Simpel service for ANDROID for long time monitoring the battery level. A log file in csv format is created /sdcard/BatteryDog/battery.csv which contains timestamp and all available battery info, like level, temperature and voltage. Includes simple graph.
These tools, written in J2ME MIDP, run on phones and other small-scale Java devices, to allow software developers understand the particulars of new devices. They quickly uncover aspects such as full class hierarchy, keypad constraints, and general specs.