Checking Battery Health on Android and iPhone: A Step-by-Step Guide

By Surura Umar - Posted: Mon Oct 27 2025: IST
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Introduction

Suppose Rohit is a second-year engineering student who takes his online classes on his iPhone 14. Recently, he has been dealing with fast battery drainage, which has caused him a lot of trouble keeping up in his class. He told his best friend, Ridhima, about it; she advised him to check his battery health to be sure what the issue is. When he checked the battery health on his iPhone 14, it showed 69%. This explains a lot, as low battery health can cause shorter usage periods, slower charging, and any unexpected shutdowns. So, he decided to get it replaced in the Apple store at the latest. A healthy battery ensures optimal phone performance with efficient charging, which lasts longer. This saves him the hassle of regular replacements and any sudden interruptions.

If you are also wondering how to check battery health on both iPhones and Android devices, this blog explains the same in detail. The signs of a healthy battery and share actionable tips to maintain battery life. The guide teaches you to monitor and care for your battery, keeping your smartphone running efficiently in the years to come.

 

The Significance of Battery Health

Battery health is understood as the overall condition and capacity of a smartphone’s battery compared to when it was newly purchased. As time passes, lithium-ion batteries tend to naturally degrade due to charge cycles, usage patterns, and multiple environmental factors. A healthy battery is prominently known for its original capacity, ensuring consistent performance and a longer usage between charges.

 

The Causes of Poor Battery Health

As the battery health declines gradually, the noticeable impacts on smartphones are as follows:

  • Reduced Performance

Most devices automatically throttle processing power to prevent any sudden shutdowns when the battery cannot supply enough energy.

  • Unexpected Shutdowns

The phone may turn off abruptly even when some charge is left. This is possible when the battery cannot maintain a stable voltage.

  • Shorter Battery Health

Over time, the phone would not last long on a full charge. It tends to require multiple charges throughout the day.

 

The Advantages of Monitoring Battery Health

There are several benefits associated with regular battery health checks. Some of them are mentioned as follows:

  • Planning for Replacement

Frequent battery health checkups prevent any sudden battery failure. One can prepare oneself beforehand to decide whether to go for repair or replacement.

  • Optimising Device Performance

A known battery health status helps to maintain smooth operation without any unnecessary slowdowns.

  • Extended Longevity 

One can avoid overcharging by taking preventive measures. This can further lead to a prolonged lifespan of your battery and your device.

 

Steps to Check iPhone Battery Health
You can check the iPhone’s battery health by following a simple procedure laid down below.

  1. Go to Settings → Battery → Battery Health.
     
  2. Check Maximum Capacity and Peak Performance Capability.
     
  3. Interpret the readings: what percentage indicates a healthy battery.

 

Apple’s iOS has a unique feature to automatically alert its users when the iPhone battery health is declining significantly. The device showcases that the battery can no longer deliver peak performance. This can be checked the following way: - Settings → Battery → Battery Health & Charging stating “Service Recommended.”

This is not an emergency sign; however, it shows that you should consider visiting an Apple Authorised Service Provider for battery replacement soon. You must keep a check on such alerts to ensure your iPhone continues to function smoothly and efficiently.

 

Steps to Check Android Battery Health 

Battery health in Androids can be checked in multiple ways, depending on the manufacturer and its version. Different brands like Samsung, OnePlus, Xiaomi, and Google Pixel often include their respective diagnostic tools or menus to check battery health. 

A step-by-step guide is given to check battery health on most Android devices:

  •  Go to Settings → Battery → Battery Usage / Battery Health.

This section showcases how the battery is performing. It includes screen-on time, power-hungry apps and the remaining charge.

  • Use Built-in Diagnostics (if available).

Most brands provide quick tests to check the battery health status. These can be understood as follows:

  • Samsung: Dial *#*#4636#*#* or use the Samsung Members app → Diagnostics → Battery Status.
  • OnePlus: Go to Settings → About Phone → Diagnostics or use the OnePlus Diagnostic Tool (in newer versions).
  • Xiaomi/Redmi: Check Settings → Battery → Battery Health (if available) or use the Security app → Battery.
  •  Use Third-Party Apps.

If your phone doesn’t show battery health by default, apps like AccuBattery, Battery Guru, or Device Info HW can estimate battery capacity, charging speed, and overall wear.
 

 Key Signs indicating a Healthy Battery 

Sign

Description

Retains charge well throughout the day

A healthy battery holds enough power to last several hours of normal usage without frequent recharging.

Charges quickly and efficiently

The battery charges at a consistent speed and reaches 100% without overheating or stalling.

No unexpected shutdowns

The phone doesn’t power off suddenly even when the battery percentage is above 0–10%

Maintains performance under heavy usage

Apps, games, and multitasking run smoothly without lag or performance drops caused by power limitations.

 

The Conclusion

To conclude, maintaining good battery health is one of the simplest and most effective ways to ensure your smartphone performs at its best. Just like Rohit’s experience, a quick check can reveal whether your battery needs attention or replacement, saving you from daily frustration and slow performance. Whether you use an iPhone or an Android device, regularly checking your battery health helps you stay proactive. It not only improves daily usability but also extends the overall lifespan of your device. Simple habits like avoiding overcharging, keeping your phone cool, and using certified chargers can significantly maintain optimal performance. Your smartphone is an essential part of your daily routine. Keep its battery healthy, and it will keep up with you effortlessly. So, take a few minutes today to check your battery health and give your device the care it deserves.

 

Surura Umar

Content Writer

Surura Umar is a skilled writer with 5 years of experience who bridges the gap between technology and communication. She crafts clear, engaging content that educates and empowers young minds. Passionate about simplifying complex topics, her expertise lies in making technical concepts accessible to all, transforming knowledge into a powerful tool.

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