It depends, as the software updates, its load on device increases, so battery and all device’s components have to work hard to meet that load which reduces maximum capacity of battery quickly. For example, I have an iPhone 11 which was released with iOS 13 and device was Able to keep up with software load, but now it’s iOS 17 and iOS 18 is coming soon, so they are more heavier for system.

Answer (1 of 4): Q: My iPhone 11 pro max battery health is 85%. Should I replace the battery? A: No * Keep using it until it doesn’t a charge long enough to satisfy your daily activities then take it in to an authentic Apple Store to have the battery replaced with an authentic Apple battery th...

October 15, 2025 - Battery Health Above 85%: Indicates strong performance with minor wear.

October 10, 2023 - Above 85%, your iPhone battery will be able to deliver enough power to handle all the tasks needed, and you still have good battery capacity with this battery health.

June 22, 2024 - However, there is something we usually don’t see coming: the deterioration of the iPhone’s battery health. Ultimately, the once-perfect battery health drops to a gloomy 85 percent, making you wonder whether it’s time to replace the battery ...

November 4, 2025 - Monitor: ≥ 85 percent and stable behaviour. A short diagnostic confirms whether your current battery still fits your needs or a replacement will restore full performance. We service iPhone 6 through iPhone 15 and later, including iPhone 8, ...

If you can't afford a new phone, ... · What you've described is perfectly normal, as charging to 85% will preserve the overall lifespan of your battery, but will likely mean you'll get less usage time between charges....

August 8, 2022 - Eventually, the once-pristine health of your iPhone battery starts at 100 percent, but then drops down to a depressing 85 percent, leaving you wondering whether it’s time to replace it or not, or simply wait to replace your device.

Answer (1 of 12): A2A. As long as your iPhone is performing optimally there’s no need. However usually when it gets to around 80% or below I’d think about getting a replacement.

iOS 11.3 and later improve performance management by periodically assessing the level of performance management necessary to avoid unexpected shutdowns. If the battery health is able to support the observed peak power requirements, the amount of performance management will be lowered.

October 18, 2022 - Your iPhone is at its optimal best when the Battery Health reads between 100% and 85%. If it falls below 85%, Gbese is around the corner, and you might soon experience occasional unexpected device shutdowns.

November 22, 2024 - Many times, a battery that is 85% healthy is not a reason to worry. Like all electronics, your iPhone will break down over time, but it’s still fine to use normally. However, if your phone isn’t meeting your daily needs or if its health ...

Answer (1 of 13): You can keep it as long as you'd like. If you want to save money, just continue to use your iPhone 11. If the battery health drops below 75% and becomes very weak, you can schedule an appointment with Apple and get the battery replaced for $69 which is cheaper than paying $800 f...

February 10, 2025 - Having 85% battery health on your iPhone signifies that the battery retains a significant portion of its original capacity. Apple considers batteries with a capacity above 80% to be functioning well, meaning that at 85%, you can expect decent performance and longevity from your device.

October 14, 2023 - Will be compatible with any future iPhone you get as well ... Get another battery. ... I was in the exact same situation. I had a 12 Pro since launch day in 2020 and it still worked great besides the battery life had really declined. My battery health was at 85%. I didn’t mind charging it overnight and then once halfway through my day as I have a desk job but when I’m not working and doing things where I can’t be connected to an outlet, I would have to worry about the battery lasting.

Whats the Battery Health of your iPhone? Here is mine, 85% after 500 cycles and this is bad.

Also, if you’re in a location where the reception is marginal, your phone will drain itself trying to get a signal. But in general, I know that Apple says the magic number is 84%, but if your battery health is below 90% and you’re having a problem, it’s time for a new battery.

Answer (1 of 2): You should turn ON low power mode, or just let the phone handle it automatically. I wouldn’t replace the battery until it no longer lasts as long as you NEED it to last between opportunities to plug in. Put a USB charging cable and/or power supply by your desk, by the couch, ...

March 27, 2022 - We saw some people came back with good review in terms of battery but some had bad experience. Honest, buying used phone is hit or miss. But the good thing for buying here is that you have 30 days full refund and one year full warranty.