With most versions of macOS, you can find your computer’s serial number and model information in the About This Mac window.Ĭhoose Apple () menu > About This Mac. You can find the serial number and other identifiers for your MacBook in macOS, on the computer’s surface, and on its packaging. Locate your serial number, model identifier, and part number Or you can send us the serial number of your Mac using our contact form and we can let you know what type of Mac you have, and what your optons are for a battery replacement. If you are not sure which type of MacBook you have, we have some information pages which can help. For optimal performance, replace your battery before you reach the maximum cycle count. Knowing how many charge cycles are on your battery and how many are left can help you determine when a battery replacement is required. You can use your battery after it reaches its maximum cycle count, but you may notice a reduction in your battery life. Once consumed, a replacement battery is recommended. If you did the same thing the next day, it would count as one charge cycle, not two, so it may take several days to complete a cycle.īatteries have a limited amount of charge cycles before they are considered to be consumed. For instance, you could use your MacBook for an hour or more one day, using half its charge, and then recharge it fully.

A charge cycle means using all of the battery's power, but that doesn't necessarily mean a single charge. Use of your MacBook battery is counted in the form of charge cycles.

How to access information about your Mac battery: If your battery is listed as anything except, Condition: Normal, then you should replace your battery. The condition rating can be 'Normal', 'Replace Soon', 'Replace Now', or 'Service Battery'. Click on the Power section in the list and you’ll find information like the cycle count and condition rating. This is located in Applications > Utilities and can also be accessed by going to the Apple menu > About This Mac > More Info. The fastest way to check if your MacBook is in need of a new battery is to open System Profiler. Looking for iPhone battery replacements? How to tell if you need a new Mac battery The battery in a MacBook, whether it's a MacBook Pro or Air, can be replaced with a new model and many more years use can be had. They are not designed to be replaceable by members of the public, which makes some people think that they are not replaceable at all. The issue comes when it is time to replace the battery. There is nothing that anybody can do to prevent that. But, the battery life will get worse over time. It's normal for MacBook Air users to get 12 hours on a single charge, and MacBook Pro users should get several hours, even if the laptop is a few years old. The battery life of an Apple MacBook is something that PC laptop users dream about.

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