Portable power banks online are extremely useful because they can easily fit in your pocket, handbag, briefcase, or backpack. Since power banks do not need a power outlet to charge mobile and portable devices, people are increasingly buying more of these useful gadgets to ensure that there is no interruption due to low battery power.

Every day, more and more people communicate using mobile devices like cell phones and tablets. It can be very frustrating when the battery of your smartphone or tablet dies in the middle of a call. That is the reason why several manufacturers develop and sell portable power banks for the consumer market. Here is a list of the top 10 portable power banks