https://gistaxi.com/how-power-banks-can-save-or-damage-your-phone/

Since the cell phone was invented, a lot of people have been fascinated by it. The initial function of these cell phones is to make calls but nowadays, it goes beyond that. A whole lot of activity is carried out by these phones which includes, playing games,browsing the internet,storing documents, watching videos and so on. These activities consumes lots of power and with erratic power supply, it was necessary for a secondary source of power and that source came when the power bank was introduced.

To understand what a power bank does, look at it as a bank. Part of a bank’s function is to save your money right? Also, a power bank stores or saves power which a device will consume later. A power bank simply works as a portable charger used to charge not just phones alone but laptops, and any other chargeable devices.
They also come in 3 categories like the Solar charged type,Battery Phone Case and the universal type.

Asides erratic power supply,a good reason we should have a power bank is that, it is really helpful if we spend more time outdoors without having free charging outlets around us. Also,Imagine you need to send an urgent message why you are away from home and your phone goes off, it is a power bank that will rescue you out of that situation. Anyone who has a very busy schedule will not joke with having a power bank
The power bank is indeed an important gadget that you need to have but as important as it is, it could also spoil your device especially your phone battery that is why you need to find answers to these two questions listed below

1-How can a power bank damage your phone battery?
2-what to check before you buy a power bank?
These questions will help you make the right purchase so seat back relax and note how these questions are answered.
1- How a power bank damage your battery?
Your battery could be damaged if any of the following occur

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