Fast Battery DK is an Android application developed by DastyKioto that promises to improve charging speed and increase battery life. The app has a nice and convenient user interface that displays battery information such as battery temperature, voltage, and status.

One of the standout features of Fast Battery DK is its ability to automatically activate fast charging mode, which can significantly reduce charging time. The app also includes automatic Wi-Fi off, Bluetooth turn off, and brightness level and screen timeout adjustment, which can help save battery life.

Overall, Fast Battery DK is a useful utility tool for Android users who want to optimize their device's battery performance. The app is free to use and can be downloaded from the Google Play Store.