Top rated in Battery Utilities

TLOB
Monitors the battery time remaining when using your Macbook.
1.0
FREE
BattSafe
Shows battery charging data and gives advice on improving its life and capacity.
1.1
FREE
YaBattery
Gives you a comprehensive overview of your battery.
1.4
PowerSaveUPS
Macintosh only scriptable software for controlling UPS.
2.0
Power Save Assistant
Keeps computers running when users need them and accurately.
Install FastAndSlow
This MenuExtra addition adds the ability to switch the Powerbook/iBook CPU/iMac.
FREE
Battery Stats
A quick and simple Status Bar app to show you your remaining battery time...
iPodBatteryIndicator
This small App is used to change the iPod battery indicator.
1.1
FREE
Battery Bar
Battery Bar shows a visible green bar at the top or bottom of your screen.
1.0