Published on in “Business, Business”, language — English. 4 pages.
Power bank stores energy which can be used to recharge the device at a later stage when its battery gets drains off.A power bank, generally known as a battery charger, is a portable charging device, used to charge a wide range of electronics devices. It is used as a plug-in charger, back-up charger, or external battery for charging a rechargeable battery. More
