With coconutBattery you're always aware of your current battery health. It shows you live information about your battery such as how often it was charged and how is the current maximum capacity in relation to the original capacity your battery had when it left the factory.

You are also able to save the current maximum capacity of your battery. So you can see the changes of your battery health over time.
With the online service "coconutBattery Online" you can now compare your battery capacity with others.

CoconutBattery shows:

• Current charge: The current battery charge (in mAh - miliampere-hour)
• Maximum charge: The maximum capacity your battery can be charged with (in mAh - miliampere-hour)
• Current capacity: see ->"Maximum charge"
• Design capacity: The capacity your battery could be charged with when it left the factory (in mAh - miliampere-hour)
• Mac model: The Apple model identification string for your Mac
• Age of your mac: Calulates the age of your Mac using the coded production date in the serial number of your Mac
• Battery loadcycles: How often was your battery loaded from 0% to 100%? (Apple battery information page)
• Battery temperature: Well, this is the current temperature inside your battery
• Battery power usage: Using the MacOS internal power information, coconutBattery calculates the current power consumption of your MacBook.

If you like coconutBattery and want to support the future development you might want to consider purchasing a license for the Plus-Upgrade. If not, a donation is always very welcome.

Versions:
• Download is for current version
• Intel version 3.8.3 for OS X 10.11
• Intel version 3.6.4 for OS X 10.10
• Intel version 3.3.4 for OS X 10.7 - 10.9
• Intel version 2.8 for OS X 10.5.8 - 10.6

Requirements:
macOS 10.12+
Intel