/office, we are not able to charge because of lack of electricity while traveling. But thanks to power banks that give us the option to charge smartphones from anywhere anytime.

What is a Power Bank

A Power Bank is a mobile charger that helps you charge your smartphones, tablets, or laptops easily, even when you have no access to electricity.

A power bank is a very handy gadget that can charge smartphones without a power socket. We need to charge it using a power socket similar to how we charge a smartphone; some power comes with battery indicators. Those power indicators show how much does power bank is charged.

A power bank is one kind of portable charger, that can charge your smartphone device as a charger does. If you want to charge the device, then it simply needs a USB charger cable without a charging adapter. USB cable’s end is plugged into the power bank and micro USB port to be connected to the device which too is charged.

How to charge a power bank

To charge your smartphone using a power bank, you will need to charge your power bank first. You can charge up the power bank through a computer or laptop by using an external electrical adapter. You can also charge it by using a wall socket with an adapter.

In addition to that, some power banks also feature LED lights or battery indicators. By which you can easily get information about the battery status of your power bank. When the power bank is fully charged the LED light will automatically turn off. Some power banks will show a green or red light when it is fully charged, depending upon the power bank’s option.

Top 10 Best Power Banks

For your simplicity, here we also have listed the best power bank for smartphones or tablet devices. All the power bank comes with some extra features, which is optimal for your device.

$25.98
in stock
2 used from $16.99
as of April 21, 2024 12:37 pm
Amazon.com
$26.98
$43.97
in stock
7 new from $26.98
176 used from $18.04
as of April 21, 2024 12:37 pm
Amazon.com
$99.99
in stock
4 used from $53.92
as of April 21, 2024 12:37 pm
Amazon.com
$102.32
$119.99
in stock
2 new from $92.58
as of April 21, 2024 12:37 pm
Amazon.com

F-EYE 3 in 1 Power Bank

Another best power bank for you is the F-EYE 3 1 power bank. As mentioned in the title, it is a multi-function device. It means this device comes with a Wireless Bluetooth Stereo, a high-capacity 5000 mAh power bank, and a Mobile stand. So you can make use of this power bank in three you want.

See also: Best USB C Power Banks

F-EYE 5000 mAh power bank review
Power bank review

It will support Bluetooth with version 3.0. The Bluetooth wireless stereo works very well along with high clarity of sound. This power bank also has One USB output port, to recharge your smartphone or tablet device with high speed. It also has a built-in mic and an auxiliary 3.5 mm jack port for playing non-Bluetooth devices. The Bluetooth range of this device is so great which is up to 10 meters and there is no need for a wire connection.

A 5000 mAh capacity battery provides long playtime. It is easily compatible with most smartphone and tablet devices. It is designed with simplicity to carry easily. It is also one of the best power banks with its multi-function features. 

This F-EYE 3 in-1 5000 mAh power bank is now available at the e-commerce site Amazon website.


Lappymaster Mobile Power Bank

The Lappymaster Mobile Power Bank is another best fast charging power bank, to charge up your smartphone or tablet device. It comes with a function of electricity saving and also has a cell along with high capacity.

It is a very easy-to-use device, which provides fast charging speed along with a high amount of reliability. This power bank is portable and you can also put it in your pocket.Lappymaster Power bank 5200 mAh

It also consists of a 5200 mAh power Li-Ion battery. It comes with only one USB port along with an LED torch.

This device is easily compatible with the smartphone manufactured by companies such as Samsung, Sony, Microsoft, and more. It is protected by the Short circuit. The package of this power bank also contains a cable for the easy and fast charging speed of your device.


COOLNUT High Capacity Power Bank

The COOLNUT Power bank comes with a high capacity of power which is a round of 13,500 mAh. It is designed with a durable outer body and is easy to carry. The best thing about this power bank is that it comes with 3 USB ports. It means you can charge up to 3 devices at a time.COOLNUT High Capacity Power Bank

It has two USB ports with 2.1 A, to charge tablet and iPad devices. It also has some safety features, to protect your smartphone or tablet device. It also protects your device from such charging accidents. It also comes with an LED flashlight. You can charge up a single device for 4-5 times.

It comes with a slim and compact design. It also comes with four LED lights, which indicate the level of charging. This Coolnut device also consists of an automatic power-off function, which is useful when the device is not in use. This power bank is easily compatible with all smartphone and tablet devices.

You can easily buy this COOLNUT 13500 mAh Power bank at the e-commerce site Amazon website.


COOLNUT Power Bank

COOLNUT 14,400 mAh Powerbanks
COOLNUT 14,400 mAh Powerbanks

This is another power bank device from Coolnut, which also has a high capacity of up to 14,400 mAh power. It comes with a Lithium battery. The Coolnut power bank is easily compatible with most smartphones as well as tablet devices.

It also features LED light indicators, which show the charging status of the power bank. This power bank device comes with a Dual USB output port, which means you can charge two smartphones at the same time.

It also contains one port for a smartphone with 1 A and another for a tablet or iOS with 2.1 A. It also has some protection features that protect your digital devices from the effects of over-charge, over-voltage, current, and short circuits.

It is designed with ABS plastic material for the high durability of the device. It is a very lightweight and compact device that you can carry easily in hand and also put in a pocket.

