FruitJuice works by tracking the battery's condition and usage in real-time and provides a complete picture of the battery's health in a simple, elegant OS X interface.
According to the "Apple Notebooks" webpage:
"The built-in battery of your MacBook, MacBook Pro or MacBook Air is designed to deliver up to 1000 full charge and discharge cycles more...
Note: The demo version is currently at 2.0.24. The version available for purchase is 2.2.4.
- Show full text of notifications when clicked in Notification Center.
- Localize the text of the chart key in the Power History view.
- Update font used in the menu bar to use the system font.
- Prevent system sleep during Maintenance Cycle.
- Language updates.
- OS X 10.8 or later