When batteries don't get used, they lose health. So, does 93% mean the battery has 93% left to stay alive? On the other hand, if you store it fully charged,the battery could lose capacity, causing it to have a shorter battery life. Download v3.9.3 Plus. Try to avoid exposing your device to extreme temperatures—the ideal temperatures are anywhere between 62° to 72°F (16° to 22°C). This site contains user submitted content, comments and opinions and is for informational purposes only. Follow Apple Hacks over on Facebook and Twitter, or Gadget Hacks over on Facebook, Google+, and Twitter, for more Apple tips. Ask Different works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, iStat Menus also displays battery design capacity, And here I thought a Coconut Battery was something like a. And indeed, it has affected my battery, as the design capacity is now at 61%, meaning that it holds 61% of the charge it initially carried when I first purchased it. The moment the light on the charger turns to green, I disconnect the charger and use the notebook on the battery till the battery level drops to about 40% or lesser (depending the access I may have to the charger). Like Kappy said, the change is not going to be a straight line. Would you buy a new laptop if this started happening? Once I notice that my design capacity isn't as high as it used to be, I'll look into taking the iPhone into the Apple Store and getting the battery (or entire phone) replaced thanks to AppleCare (or your insurance). In response to Kappy. Apparently the OS can report false readings to coconut battery. Let it run down fully. Gee, you have a Coconut battery? In response to Kappy. The standard for battery reading since 2005. Dec 20, 2011 9:52 AM in response to Gautam H In response to Gautam H, Dec 20, 2011 9:25 AM in response to Kappy It shows you live information about the battery quality in your Mac, iPhone and iPad. MacBook Pro battery percentage jumping down and up. But fluctuations of that tiny level (and it is very tiny) are normal and not noticeable whatsoever with normal use. You do not have to calibrate the battery. How can you trust that there is no backdoor in your hardware? Is there a name for applying estimation at a lower level of aggregation, and is it necessarily problematic? These two numbers are in contrast with a battery's "design capacity". Now it shows 92.5%. A macbook's battery has three charge numbers: Even if a Macbook remains plugged in, OS X does not attempt to charge—as long as (1) is 95% of (2), which is why the percentage in the notification bar will often be between 95% and 100%. If your design capacity shows under 90%, the condition of your battery is not that good. rev 2020.11.24.38066, The best answers are voted up and rise to the top. Cycle count. With coconutBattery you are always aware of your current battery health. Battery disuse will reduce its useful life. Best battery life comes from using the battery but you need not use the battery at all times. niekkisjes, Dec 20, 2011 9:23 AM in response to Gautam H, Dec 20, 2011 9:25 AM in response to Kappy, Dec 20, 2011 9:32 AM in response to Kappy, Dec 20, 2011 9:40 AM in response to Gautam H, Dec 20, 2011 9:43 AM in response to Kappy, User profile for user: My air 2 is at 91% and at 151 cycles. The computer is just about 2 months old and the battery has lost about 4% of its capacity. Both of those are rather low for the cycle count. Eventually your battery will lose capacity until it needs to be replaced. If you constantly keep it below 20% or constantly keep it above 80% the battery is over worked, or not getting worked enough. Why wont my f1-f12 hotkeys in game wont work? Apple won't replace the battery as defective because it's still above the 80% capacity that they promise. It is possible that the batteries are 'duds'. Part of the reason for this is that it's not easy to get an accurate measurement of capacity, because a battery is literally a "battery" of many different power cells ganged together, and they age at different rates. Manufacture date. In response to Gautam H. It goes up and down, so you cannot project out very far from a short-term measurement. I checked coconut battery on my Mac and it told me my iPhone's battery was at under 90% design capacity. The iPad one is okay for now, the 6sPlus is starting to get a little low. This design capacity does not appear in Apple's specs, in System Information, or at everymac.com. Check them out! If you only use 75% of the battery one day, charge it back to 100% and then use another 25% the next day, it took two days for you to go through one complete charge cycle. If the "Design Capacity" is 5770 mAh, why is it that just after 30 cycles, the "Current Capacity" shows 5554 mAh ? what is going on? On installing Coconut Battery, under "Battery Capacity", it shows Current Capacity at 5554mAh and Design capacity shows 5770 mAh. I wouldn't worry! How does Coconut Battery determine a Macbook battery's design capacity? having problem with hp laptop. 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How to write an effective developer resume: Advice from a hiring manager, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…. You are using an out of date browser. A single charge cycle consists of using 100% of your battery's power, which can be done in a single sitting or throughout several days. Disclaimer: not affiliated to SystemKit or Beltex. How are you guys using coconut battery when Apple has dropped the battery reading APIs? Because all batteries are not exactly the same, some will have more or less initial capacity when new. If you are not frequently mobile then use the computer on an AC charger. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Guest • Sep 2018 Disagree Agree; Freemium Android. No, I was looking at capacity in coconut battery. Lastly, do you expose it to extreme cold or use the phone when it begins to overheat? Do you let the device die completely frequently? I am using a November 2011 Mac Book Pro 13". Rebooting the iPad brought that up to 89.9%. In response to Kappy. 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. It only takes a minute to sign up. If you're looking for a code-implementation of this command, take a look at Beltex's SystemKit over on Github. In response to Gautam H, Dec 20, 2011 9:23 AM in response to Gautam H What's the current state of LaTeX3 (2020)? Less, User profile for user: Dec 20, 2011 9:48 AM in response to Gautam H Click the battery icon at the top menu bar > Show > Percent. Jan 7, 2013 5:26 AM I've watched my battery capacity number go up and down and up and down repeatedly over time. Apparently the OS can report false readings to coconut battery. 9 Like.