A simple alternative to the Battery patch is to turn off the wireless LAN when not using it. Numerous N900 owners are always trying to find ways of increasing the battery life. Why not try 'WiFi Switcher from: http://my-maemo.com/software/applications.php?fldAuto=1229&faq=32 I have incresaed my battery life to about 3 t0 5 days between charges! Hope this helps someone.....