Motivated by a powerful processor Intel Core Duo T7500 (on our test machine), along with 2 GB of RAM, the performances are excellent, above average. However, this is greedy energy into electricity. With the main battery, autonomy is a mere 3 hours with WiFi enabled. The secondary battery increases of 2 hours. Note that the accumulator clipsable authorizes a change since hot does not occupy the location of the main battery.Read more . . .