Here's how you can keep on top of your battery health: Test your battery with third-party toolsĪnother great way to stay on top and monitor your battery health is by using a third-party, trusted Mac battery tester.ĬleanMyMac X has a handy battery indicator located in its upper menu, which gives you an instant indication of your battery health and notifications of any power-hungry apps that could be causing your battery to drain excessively. If you recognize any of these issues, act quickly before the situation worsens, check if your Mac is still under warranty, and take it to an official Apple service center. You have issues with your trackpad or keyboard Your Mac doesn't sit completely flat on a flat surface There are gaps between the upper and lower parts of the case Examine your battery's physical conditionĬheck your Mac for these subtle signals that your battery might be swelling: If your battery condition is normal and your cycle counts are below 1000, but you're still having issues with battery drain or holding charge, jump to the next section for tips on how to do a MacBook battery test. If your battery condition is anything but normal, you will likely have an issue. Here you'll find information on your cycle count, condition, and capacity. Select Power from the sidebar and take a look under Battery Information. Press down the Option key and select the main Apple menu. It's important to point out that you don't exhaust a cycle count every time you plug in and charge your Mac for example, if you charge your Mac's battery at 60% on one day and 40% on the next, then it took two days to complete one charge cycle.Īpple states that most modern MacBook batteries are built to last up to 1,000 cycles before battery replacement is required, although this may vary depending on your model.īatteries simply don't last forever keeping an eye on your Mac battery condition can help you prolong its lifespan and help you determine how long until you might need a battery replacement. What are cycle counts?Ī battery cycle count is a process of completely charging your Mac's battery to 100%, then wholly using all of its power down to 0%. But officially, Apple uses a cycle count to indicate and determine the lifespan of a device's battery. If you Google the question, you'll find a range of conflicting answers across the forums. Many people wonder what the actual lifespan of a MacBook battery is. Is your battery draining quicker than usual or failing to charge? Then, it's time to investigate deeper into your battery health after all, our Macs are pretty useless without a working or functional battery. So, for example, you could compare your battery’s capacity today with an updated capacity after a two-week business trip and see if using your PowerBook primarily off the battery for a couple weeks reduced its battery capacity.Curious about how to run a Mac battery test? Then you've come to the right place. At any time, you can save your battery’s current battery capacity you can save as many “battery states” as you like, and each will be listed by date. One nice feature: If you connect your PowerBook to an AC adapter that provides too little power-for example, some iBook AC adapters don’t provide enough power to both power and charge a PowerBook simultaneously-coconutBattery will warn you.Īn interesting feature is coconut Battery’s Saved Data drawer, accessible via the disclosure triangle to right of the Additional Info section. However, I think you’ll agree that coconutBattery displays the information in a much more user-friendly manner.)įinally, the bottom of the coconutBattery window displays the cycle count, estimated age of your PowerBook or iBook (which isn’t always correct), and current charger and charging status. (This information is also available via the ioreg command in Terminal, as Rob Griffiths explained in his If you’ve got an older PowerBook or iBook that seems to have a very short battery life, run coconutBattery to see your battery’s current capacity-if it’s low, it may be time for a new battery. For example, in the screenshot above, you can see that my PowerBook G4’s battery originally had a capacity of 4400mAh, but that capacity is now down to 4179. The middle of the window provides information unavailable in Battorox: your battery’s original and current capacity in other words, how much juice your battery should be able to hold compared to how much it’s actually able to store at this point in its life.
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