The most recent iPhones present the units’ battery cycle rely, serving to customers monitor the long-term “health” of the battery. Displaying this information is easy, although it’s considerably hidden.
As well as, you may examine when the iPhone 15 or 16 was manufactured and first activated. (Observe: This doesn’t work with earlier iPhones.)
Batteries have a restricted lifespan
Diamonds are ceaselessly however batteries aren’t. Lithium-ion batteries in telephones, laptops, and many others., inevitably put on out. Every one comes with a restricted variety of occasions it may be charged and discharged. A basic vary to anticipate is 300 to 500 cost cycles, however Apple makes use of such high-quality batteries within the iPhone 15 and 16 collection you could anticipate two or thrice that many cycles. Checking your iPhone battery cycle rely may give you perception into your utilization habits in addition to the battery’s well being.
Nonetheless, checking the iPhone battery cycle rely shouldn’t be as simple because it sounds. Merely plugging within the machine to cost doesn’t mark the beginning of a brand new cycle. That occurs solely after all the battery’s energy has been expended.
“You could use half of your laptop’s charge in one day, and then recharge it fully,” Apple says in a assist doc about battery life in MacBooks. “If you did the same thing the next day, it would count as one charge cycle, not two. In this example, it might take several days to complete a cycle.”
Figuring out what number of cycles a battery has been by means of provides a tough approximation of how closely the machine has been used — and subsequently how a lot life it has left.
The way to examine the iPhone 15 and 16 battery cycle rely
The iPhone battery cycle rely was hidden in Settings. Not anymore.Picture: Ed Hardy/Cult of Mac
To examine your iPhone battery cycle rely, open the Settings app and scroll right down to the Battery part. Now faucet on Battery Well being. You’ll see Cycle Depend clearly listed. Additionally displayed in that part is the month the iPhone was manufactured, in addition to the month it was first used.
At one level, Apple buried the cycle rely data within the About part of the Settings app. Nonetheless, that made no sense and is now not true.
Monitoring iPhone battery well being
The iPhone battery cycle rely serves as an approximate manner of figuring out the well being of a battery. Subtracting the variety of cycles already used from the estimated lifetime expectation provides a basic sense of how for much longer a battery will perform. And the expectation is excessive: “Batteries of iPhone 15 models are designed to retain 80% of their original capacity at 1000 complete charge cycles under ideal conditions,” Apple says.
Nonetheless, iPhone customers don’t must depend upon this one methodology. You may look in Settings -> Battery -> Battery Well being to see how a lot utilizing the iPhone has diminished the full quantity of energy it could retailer. That’s the Most Capability entry. The rule of thumb is {that a} battery that gives lower than 80% of most capability needs to be changed.
Within the instance within the screenshots above, the iPhone 15 has undergone 232 charging cycles since September 2023, and its Most Capability is at 98%. That provides the handset a Regular battery stage.
We initially printed this text on the best way to examine your iPhone battery cycle rely on October 6, 2023. We up to date the data.