Super Fast Charger Battery description

Fast charger is a free app, which allows you to charge your device 20-40% faster without using any additional charger. You can significantly improve your charging speed and reduce the charging time. This app works for any Android device or tablet and supports any kind of charger.

Many new android devices come with a feature called fast charging. With a provided charger (2.1A charger), device will charge very fast. With the fast charger app, you can get the same speed even if you don’t have such feature. If your device has fast charging, this app will improve the speed even further.

When the battery is low, every one needs to get the maximum battery charge within short period of time. With Fast charger, it will charge your phone 60-80% within less than 20 mins.

These are some test results

Device : Galaxy S6(fast charging enabled)
Time taken to charge from 0-80% without the app : 28 mins
Time taken to charge from 0-80% with fast charger: 19 mins

Device : HTC M8
Time taken to charge from 0-80% without the app : 34mins
Time taken to charge from 0-80% with fast charger: 16 mins

Device : Galaxy S3
Time taken to charge from 0-80% without the app : 78mins
Time taken to charge from 0-80% with fast charger: 32 mins

Device : Galaxy S4
Time taken to charge from 0-80% without the app : 84mins
Time taken to charge from 0-80% with fast charger: 37 mins

How Fast charger works.

When you charge your device, it also consumes the battery for various tasks. By reducing the power consumption of the device during the charging, it will significantly improve the charging speed.
Fast charger does this by reducing the CPU clock speed, reducing the GPU speed, stopping unwanted background tasks, turning off WiFi,data and many other things. You can adjust all of these in the app settings.