Originally Posted by Xlr8torZ28
Just to be clear, the phone can usually go 2 days before it would go totally dead and literally changed that day.
Install betterbatterystats (search on xda) - that thread has many details to debug the batter issues. Anything could have changed, there were lot of updates to google related apps in the past few days any of which could have changed the setting started draining the battery. It could as well be a coincidence.