It seems my battery is fare from exhausted even though I get the "Service Battery" too. Henning Coconut Battery has been used by the professionals on this site for over 10 years as you can see from the date of this question and we use it everyday.
It is very well known and most trusted. But you do what you want. Anything else is pointless, it's the SMC services within your system, it's not a software problem. This is just a more aggressive method in resetting the SMC.
The static discharge worked on my 13" MacBookPro with a 3. I had originally removed the battery to fix my track pad. Then I noticed a month or so later the service battery warning. I wasn't using the mac a lot, so not sure if the warning happened right after and I just didn't notice. I went back in, disconnected the battery did not remove , held power button down for 30 seconds, reconnected power cord, and then reconnected battery.
I though it was kind of stupid to be reconnecting the battery while power cord was connected since these batteries are not designed to be replaced by end users and have a wired connection. But it did the trick where as resetting the SMC did not.
SMC reset not static discharge. And you want to remove the power cord from the system when you do it, then you plug it in as you hold it. Show 6 more comments. Rosario rajgoaguy.
Resetting the SMC according to the instructions above by removing the battery did in fact work for a while, but then the service battery error came back. A friend and I have the same problem and I noticed that we also had something else in common--our AC adaptors had fraying at the strain point where the adaptor cord meets the connector.
Perhaps the fraying was causing a discharge issue? Sure enough, once I got a new AC adaptor, the service battery message went away all on its own, and hasn't come back. Good point on having a healthy charger! Yes, it does make a difference. You could also damage your system if the data signal line gets shorted it will blow the charging control logic which is an expensive repair! Always make sure the cords are not damaged and when your wrap them up just loosely making a simple 6" circle with a Velcro tie-wrap, don't use the built in wrap pins on the charger!
We glue them down so our employees don't use them. Not consistent values of current can damage your hardware. Like its happening more ofthen, ist for sure this problem. Chris Perra ichrisp. Try taking it to an AASP Apple Authorized Service Provider and have them run a battery test on it to see if it is failed prematurely or if it's just exhausted. Sotiris Konstas. I have a macbook pro 8,2 early with I tested recalibration for the battery without leaving my pc sleeping for 5 hours and of course i opened from behind to get out the battery and making the trick with the 30sec Dan any advise about this?
Your MacBook has many moving parts, and none more dynamic than your battery. Of course, its condition relies on a lot of factors, and it takes a lot of stress. As such, a Service Battery warning on your MacBook is a cause for concern.
In this post, we show you how to fix the Service Battery warning on your Mac. The quickest way to find out how your battery fares is by selecting it on the Toolbar:. There are a few possible ways to fix the Service Battery warning on Mac. Every time you plug the charger in and connect it to the Mac, the cycle count increases. The good news is you can keep track of your cycle count within macOS.
This will show you all the relevant information for your battery. Next, we take a look at a few methods to resolve it. There are many causes for a failing battery but only a few concrete fixes. Resetting the SMC often does the trick. Even so, you may need to take other steps to fix the Service Battery warning on your Mac.
In fact, Apple also suggests this to help take care of your battery, though the frequency does depend on how often the computer is used. At this point, unplug the charger and use the MacBook until it runs out of battery power. The Mac will sleep without warning, and when this happens, turn it off. This should calibrate your battery. Even so, you may not have much luck here either. There can be many reasons for the warning to appear, such as a faulty battery, issues with the devices you charge through the Mac, and many more.
Though, be mindful that in many cases, the warning is there for a reason. It could be that you do need a new battery. These can run to a sizable three-figure sum, so factor this into your future plans if you take your Mac in to be fixed. Your battery is the beating heart of your MacBook, so keeping it in tip-top condition is vital.
On the whole, you need to check the cycle count of your battery once you begin to see warning signs. From there, you can carry out some of the work yourself or take the MacBook to a qualified technician. Diagnose battery issues. Your notebook battery life depends on your computer's configuration and how you're using the computer. The Battery pane in System Preferences has settings to help improve the battery life on your Mac notebook.
The example above is from macOS Monterey. Some features such as Automatic graphics switching and Power Nap aren't available on all Mac notebooks or versions of macOS.
By default, your display automatically adjusts the brightness to conserve power. If you turn off automatic brightness, you should turn it back on later to preserve battery life. Learn how to adjust your brightness manually. To get service on your battery, contact Apple. In earlier versions of macOS, the battery status might display Replace Soon, Replace Now, or Service Battery if your battery holds less of a charge than when it was new or needs to be serviced.
If the battery's lowered charging capacity is affecting your experience, get your battery evaluated at an Apple Store or Apple Authorized Service Provider. While some third-party apps report on battery health conditions, the data reported by these apps might be inaccurate and isn't a conclusive indication of actual diminished system run time. It's best to rely on the information reported in the battery health menu, described above. Learn how to check your hardware, identify apps or features contributing to high energy use, and resolve charging issues.
A great place to start when troubleshooting battery issues is the built-in diagnostics that are available on your Mac notebook. Learn how to use Apple Diagnostics on your Mac. If you don't find any issues with Apple Diagnostics, read on for more information about troubleshooting your battery.
The battery status menu shows you how much charge your battery has and whether it's currently charging. This menu is at the right side of the menu bar. The battery status menu also tells you if your display or any apps are using significant energy. Also consider closing any apps that are listed to save battery power. If you use Optimized Battery Charging in macOS Big Sur or later, you'll see additional information when your Mac is connected to power, such as whether charging is paused or when your battery will be fully charged.
Confirm the correct wattage AC adapter for your computer. A power adapter rated for a lower wattage than is required for the system might not reliably charge the computer.
If you're not sure which power adapter to use with your computer, learn how to find the right power adapter and cord for your Mac notebook.
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