I know it's a beta, just wondering if anyone else has seen similar behaviour on their iOS 6 devices. Since this I have gone back to 5.1.1. My iPhone was at 100% when I went to bed last night, woke up and it was at 92%, so 8% lost overnight doing nothing. I used the phone to listen to music and browse the web on the train to work, and upon getting to work the battery was down to 79%. I got to work at 9:30am and at 11am my phone lit up and told me I had 10% battery left. The phone was hot to touch, and the remaining 10% went within 5 minutes. There was nothing running in the background, the display was off the whole time, no location services running. As I said, I'm back on iOS 5.1.1 now but it was pretty odd as I've never seen this on any of the betas before.