Simple Battery Logger is a simple tool to record the history of the battery status. This is a tool for Android developers. You can use this tool for the battery benchmarking of your applications or devices.The following functions are supported.* The battery status logging function.* Exporting CSV file to external storage.* Deleting the old data in built-in storage automatically.This software has the following features.* No advertisement* Open source ( http://sourceforge.jp/users/say/pf/android_battery_logger/scm/ )