Most wouldn’t consider what is killing the battery as something that may aid a forensic investigation. Think about your device and what drains your battery—application usage and streaming! Here we have located files of interest that track what is draining the battery.

  •  USERDATA/system/batterystats.bin

  •  USERDATA/data/com.google.android.gms/shared_prefs/Batterystats.xml

  •  USERDATA/data/com.google.android.gms/files/BatterystatsDumpsysTask.gz

  •  USERDATA/system/batterystats*.xml

The file batterystats.bin may show loss of battery power while an application was launched and in use. All of these files track what is killing the battery. Dive in and enjoy!