Power Bank.

 

why we need power bank?

The whole world have now jumped on the mobile computing bandwagon. Everything, be it internet access, game, music and walking directions are now in our hands. it is truly powerful, until we run out of battery. it's obvious that something can be done to remedy the battery life issue. these external batteries called power bank provide instant charging for your portable devices, anytime, anywhere.

what is mobile power bank?

Power bank are popular for charging smart phones and mobile tablets devices. a power bank is a portable devices that can supply power from its built-in batteries through a USB port. they usually recharge with USB power supply. technically, a power bank consists of rechargeable lithium-ion or lithium-polymer batteries installed in a protective casing, guided by a printed circuit board (PCB) which provides various protective and safety measures.

Advantages:

portable: This is, in a word, a charger is portable. 

Taxes universal: power bank is a an amezing thing, it also acts as a universal charger.

Practical price: it's economical, and not too much pressure on your wallet.

Multiple sockets: the power of the banks are multiple sockets, allowing you to connect more than one phone.

Disadvantages:

Bulky: A small disadvantages is the power bank of china is that it is a bulky. it is thick and has weight.

It comes with a USB cable: In the age of wireless, the devices uses a USB cable, which is still a minor setback.

Frivolous charges: This may be ust another frivolous expenses if we do not have to travel a lot or do not depend on official work. most people do not find it very useful. but for some, it may simply not worth the price.