If you’re wondering what that unsightly growth is on the back of this Eee PC 901, it’s actually the official ASUS extended battery. But before you dismiss it as too cumbersome or, taking the weight of the 901 up to around 1.2kg, too heavy, picture this: 8 to 10 hours of continuous use from a single charge. Yes, 8-10hrs is the suggested runtime if you sacrifice a little ...