iPhone 13 performance drop, battery issues, random shutdowns

Now it says that my max capacity is at 70%.

The battery should have been replaced when the Max Capacity dropped under 80%.

As it stands, if you continue to use the phone, you can expect more frequent issues with the very real risk of the battery overheating and expanding.......damaging the phone, making repairs to the phone impossible.

So, rather than spending about $100 (U.S.) on a new battery, you will likely have to buy a complete new phone if you do not replace the battery at this time.

The Apple Store / Genius Bar or an authorized Apple service shop can install a new battery. You can find a list of authorized shops in your area using this link:

Find Locations

Your phone is long due for a battery replacement. Batteries are consumables, not sure why you are disappointed.

Batteries degrade over time with usage due to chemical aging.

You can expect about a 1% drop per 50 charging cycles (25 charging cycles for IPhone 14 and older) with average use on an iPhone. This is an approximation, that is why it may be plus or minus a few percent on a month to month basis.

Apple recommends replacing the battery when it's health reaches 80%. To check your battery health, go to Settings > Battery > Battery Health.

It will cost approximately $89 to get it replaced, that is not an extreme amount of money.

I have been treating it good, not charging for nights.

It's not how often you charge it,it's how many complete cycles it has been charged. And Apple recommends charging it every night.

iPhone Battery Replacement.

Apple Service and Repair for iPhone Battery - Apple Support

About Lithium Ion Batteries

iPhone battery and performance - Apple Support (IN)

alíz209 wrote:

That doesn't give an explanation to the glitches and the turning offs though. I am dissapointed because my last phone ( which was an android) lasted for double the years. Imo that is a valid concern for dissapointment

You don't understand how important it is to have a healthy battery in your iPhone. When a battery is as severely depleted as your battery is, normal use of the phone is diminished as you're learning. They can shut down to protect themselves if the battery can't can't handle the load. They slow down. And eventually, they can swell of catch on fire.

Batteries in Android phones don't last any longer. Batteries are consumable parts, which with every full cycle charge diminish their ability to hold the same charge as when new. Just like a simpler example, batteries in a flash light eventually wear out. There is no such thing as a forever battery. At least not in this world yet.

Please heed the advice you're being given and schedule a battery replacement at your absolute earliest convenience. Or trade the phone in and buy a new iPhone.

You can replace the battery now and the phone will go another 2-3 years. Or, you can do nothing and the battery will expand and physically damage the phone, making repairs impossible.

Would you rather be disappointed because you need to buy a new battery now or would you rather be disappointed because you did nothing and the phone will not be repairable in the near future, and you will need to buy a new phone?

Which "disappointment" will you choose?

That doesn't give an explanation to the glitches and the turning offs though.

Of course it does. The battery is defective. It can no longer provide enough power to run the iPhone reliably.

The battery should have been replaced when the Max Capacity dropped under 80%.

Look very carefully at your iPhone. Is there any evidence of swelling with the iPhone case?

As batteries age they become chemically less stable and prone to sudden drops in volts. A change in voltage can permanently damage critical internal components. Safeguards are built into the device that when voltage drops are detected, cut power to prevent damage. This is why the iPhone shutdowns suddenly. The battery capacity measures wattage, not specifically volts.

That doesn't give an explanation to the glitches and the turning offs though.

It absolutely does. The battery cannot output the amount of current needed to properly run the phone anymore, hence the glitches.

Hello~ The iPhone 13 was released in 2021. So five years isn’t too bad. Have the battery replaced and make sure you’re backing up your iPhone. Take a look at this user tip by *Lawrence Finch* as well…

When to charge your iPhone or iPad - Apple Community

~Katana-San~