The new battery from MonoMobile MM-EEEMS (mid-size) is
approx 1.5x the power (and weight) of the original Asus battery.
Run time approx 300 minutes @ full screen brightness while streaming over WiFi.
Works with all EEE PC 700, 701 and 900 computers.
Weight approx 320g.
Available now in Black or White from Conics.Net.
Video link here