Battery life for the first couple days on 246/247 was crap, but now on fourth day, it's looking much better. I disabled virtually all bloatware immediately after the upgrade, and last night got busy with smart actions. Smart actions is awesome! Today, with almost 5 hours of moderate use, I'm at 70%, whereas two days ago I was around 40% at same point. Holding off on a FDR to see if a little time is all that was needed for things to 'settle in.' If i can last 14 hours on a single charge, I'll be right back where I was on 905, and very happy.