Turn off interfaces draining your battery life; it detects when your phone is idle and then it can power off:
Bluetooth, WiFi, APN for background data exchange and sync mode, Airplane mode.
Usefull to save battery in the night.
Reduces 2G/3G mobile traffic.
Periodic updates allows turning on interfaces after a delay, to allow background data syncing.
Delayed power on for briefly looking at phone.
Application translated to english, german, french, italian, dutch.
Try the demo version first, it works for one week.
Tags: sleepy battery , sleep battery , sleepy batery , sleppy battery , sleepybattery , sleepy battery einstellungen , sixteen bars , que el sleepy battery , sleep battery 2.1