My iPhone 15 pro max has dropped the battery health to 90% at just 255 charging cycles. Many people are showing there screenshots of mobile being at 100% even above 200% charging cycles in the local groups of apple phones.
what could be the reason? Should i sell my phone does it have any kind of issue? It’s mentally affecting me that my mobile’s battery is that much downgraded.
iPhone 15 Pro Max, iOS 17
The Battery Health will drop about 1% for every 25 charging cycles. This is normal.
Your battery has had 255 charging cycles, so 255 divided by 25 = 10.2%
So, it would be normal to expect that your Battery Health was about 90% at this time.
Many people are showing there screenshots of mobile being at 100% even above 200% charging cycles
I have no idea where you picked up that kind of mis-information.
A new battery will be at 100%, but it will never be higher than 100%. Batteries only go in one direction.....and that is down.
Your battery is perfectly normal. Replace it when it is down to 80% Battery Health
The Battery Health will drop about 1% for every 25 charging cycles. This is normal.
Your battery has had 255 charging cycles, so 255 divided by 25 = 10.2%
So, it would be normal to expect that your Battery Health was about 90% at this time.
Many people are showing there screenshots of mobile being at 100% even above 200% charging cycles
I have no idea where you picked up that kind of mis-information.
A new battery will be at 100%, but it will never be higher than 100%. Batteries only go in one direction.....and that is down.
Your battery is perfectly normal. Replace it when it is down to 80% Battery Health
I have a health/cycle history of my iPhone SE 2020 battery's health readings since Cycle #1, and mine was within a point± of yours at 252 cycles. You are seeing normality.
Just like a lead-acid battery in an automobile, your lithium-based iPhone battery degrades with use. It is the nature of the way in which any chemical battery stores and releases energy. No free lunches.
Please do not obsess over an inexact value. Health is based on the average expected capacity of all batteries of one model, NOT your battery's starting point. The vagaries of battery manufacture means that each battery has a slightly different individual max capacity when it comes off the assembly line.
Example: My SE's battery started at over 100%:
Health is remaining capacity divided by design capacity. Design capacity is an estimate, not gospel. I cannot yield a perfect result. Also reported values are non-linear, going up and down slightly over time.
As far as I can tell, Health only exists for only one reason: warranty repair targets. Apple's longstanding policy is that if the battery in a device still covered by warranty falls below 80% at less than 1000 cycles, Apple may consider replacing the battery at no cost to the device's owner.
The "80/1000" rule has no role in determining how long your battery will last. We have an ancient iPad 2 bought in early 2012 that has about 1300 cycles and only about 70% health, yet still delivers acceptable runtime for the limited apps and games it now serves.
Again, please do not let a normal chemical reaction cost you sleep.
Your friend has an amazing battery then. It was somehow really at 108% when it was new.
Life is tough for us normal folks. You and I have to be content with having normal batteries.
Take your battery in to the Apple Store to have it tested to confirm that everything is normal.
Well, my best Friends Mob battery health is still 100% at 170 cycles.
how can you say it drops 1% after 25 cycles?
My iPhone 15 Pro Max battery has dropped to 90 at the cycles of 255.
