How to build a power bank.

The revolution of smartphones born about storing energy to recharge your mobile phone

which brings about the invention of so called power banks. The smartphone accessories market also grew with it, many companies where established because of the smart phone revolution.
Smart phones being fast consuming lots of batteries and we are still using the same batteries that we used prior to the smartphones, resulting in low battery life. So the best solution to charge the phone on the go is a portable battery charger (power bank).


COMPONENTS OF A POWER BANK
These devices solves the battery problem until someone make a better battery. This article is all about the internal anatomy of a power bank.
The power bank consists of components like:
Control Panel : The control panel does the job of controlling the charging and discharging of the internal batteries as well as it keeps the track of the degree of the charge.
The control panel also consists of the LEDs indicator, ports etc.
Battery : The battery inside it is where all the energy is stored these are generally Lithium-ion batteries which are of different capacities. These gets charged and hold the charge.



5v USB Input : The 5v input port is the port provided for charging the battery.
Micro USB Output : This is the output port for charging your phone
Casing: that is where all the above listed components are packaged.

source: saealert