ACPIBatteryManager by RehabMan
How to Install:
Install the kext using your favorite kext installer utility, such as Kext Wizard. The Debug director is for troubleshooting only, in normal “working” installs, you should install the Release version.
Please read this post if you need to make DSDT edits: http://www.tonymacx86.com/mavericks-laptop-support/116102-how-patch-dsdt-working-battery-status.html
Downloads:
Downloads are available on Bitbucket:
https://bitbucket.org/RehabMan/os-x-acpi-battery-driver/downloads/
Archived builds are available on Google Code:
https://code.google.com/p/os-x-acpi-battery-driver/downloads/list