What is a Power Bank: Portable Charger?


Picture this scenario – you’re running late for work, and on your way out, you haphazardly unplug your phone from its charger only to discover the horror of realizing that you never switched it on in the first place.

To make things worse, you have an urgent client meeting to attend, and your boss could blow your phone up at any given moment. Also, what if a last-minute email arrives that needs immediate attention?

There’s no time to charge, and the ‘4%’ flashing in red is like a ticking time bomb – will your phone survive the 45-minute commute, or will it yield to its frail mortality? Well, this is just one scenario.

There are countless others where people could have an easy escape if only they’d invested in a power bank


What is a Power Bank?

Also known as a portable charger, a power bank charger is a sleek, slim, pocket-sized device with an in-built battery.

It is designed to recharge electronic devices such as smartphones, MP3 players, battery-run headphones, portable speakers, and tablets when you’re on the move.


This portable charger comes across as a lifesaver in many situations, especially when a wall outlet for charging is unavailable. It literally supplies the power that you can bank upon!

However, it is essential to remember that you need to charge power banks using a USB charger when power is available. 

Typically, the best portable power bank charger takes only one to two hours to charge fully. This power remains stored in your portable charger unless you’re ready to use it during an emergency. 


Different Types of Power Banks


Different Types of Power Banks 

Did you think there was only a standard version of a power bank charger portable? Then, think again! Typically, USB power banks are of three types, as discussed below –


1.) Standard or Universal Power Bank 

This is the most common type of power bank available in online and offline stores. The universal portable charger uses a USB port to charge, indicating the charge’s state. 

For instance, some chargers come with a row of tiny LED lamps, whereas others have a simple alphanumeric display indicating the exact percentage of the charge.

Once the charger is charged using a micro USB connector, it can be used to recharge other electronic devices. 


2.) Solar Power Banks 

The solar power bank charger might be your ideal choice if you live in an area that experiences extremely bright or sunny days for most of the year.

As the name suggests, this charger uses the sun’s energy to charge via photovoltaic panels. 

Because solar charging can be slow, you can connect the micro USB connector to a socket for faster charging.

However, if you have time (over 12 to 18 hours), you can let your charger receive all its power from the sun. 

The topmost benefits of solar-powered portable chargers are that they are eco-friendly and cost-effective. 


3.) Wireless Power Banks 

Just like devices such as ear pods and smartphones can be charged wirelessly, power banks of today also come with the same feature.

Usually, the power bank charger portable itself needs to be charged through a micro USB connector. 

However, it can then wirelessly charge other electronic devices like smartphones and tablets.

As per the Qi standard, the gadget that needs to be charged is placed on the portable charger, and the wireless charging capabilities can be switched on with the tap of a button. 

Remember to disconnect the charger from the device once fully charged to prevent the former from unnecessarily discharging. 


Portable Charger Battery Types and Charging Capacities


Portable Charger Battery Types and Charging Capacities 

As smartphones and other electronic gadgets have evolved, their charging needs have also changed. Most smartphones today come with high charging capacities so that they can be used for extended periods and take less time to charge in a single session. 

To keep abreast, contemporary power banks also offer huge charging capacities, some even as high as 25,000 mAh, as opposed to the 10,000 mAh of yesteryears. They can also supply a high current supply of 2.5 A to meet fast charging needs. 

But these capabilities also largely depend upon the battery type. Power bank chargers come embedded with a lithium-ion battery or a lithium-polymer battery.


The former has a high energy density, so chargers with lithium-ion batteries can store more electrical charge for a given volume or size. But they might face issues with aging. 

On the other hand, lithium-polymer batteries are much more durable but also costly to manufacture. So, if you suspect or fear that your power bank charger may be accidentally lost, it’s best to purchase one with a lithium-ion battery. 


More Power to You!

Stored up in a tiny, slim, rectangular device is all the power one needs to more than just charge a phone.

It could save you during a day-long unfortunate power outage, help you make an urgent call when your phone’s close to shutting down or assist you in finding your way back from the middle of nowhere when you’ve been in circles, and your phone’s battery is dead. 

So, all the power to you! Choose the suitable portable power bank charger as per your unique needs and keep its bank tank full so you’ll find the handy help you need in times of emergencies!


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