Juice battery app
Tiny Mac app to make your battery indicator more interesting.
6 Alternatives To Juice battery app
Battery Box
Charge your Macbook anywhere
Battery Master
Need to know how long you can watch your movie on your iPod?
BatteryInfoView
small utility for laptops and netbook computers that displays the current status and information about your battery
BatteryMon
BatteryMon is a battery monitoring software solution.
Coolant
Know when apps get power hungry
SlimBatteryMonitor
SlimBatteryMonitor displays a battery meter in the menu bar for laptop and UPS batteries.