Last night, someone asked me what a power bank is. I am thinking that if there is one person who needs to know, there must be others as well who need to know.
Simply put, a power bank is a compact, portable rechargeable battery that can supply extra power for your mobile device when you are not by an electrical wall outlet. Same way your phone’s battery is rated in mAh (milliamp hours), power banks are rated in mAh. There are different power ratings, including 2200 mAh, 3600 mAh, 5200 mAh, 5600 mAh, 11000 mAh and 16000 mAh. I am sure that there are other ratings beside these. The higher the rating, the more power it can deliver to your device and the longer your device will last when connected to it. Power banks come with a USB cable for charging both ways.
Contrary to what appears to be the common sentiment, a power bank is not intended to charge your phone to full charge – and they rarely ever do, considering that the phone is usually in use when plugged in to the power bank. Usually, this means that the plugged in mobile device experiences very little charging. If your mobile device is switched off or mostly idle when plugged in to a power bank though, you will see stronger charging action.
If you are often away from a power source for extended periods, a power bank is a valuable smartphone accessory in today’s world where batteries run out in a matter of hours. Also, be sure to plug your used power bank to a mains socket to top it at every opportunity, so that it is ready for use whenever the need may arise. Now, you know what a power bank is and how it works. If you don’t have one yet and can see that you need one, you know what to do…go get one!
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