Been a few days now but it seems power to me is better managed after a reboot and deteriorates over time - almost as if there is a rogue process that sits there drawing more power the longer it runs.
Just a thought.
Sent from my Xperia 2 while my back was turned.
Sony Xperia Z2 running Stock kitkat
Asus Transformer TF101 running KatKiss (KitKat 4.4)
Sony Xperia S | HTC HD2 | Desire (Drowned...
) | Universal(O2 Exec) WM6.1(with Sandisk 8 GB SDHC)
Wizard (O2 mini-S) WM6.1 | Blue Angel (O2 xda II) WM2003SE | Sony Ericsson K800i - my trusty 'thickphone'