So I calibrated my battery last night in hopes of bumping up it's longevity, but with no success. Right now I'm at 100% charged, at exactly 50% brightness, Word and Powerpoint open, with the usual browsing. No music or video playing etc. The time remaining is approximately 4 hours. I checked coconutbattery and it says that the capacity is 100% with 201 cycles and 7 month age. Why is it not showing 5:30 to 6 hours (sometimes even 6:30) like it did only 2-3 weeks ago. Shouldn't the calibration help the longevity of the battery? Thanks!