Make sure the ‘This Mac’ tab is selected, and from top-to-bottom, you’ll see the following information about your battery: Let’s work our way through coconutBattery’s user interface. The maximum capacity your battery can currently be charged. Your battery’s capacity when it left the factory. By comparing this design capacity to the full charge capacity, you can see exactly how much capacity your battery has lost since it was fresh out of the factory. coconutBattery uses your battery’s serial number, to work out its age. A cycle occurs every time you use 100% of your Mac’s battery power, regardless of the number of sessions, or whether you attach your Mac to a power outlet midway through a cycle. For example, you might use 90% of your Mac’s battery, attach your Mac to a power outlet and wait for it to reach 100%, and then use another 10% of its battery. Even though you currently have 90% battery remaining, this is still considered one complete charge cycle. The batteries included in newer machines (MacBooks, MacBook Airs and MacBook Pros released from 2009 onwards) can generally reach 1,000 cycles before their battery is considered “consumed,” and needs to be replaced. This is the temperature inside your battery. Recording the health of your battery over timeĪre you really getting less out of a single charge, or is it all in your head? To help keep your battery in tip top condition, you should try and keep the battery temperature as low as possible. You can remove this element of doubt, by using coconutBattery to record your Mac’s charge capacity and the number of cycles completed.
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