After rebooting my Evo, the battery always seems to jump down a large amount. If it's at 70%, a reboot will bring it down to about 40%. This only started to happen after I rooted. I'm on Mobster Rom HD with the Buttered Toast kernel. Is there a reason it's doing this? I fully drained my battery and charged overnight to 100% and calibrated, but this didn't seem to help either.