So before root I would go to work and come home with around 70% with usage. I get a 20 minute break every hour and I use it basically every break. And service sucks in our break room. So with texting, videos, Facebook and internet that is good. But for the first few days of root with BB 0.4 with p3 kernel I'm at 50% or less with way less usage. Even with my screen set on low. I thought it was suppose to be better. I'm guessing I should try a different kernel. If you've have battery problems did u switch kernels? Or just the ghz? Which worked better? I'm thinking of going to p3's 1.2 or trying Chevy's.