Re: How to check the battery discharge rate in Ubuntu 12.10
I believe clicking the battery icon in the upper bar should work, but if it doesn't, you could try using powertop. You can run it from the terminal by typing powertop. Off course you'll need to install it first. It will also gives you options to save some more power as an added bonus.
Intel Core i7 3770 @ 3.40Ghz | ASRock Z77 Extreme4 | Sapphire Radeon HD 7800 | HL-DT-ST BD-RE BH10LS38 ATA Device | OCZ Agility 3 SATA III SSD 60GB (ntfs [win7 boot], ntfs [win7], ext4 [linux]) + 2x Seagate Barracuda 500GB (RAID0, ntfs [data])