If you use 90 percdent of your Mac’s power until it reaches 10 percent power, charge it to 100%, and then use a tenth of the power in the now charged Mac, that counts as a single charge (90 +10 = 100). A battery cycle represents what happens when the battery is fully charged and then used until it empties – that’s one cycle. The batteries used in notebooks are not built to last forever.īattery cycles are a shorthand used by manufacturers to estimate battery life. Service Battery: Don’t panic, you can keep using your Mac, but you really should take the machine in and get it services.Replace Now: You can keep using the battery, but don’t expect too much time between charges, and you should look to replacing it.Replace Soon: The battery works but needs replacing.Option-click the battery icon in the menu bar, and you will see one of these statements: You can also get a general sense of battery health using the battery icon. This tells you your current cycle count and lets you know the condition of your battery.In the right-hand window in the next pane look for Health Information.NB: Hold down the Option key when you press About This Mac to open the System Report directly.Press this button, and a new window appears offering all kinds of hardware-related information about your Mac – choose the Power section.At the bottom left of that window you’ll find a button called ‘ System Report’.General information about your system will appear in a small window.
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How to check the battery cycle count on MacsĪpple makes it easy to check the battery cycle count on Macs you just need to follow these instructions: That way you know why what you are buying seems to be a bargain and can plan in advance for a battery replacement. This is why you need to know how to find the battery cycle count data, particularly if you are about to purchase a second-hand Mac notebook. They usually work way beyond that number (it’s kind of notional), but you may experience increasingly low battery life between charges until you end up with a notebook you have to plug into power to use. The company also says: “Your battery is designed to retain up to 80 percent of its original capacity at 1,000 complete charge cycles." The batteries used inside Macs are built to handle a number of battery cycles.Īpple advises that once your battery has used up all these cycles, it should be considered as needing replacement. That’s when I remembered this little-known, but really quite useful (and mercifully short), Mac tip that helps you get some kind of insight into your Mac’s battery health. That’s when I thought it might be worth sharing this little tip, given lots of people will be selling Macs to get hold of a new MacBook Air.
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After removing the case, simply unplug the wiring clip of the old battery from the main circuit board and plug the new battery clip in the same spot.A friend of mine was considering purchasing an old(ish) MacBook Pro and wanted to check the battery life as they arranged the deal. We include the two special Apple screwdrivers required to remove the laptop casing. To replace your MacBook Air A1237 battery, you will need to remove the bottom case and then change out the internal battery. The MacBook Air 13" A1245 battery is located inside the laptop. We're so confident in our quality that we back each battery with a 2 year warranty and 30 day money back guarantee. Our batteries last nearly six times longer than cheaper, lower quality batteries.
We use the highest quality lithium-polymer rechargeable batteries that last longer and charge faster than most standard batteries. Or give us a call and we will be happy to help.
Don't see yours listed? Go to our MacBook Air 13" battery page for the complete list. This battery is compatible with the 2008 - mid-2009 13-inch MacBook Air. This will list the model, size and year of manufacture. The second way find your Mac model number is by navigating to "About this Mac" from the Apple menu and selecting "More Info". The model number should be printed on the bottom of the laptop.
Shut down your Mac and flip the computer upside down. There are two ways to check what MacBook Air model you have. This A1245 battery is only compatible with the MacBook Air models A1237 and A1304, made between 2008 and mid-2009. Give your laptop a new lease-on life with a new MacBook Air 13" A1245 battery.