i installed karam's speed patch and battery improvements patch.from http://talk.maemo.org/showthread.php?t=73315.but my battery is original and i just flashed my N900..according to them i installed powertop adn htop...after i type powertop in xterminal i get many wakeups..around 3000 and sometimes 4000 and sometimes 500 only..how to get the battery life that everyone is facing..i gad many post in http://talk.maemo.org/showthread.php?t=73315..if u want u can check it from page 145 to 164