How to Check iPhone Battery Health

One of the most crucial components of your iPhone is its battery. Checking your iPhone’s battery health regularly can help you identify potential issues and act accordingly, maximizing its performance and lifespan. In this article, we discuss various aspects of iPhone batteries, how to monitor their health and usage and assess their condition.

:bulb:Pro tip: Concerned about your iPhone’s battery health? We have the perfect solution for you. Introducing iCareFone – the ultimate tool to help you check and optimize your iPhone’s battery health effortlessly.

With just a few simple steps, you can gain valuable insights into your iPhone’s battery performance and take proactive measures to extend its lifespan.

Step 1: Download iCareFone to your PC or MAC – it’s quick and hassle-free!

Step 2: Connect your iPhone to your computer using a reliable USB cable.

Step 3: Launch iCareFone and follow the intuitive instructions to check your iPhone’s battery health.

iCareFone is compatible with various Apple devices like the iPad, iPhone 14, 13, 12, 11, XS, XR, S, 8, 7, 6, 5s, and 5.

Understanding iPhone Battery and Performance

iPhone Design and Battery Performance

The smooth and user-friendly experience of an iPhone is attributed not only to its innovative design but also to its sophisticated technologies – particularly in the area of battery and performance. iPhone’s hardware depends heavily on the efficiency of its built-in rechargeable lithium-ion batteries over time. Understanding factors that contributed to battery life and expected performance decline can help you address any concerns.

Lithium-ion Batteries in iPhones

Compared to older-generation batteries, lithium-ion batteries in iPhones provide faster charging, longer life, and higher power density for increased usage time with a lighter package.

Battery Life and Lifespan Factors

Battery life refers to the period a device can run before needing a recharge, while battery lifespan is the time it takes before it needs replacement. Both are influenced by how you use your device, including charge cycles, apps used, screen brightness settings, temperature conditions, etc.

Maximizing Battery Performance

To ensure optimal battery health and longevity, follow these tips:

  1. Keep your iPhone half-charged if storing it for extended periods.
  2. Avoid charging or leaving the iPhone in hot environments or direct sunlight for long durations.
  3. Regularly update your device software.

Understanding the effects of chemical aging on battery capacity and peak power enables better decisions regarding your iPhone’s overall health.

Preventing Unexpected Shutdowns

When your device has a low battery state of charge or a higher chemical age than usual (exacerbated by cold temperatures), unexpected shutdowns may occur more frequently. To prevent this issue, iOS dynamically manages performance peaks in various iPhone models (6 and later) to ensure continued usability without unexpected shutdowns.

Monitoring iPhone Battery Health and Usage

Viewing Battery Percentage

To display your battery charge percentage on the Home screen:

  1. For iPhone X or newer: swipe down from the top right of the screen to show the Control Center.
  2. For older iPhones or iPads: open Settings > Battery and enable ‘Battery Percentage.’

Accessing Battery Suggestions

You may receive recommendations on the battery screen to improve battery life and capacity. Examples include dimming your screen brightness or turning it up for better visibility.

Analyzing Battery Life Numbers and Graphs

Battery usage details available include the last charge level, battery level graph, activity graph, average screen-on time, average screen-off time, etc. These statistics offer insights into optimal device usage.

Changing Battery Life View

Switch between 24-hour and 10-day views through the battery settings to analyze trends in your usage patterns over time.

Reviewing Battery Usage By App

Identify apps consuming the most battery power by checking a list that sorts applications by their percentage of battery consumption. You can also view both foreground and background activity from each app to determine where improvements can be made.

Assessing Your Battery’s Health

Checking Overall Battery Health

To evaluate your iPhone’s overall health:

  1. Open Settings > Battery > Battery Health.
  2. View your device’s maximum capacity percentage relative to a new battery.

If the capacity is relatively low or rapidly declining, consider replacing your device’s battery.

Evaluating Peak Performance Capability

Performance status based on capacity helps determine if your battery is operating under normal peak performance or if you need to replace it. To access this information, navigate to the “Peak Performance Capability” section in the Battery Health settings.

Ultimately, regularly assessing your iPhone’s battery health can lead to better performance, longer battery life, and a greater overall device experience. Moreover, while checking your iPhone battery health, you can also conveniently disable SOS iPhone to prevent any accidental emergency calls.


  1. How do I check my iPhone’s battery health?

    A: To check your iPhone’s battery health, go to Settings > Battery > Battery Health. You will see information about your battery’s maximum capacity and peak performance capability.

  2. What is a good battery capacity percentage for my iPhone?

    A new battery starts at 100% capacity. Normally, a battery retains its original capacity up to 80% after 500 complete charge cycles under normal conditions. If your battery’s maximum capacity percentage is significantly lower than 80%, you may consider replacing it for optimal performance.

  3. Are there any tips for maximizing my iPhone’s battery performance?

    Yes, here are some tips to maximize your iPhone’s battery performance:
    – Keep your iPhone half-charged when storing it for extended periods.
    – Avoid charging or leaving the iPhone in hot environments or direct sunlight for long durations.
    – Regularly update your device software.

  4. How do third-party apps help monitor my iPhone’s battery health?

    Third-party apps provide additional insights and statistics about your iPhone’s battery usage and offer suggestions to extend your battery life based on app usage patterns and other factors.

  5. What does “peak performance capability” mean in the Battery Health settings?

    Peak performance capability refers to the ability of your iPhone’s battery to deliver maximum instantaneous power without causing unexpected shutdowns. If your battery can support normal peak performance, it can provide sufficient power for the smooth functioning of your device.