Tags: battery, battery life, BatteryLife, build, build 2011, Build2011, eyes on, eyes-on, EyesOn, hands on, hands-on, HandsOn, kal el, kal el tablet, kal-el, kal-el tablet, Kal-elTablet, KalEl, KalElTablet, nvidia, quad-core, windows 8, windows 8 tablet, Windows8, Windows8Tablet