A Power Bank Guide: Everything you Need to know about Power Banks

A Power Bank Guide: Everything you Need to know about Power Banks

Auth Anushka Agarwal | Jul 16,2020

Without any doubt, power banks are the most popular gadgets of the 21st century. Considering their positive reception, many brands joined the race of launching their power banks in the market. Put simply, these amazing electrical gadgets come in various shapes and sizes, depending on the brand manufacturing them. Furthermore, the costs of these extremely powerful gadgets vary.

Finding a use worthy power bank can be a daunting task. Even after you’ve reviewed their specifications and performance statistics, choosing the right power bank may not be that obvious.

What is a power bank?

A power bank is a portable charger designed to charge your electronic gadgets when you don’t have access to a socket. These are referred as portable because you can carry them anywhere you want. All you have to do is, charge them before you start using them.

Nowadays, power banks come in various sizes, ranging from slim ones to pocket-sized devices, including high capacity power banks that can charge cell phones, cameras, gaming consoles, portable speakers, etc.

Power banks consist of a rechargeable battery used to charge other devices. It might sound basic to you, but even the simplest power banks undergo extensive R&D, manufactured using complex technologies.

How does a power bank work?

Power banks consist of simple rechargeable batteries, added with some specific features that distinguish them from the actual rechargeable batteries. However, the mechanism involving the functioning of power banks is pretty simple. Pre-charged power banks store energy to the maximum and release it when plugged with a device that needs recharging. 

Then comes the complex terms related to power banks like its safety features, power indicators, quick charging technologies, the mAH, etc. 

What are the different types of power banks in the market?

Other than the varied sizes and shapes, power banks differ in the type of technology used, the budget of the buyer, and their power needs. Most people opt for power banks that can be used to charge any device, including cell phones, tablets, laptops, etc. 

With newer technologies launched every other day, the hunt for useful power bank seems tedious. Some power banks need electricity to convert electrical energy into chemical energy, and others can do just fine with solar energy as well. Broadly, there are two types of power banks, those charged using electricity, and those that need solar energy. 

Things to look for before buying a power bank 

  1. The capacity of the power bank 

The capacity of a power bank depends on its use. 

So, how many times will you charge your devices with the power bank? Also, which device will you charge using the power bank? 

A laptop will need more power than a smartphone, and gaming consoles will need more than a laptop. Summing up, the devices charged using a power bank decide your purchase. 

  • The input and output 

Checking the specifications for the input and output range of your mobile devices is highly imperative when choosing a power bank. Check the compatibility of your device with the power bank. 

  • The price and the quality

Just looking at the pictures isn’t going to help you finalize a power bank. You need to go further and study the specifications and features of the product. Sometimes a cheaper model won’t suffice your requirement, or an expensive one doesn’t have an output that you need. Always reflect on the price/quality ratio of the product. Power banks that consist of cheaper parts can damage your devices too. 

  • The size of the device 

A power bank should be handy. It should be easy to carry and charge your electronic devices on the way to your destination. The size of the power bank is very important to look at because you’re going to carry it everywhere with you. Therefore, look for a power bank that is slim and sleek, and can fit in your pocket easily. Or, it should be easy to carry in your purse or handbag. 

  • The current 

Not just the capacity, but the charge of the power bank is an important factor too. The current or the amperage of the power bank tells you how fast it will charge your electronic devices. A power bank should have amperage between 1 to 3.5A. The higher is the amperage specified by the power bank, the faster it will charge your device. 

  • The devices charged

A power bank is capable enough to charge your phone and laptop simultaneously, depending on the number of sockets available. So, look for a power bank that can support several devices at the same time. 


Buying a power bank isn’t as hard as it looks. However, judge the product and the brand carefully before spending bucks on it. If looking for quality power banks, Smartcell’s 10,000mAh and 20,000mAh are the best electronic chargers, to pair with your devices. 

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