Super Energy Saver (Wi-Fi OFF, 1/10 Brightness, CPU lowest speed)
Idle - 8:20
Classic - 5:30
Super Energy Saver (Wi-Fi ON, 5/10 Brightness, CPU lowest speed, sound ON 50%)
Classic - 5:04
Super Energy Saver (Wi-Fi OFF, 10/10 Brightness, CPU lowest speed, sound ON 50%)
Movies - 4:17
That should equate to
roughly 6 hours of battery life, which is about average. That may have been good last year, but many of the newer netbooks on the market are reaching close to 10 hour battery lives. Still, that amount of battery life may be more than enough for your needs.