Laptop Magazine received a bit of flak for publishing this rather incredible figure after a single battery test. So they decided to run the test again. Twice. but this time, they took notice of a factor they hadn’t originally accounted for: Samsung includes battery management software with the Samsung NC10. Among other things, it will dim the netbook’s screen to its lowest settings when you haven’t touched the keyboard or touchpad for 30 seconds.
Laptop Magazine re-ran the test with the battery management software disabled. With the screen set to 50% brightness, the battery lasted for 6 hours and 34 minutes. When the screen was cranked all the way up to 100% brightness, the battery died after 4 hours and 48 minutes.
In other words, while you can get 7.5 hours out of the battery, you’re likely going to want to keep the screen a bit brighter, which will reduce the battery time. So while the Samsung NC10 certainly has the best battery performance of any netbook I’ve seen to date, it’s not quite as spectacular as the initial test indicated. Unless you’re sitting in a very dark room where a dimly lit screen would suffice.