System Tools › Battery Utilities

Battery Report creates detailed reports about your computer and any connected power sources.

Little app that shows your notebook battery level as an adjustable floating icon.

Battery Field (B.T Field) show your Mac's battery information in a cool way.

It combines the battery icon and the remaining time indicator.

Free

Displays battery information on your screen at all times.

It audits and helps you better understand your Mac's energy use.

With Mi-Fi Monitor you can keep track of your router's battery and signal levels

Battery Time shows the remaining time your MacBook can run on its battery.

Free

This small App is used to change the iPod battery indicator.

The application monitors the status of your battery and power.

Free

It monitors and notifies you of Bluetooth battery levels.

Free

Battery Spy measures the time it takes for your battery to empty.

Menu bar app that saves battery life and keeps your Mac cool.

Free

This is an OS X tool that warns you if your iOS devices need a charge.

Free

Battery Widget keeps you updated with the battery level.

Shows you the remaining battery lifetime in the menu bar.

Gives you a comprehensive overview of your battery.

Free

Display the headset battery status and notifies you when battery gets low.

Free

Toggle the Low Power Mode on and off from the menu bar.

Macintosh only scriptable software for controlling UPS

A quick and simple Status Bar app to show you your remaining battery time...

Free

Battery Checker notifies you when your device battery is full.

Tool that monitors and optimizes the battery life.