It seems this is the newly launched power bank, however, you can buy this power bank online from the Amazon website.


CATZ PBCZ4 Power bank

Catz PBCZ4 13,000 mAh Powerbanks
Catz PBCZ4 13,000 mAh Powerbanks

The Catz PBCZ4 power bank comes with high capacity up to 13,000 mAh power, to boost up your smartphone and tablet device many times. It provides a maximum charging current that is needed by a device that is charged. It is one of the most suitable and portable power bank devices to charge up your smart devices. It will also be able to provide the fastest charging speed.

With the purchase of this power bank, you will also get 1-year limited manufacturer warranty on it. It consists of Dual USB charging ports, which means you can charge two smartphones and tablet devices at a time. It also has an LED display along with four levels.

Over-charge and Over-voltage protection also comes with this device. This device is compatible with all smart devices.


F-EYE Fast Charging PowerBanks

F-EYE Fast Charging Powerbanks
F-EYE Fast Charging Powerbanks

This F-EYE power bank comes with a feature of fast charging. It has a high capacity of up to 10,400 mAh power. This power bank is a suitable portable charger for most of the smartphone and tablet devices.

It contains a bright digital LCD, which shows you exactly the percentage of charging when you leave it. This F-EYE device has a Dual USB output port along with 2.1 A and 1 A.

By using these two output ports, you can boost up your two smartphone devices simultaneously.

It also consists of protection features to protect your devices from the effects of overcharge, over-voltage, over-current, and overheating. It is designed with a unique design for users’ simplicity. It is also one of the best power banks for you.

It is compatible with almost all brand’s smartphones, digital cameras,s and tablet devices. Check out this power bank price from below.


Romoss High Capacity Power Bank

Romoss 16000 mah Powerbanks
Romoss 16000 mah Powerbanks

The Romoss high-capacity power bank comes with 16,000 mAh power. With its high capacity power, you can charge up your iPhone device at least 8 times.

This device has built-in Fitcharge Technology. It is designed with some superb protective features. It provides an optimal charging speed to charge up your smart devices.

It comes with a Dual USB output port, which means two smart devices can charge up at the same time. It is simply compatible with all smartphone and tablet devices. Most of smartphones need only 1 AN or 1.5A, these “smart charger” batteries will not deliver more than that amount of power.

You can buy this Romoss 16,000 mAh best power bank from the Amazon website using the below link. The manufacturer also provides a 1-year limited warranty with the purchase of this device.


Callmate Power Bank

The Callmate power bank has a capacity of up to 10400 mAh power. It consists of a Samsung cell-type battery. This power bank device also features some protective features.

Callmate 10400 mAH Powerbanks
Callmate 10400 mAH Powerbanks

It is easily compatible with all the smartphone devices manufactured by popular companies. This device can be easily measured with the dimensions of 90.5 mm x 77 mm x 21.6 mm.

This Callmate device comes with one USB output port, to quickly charge up your smartphone device. It is designed with high durability as well as reliability.


Samsung Power Bank

This power bank is manufactured by the most trusted smartphone manufacturer company Samsung. This Samsung power bank has a high capacity of up to 20000 mAh power.

Samsung 20000 mAh power bank samsung price
Power Bank Samsung Price

It is easily compatible with all smartphone and tablet devices. It comes with two USB output ports, to charge up to two smart devices at the same time. It also has an LED display, provided for charging status. It is a lightweight device and an easily portable power bank. It is easy to carry and easily fit in the size of the pocket. 

Samsung 20000 mAh Powerbanks
Samsung 20000 mAh Powerbanks

This Samsung high-capacity power bank is available in a White color variant. It is the perfect power bank device to boost up your smartphone or tablet devices along with high-speed charging.

Like all Samsung smartphones, the reliability of this power bank is also high. It is one of the best power banks by Samsung you should use. If you are looking for the best 20000mah power bank, this one is recommended for you.


Xiaomi Mi Power Bank

MI 20000 mAh Powerbanks
MI 20000 mAh Powerbanks

A famous Chinese smartphone manufacturer company Xiaomi MI has launched its power bank. This MI power bank is coupled with the massive 20,000 mAh battery capacity, to charge your device at least 5 to 6 times. It also features a fast charging speed for your device.

This Xiaomi Powerbank consists of a DC input voltage of 5.0 V and an output voltage is as same as the input. For long-term durability, it is designed with the ABS Plastic body.

The weight of this power bank is around 338 grams. It is easily compatible with all the MI smartphone devices as well as all the leading company’s smartphones. A standard cable also comes with the package of this MI product. It is the best power bank with its high capacity power.


In the discussion of Top 10 Best Power Banks, we have listed 10 superb power banks that contain so many features along with affordable prices. So if you are planning for power bank online shopping, make sure you are referring to this list of best-branded power banks from this list.

Are you already using any of those power banks? Feel free to share your experience with your power bank in the comment section below. If you are planning to buy Powerbanks, do let us know which one you are planning to buy. What kind of specification are you looking for, in a power bank?

Image Credit: Eachine Mini Y5 Power Bank by Neil Turner
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Mukesh Chauhan
Mukesh Chauhan is an Engineering Student, who loves to write about technology and gadgets. Currently he is studying and working as an Editor on Theandroidportal.com