Android Battery Dog is an application that allows users to monitor the battery state of their Android devices. Developed by Ferenc Hechler, this free app is categorized under utilities and tools. It is compatible with Android 13.0 and higher.

The app runs in the background, logging the battery state, including level, voltage, and temperature, into a file on the SD card. Users can easily access the log file at /sdcard/BatteryDog/battery.csv. In addition, the app comes with a simple graphics view, allowing users to visualize the battery state data.

Overall, Android Battery Dog is a useful tool for those who want to keep an eye on their device's battery performance. Its simple interface and background logging feature make it easy to use and access the battery state data.