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Hi everyone, a new iPhone user here. I bought a 14 plus 2 months ago. The battery health indicator was initially showing 100% and it has fallen to 99% about 2 weeks back. I casually searched the web and general opinion is that this is nothing to worry about. A colleague of mine had actually tried to dissuade me from buying the iPhone citing these issues and I’m still a bit apprehensive about it. Is this normal? Is there anything that I can specifically do in order to prevent premature battery failure?

P.S: Currently running iOS 17.0.3. Usually I charge at around 20% all the way till 100%. But unable to stick to this schedule while travelling. Only once (today), I had taken it to less than 5%.

Nothing to worry to be honest, mine is a version 13 and is just 14 months old, and my battery health is down to 93% already. This is when I use the 15W charger from Samsung and don't overcharge it. Checked with few others and its the same story. I guess it starts reducing the moment it starts recharging.

But, I haven't seen any major change in its useable timings so far. In fact it is now way better in 5G in a different geographic location, compared to pathetic VI sim I used back in India.

The sad part is that Apple in India has some of the highest prices worldwide, and yet has the worst possible customer service experience. I’m sure they simply don’t include India in their customer satisfaction scores, else it would be abysmal (not the 98% they claim).

The other point to note is that even with local manufacture of non-pro iPhones, the prices are still exorbitant. Customs duty is no longer an excuse!

And increasingly, the products are having much higher failure rates too. Slippery slope overall :thumbsdown

Was a huge Apple fan since the early 2000s, not anymore. The products, longevity and the ecosystem are generally great, but if you encounter an issue with repairs/warranty, the nightmare begins. Reminds me of Škoda lol:

Same for me. I waited for 2 days before mentioning this as iOS usually takes 24 to 48 to optimize the battery usage. Even battery capacity has reduced by 2 percentage and now it is at 86%. May be the new wallpaper (Kaleidoscope) is also eating battery as it is dynamic one.

Here’s couple of articles from Apple support

https://support.apple.com/en-gb/HT208387


https://support.apple.com/en-in/HT210512

Not normal at all, it takes my iPhones many months to go from 100 to 99% health (5-7 months mostly). It could be your phone shipped with a slightly lower actual capacity (close to its rated capacity). Generally every iPhone ships with 103-104% capacity from the factory, but some can be closer to 100.5 or 101%, in these cases, the battery health shown in settings, will fall faster.

Like car speedometers, the percentage shown in settings if off by 3-4%, and like speedometers it over reads by the same percentage.

Check your nominal charge capacity under privacy-analytics-analytics data and divide with your max FCC to get your actual battery health. Or you can use a shortcut like this:

https://www.icloud.com/shortcuts/87c...9b63de4ae5ad5a

What I’ve found over the years is, the single biggest factor wearing out my iPhones battery is heat, most of which happens during charging or heavy use like camera and gaming. For this, simply use an ice pack when using MagSafe or whenever it gets very hot, if your display dims even a bit, your phone is too hot and it’s hurting the battery.

Also, with the 15’s finally offering a charge limiter, you can program it to stop charging at any preset value, generally 80% is a healthy cutoff. 20% when using, going below or above these one or twice won’t hurt anything but regularly letting it sit at 100% kills your battery health over time.

Does 15 Plus has a charge limiter or it's reserved for Pro'a only?

Also, I have read this don't charge your iphone to 100% lot of times. However, my experience has been a little different. I leave the phone on overnight charging and when I wake up in morning it's 100% always. It's been 13 months since I got this and battery is at 96%. And I am a heavy user.

By the way from day one I have used the Apple 20W charger.

Like I do, you guys can use a WiFi socket or a timer plug in case you don't have WiFi at home and program it to switch on every night by say 3 AM and turn off by 5:30 AM. Plug in your phone when you go to sleep in this socket and the charging will start at 3 AM and switch off at 5:30 which is enough to fully charge your iPhone without stressing the battery by keeping it plugged in (& at 100%) for the entire night.

Yes its available. 80% limit.

The battery health of my iPhone 13, purchased in April '22, is down to 91% already. Have regularly charged the phone only with the original Apple charger and limit my charge to 90-92% on a daily basis. Full-charge only when traveling. Have noticed that the battery health has taken a downward slide especially after updating to iOS 17. If I use 5G, be it Airtel or Jio, the drain is accelerated. It's possible that dual-SIM usage on the phone is a contributor for faster battery drain.

In comparison, my iPhone 12 Pro purchased just a few months earlier than the 13, surprisingly fares much better in comparison, with regard to battery health.

I have an even more simpler solution than this. This is what I use. I have added an Automation which is present in the Shortcuts App.

The Automation is triggered when my phone’s battery reaches 96% and then a preselected Song plays. You can customise the battery percentage as per your convenience and when it charges above it the song will play.

Note: Keep the Notify when Run setting off. I am not sure if it works with other Music apps. I am using the Automation via Apple Music. Also, this is applicable to the users who don’t charge overnight. The last thing I want is someone to disturb your sleep, let alone your phone. lol:

Attaching pictures for reference:

I think that's quite normal percentage drop. Wife's iphone 13 also purchased in April 22 is showing 90% battery life. She uses it atleast 50% less than me and charges only once a day. While I charge my iPhone 13 much more as I use it a lot. Battery drain on 5g and even on wifi is definitely more on ios17. IOS was much better in battery drainage.

Yes, I too use this Automation from the Shortcuts App, it's the best one.:cool:

Yes all 15’s get the charge limiter function, hopefully it comes to all iPhones soon as it’s just basic software tweaks. You can also check cycle count much easier on the 15’s.

Heavy user doesn’t necessarily mean high cycle count, for eg. if you have a lot of screen on time but don’t use processor intensive tasks like 3D gaming or heavy camera/LIDAR use, then you’ll still have a low cycle count relative to someone who goes through more charge-discharge cycles.

Regarding 100% soc, it’s a well documented fact with any lithium chemistry, be it Li-ion, Li-poly or Li fe or any other combo with lithium, from the smallest cells found in rc toys to giant packs inside Tesla’s, the cells will age much quicker if kept outside the 80-20% soc range. This is the reason Apple and tesla and many other EV’s limit charging to 80% (unless the user overrides it), to reduce cell health degradation.

Hi, are you looking for something like this?
https://amzn.to/3Fdyjhj

I have been using 2 of these for about 1.5 years now. They work really well.