Ever experience being in the middle of some critical work on your smartphone or laptop, and when you turn around, the “low battery” warning pops up? Power banks come in here to ensure this happens no longer during the day. Whether you are a frequent traveler, a student, or a busy professional, power banks have become some must-have accessories that provide people with the basic power to stay connected wherever they go.

A power bank is a portable charging device, which holds electrical energy, to charge your electronic gadgets. In simpler words, it’s a battery pack that you can carry with you, and therefore, your gadget will always be charged, such as your phone, tablet, laptop, or any other.Internal batteries within a power bank retain electricity each time it is connected to a wall outlet. Once all the electricity is stored, it can then be disconnected and used to power other devices via USB connectors, and so on and so forth.