We talk about Power bank everywhere, also says External battery, portable charger, or backup battery, etc., but what is a power bank? How does a powerbank work? How to choose it? These are all very interesting questions to which we are going to answer. The power bank is a rechargeable portable backup battery designed to charge electronic objects, such as a smartphone, tablet or computer. For the past ten years, Smartphone designers have constantly improved their products, but battery life seems to have diminished. Between Bluetooth, Geolocation and wifi connection, and more and more greedy applications are constantly emerging and do not fail to drain the battery of our devices. It seems a long time ago or the batteries of our phones could last a week before being recharged. Whether you’re a business owner on the go, or just a fan of the latest trendy apps, your phone has almost certainly given you the breakdown.

Do not panic for the less far-sighted users, who have forgotten to charge their phone or tablet before a trip, because now the backup batteries are there to help you. But what is a Powerbank backup battery? Powerbank, or portable nomadic batteries, are energy accumulators in order to charge a tablet, a telephone, or even a laptop computer, these are inexpensive high-tech accessories capable of bringing your nomadic device back to life , find out  how function a powerbank and everything you need to know about these backup batteries.

How does a power bank work?

But how does a type-c powerbank work? Most portable charger models called powerbank consist of one or more lithium-ion batteries, similar in all respects to those found in phones or tablets. This battery is connected via a printed circuit to two ports, one used to recharge the powerbank, and the other to connect a mobile device to recharge it. This is the main feature that allows products to be differentiated at the time of purchase.

How to choose a power bank?

To make your choir well, you have to know how much power you will need. For this, the unit used is the milliampere-hour (mAh) a unit of measurement of the quantity of electricity passing through an object. It is on this storage capacity that you should focus your attention when buying a backup battery. Choose your power bank according to the power to charge your device.

• 1200mAh, 2000mAh, 2200mAh, 4000mAh small capacity power bank for charging phone, camera.
• Powerbank with medium capacities 5000mAh, 6000mAh, 7000mAh, 8000mAh, to charge a tablet, a smartphone.
• Large capacity power bank 10,000mAh, 15,000mAh, 20,000mAh to charge your computer.

Many models of mobile chargers exist in order to offer users products that best meet their expectations, with compact, lightweight and portable models offering a capacity between 2,000 and 3,000 mAh, but also larger models, with a capacity significantly higher, up to 10,000.

How to use a power bank?

Using this customizable backup battery is easy. After a first full charge, by plugging the object into a power outlet or the USB port of a computer, the battery will have stored enough current for one or more charges of your devices. The number of uses before having to recharge the powerbank depends on the capacity of the latter.

How to maintain your power bank?

It’s a fact, the charging capacity of a power bank decreases over time. In reality, this is a problem affecting all types of batteries to date, called the self-discharge phenomenon. This reaction takes place when a current storage device is left unused for too long. The charge level of a power bank is no exception to the rule and an unused battery can be completely drained in just a few months. It should also be noted that certain factors can influence the lifespan of your mobile charger. Its exposure to extreme temperatures, for example. These high-tech objects stored in the glove box of a car in the middle of winter, or on the dashboard in summer, a power bank is likely to empty at breakneck speed. Moreover, it is not advisable to keep a battery empty, otherwise it will drastically lose its charge capacity. It is estimated that a battery left empty for a long time can lose up to 20% of capacity.

These inconveniences can be avoided by taking a minimum care of your device. Most manufacturers agree that one discharge per month would significantly increase the life of a backup battery. As for recharging, do not hesitate to unplug your powerbank when it is full. Leave it connected to the power bank using its adapter cable longer than necessary only shortens its lifespan. These tips also apply to a battery that will not be used for a while. It will be a question here of storing it in its cover, in a dry place, at room temperature and preferably charged. By draining it once a month and fully charging it before storing it, you should be able to combat the wear and tear on your battery.