The battery is one of the most vulnerable components of any smartphone. Over time, batteries wear out, and even reliable devices can suffer from Apple They start to discharge faster, hold a charge worse, and work unstably.
In this article we will examine:
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How to check the battery health on an iPhone
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What signs indicate wear?
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When is it really necessary to change the battery?
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How to extend its service life
How to check the battery health on an iPhone
Apple has provided a built-in tool for checking battery health.
Via iPhone settings
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Open Settings
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Go to section Battery
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Select Battery status and charging
Here you will see:
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Maximum capacity (%)
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Peak performance
What does maximum capacity mean?
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100%–90% — the battery is in excellent condition
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89%–80% - normal wear and tear
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below 80% — the battery needs to be replaced
Peak performance
If the system shows:
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"Supported" - everything works fine
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"Performance is reduced" - the battery is worn out
Additional verification methods
1. Via third-party apps 📊
You can use diagnostic programs that show:
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number of charging cycles
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real capacity
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battery status
2. Through service diagnostics
At a service center, for example rudservice, you can get:
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accurate battery data
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checking the operation of the power controller
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replacement recommendations
Signs of a worn-out battery
Even without checking the settings, you can tell that the battery is no longer in good condition.
1. Fast discharge 🔋
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The iPhone runs out of battery in a few hours.
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the charge is falling before our eyes
2. Unexpected shutdowns
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the phone turns off at 20–30%
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especially in cold weather or under stress
3. Slow operation of the device
Apple may reduce performance to protect the system from crashes.
4. Overheating
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the device gets very hot
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especially when charging or using
5. Battery swelling ⚠️
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the screen starts to move away
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the body is deformed
This is a dangerous situation - the battery needs to be replaced immediately.
When to change the battery
Replacement is recommended if:
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capacity below 80%
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the phone's battery drains quickly
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shutdowns appear
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the device is unstable
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the battery is swollen
How long does an iPhone battery last?
On average:
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2-3 years of active use
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500–800 charge cycles
After this, the capacity decreases significantly.
How does an iPad battery replacement work?
1. Diagnostics
Checked:
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battery status
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power controller
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general condition of the device
2. Replacing the battery
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careful opening of the case
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installing a new battery
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sealing the device
3. Testing
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checking the charge
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autonomy test
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system operation test
Why you shouldn't change the battery yourself
Risks:
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display damage
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breach of tightness
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using a low-quality battery
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risk of fire
It's better to entrust the work to professionals, for example rudservice.
How to extend battery life
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Don't drain your iPhone's battery until 0%
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Don't keep it on 100% all the time
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Use original chargers
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Avoid overheating
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Turn on Optimized Charging
Conclusion 🎯
The iPhone battery is a consumable item that wears out over time.
The main signs that it’s time to change the battery:
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capacity below 80%
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fast discharge
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unexpected shutdowns
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overheat
Timely battery replacement allows you to:
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restore normal battery life to iPad
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improve performance
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extend the life of the device
If you notice problems with your battery, don't delay diagnostics. Professional service rudservice will help you quickly and safely replace your battery and restore your iPhone to full functionality. 🔋🚀
