Measuring phone charging speed

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Ngày cập nhật gần nhất: 15/4/2026

If you're wondering whether your device's phone charging process is stable, the following method of measuring phone charging speed will help you address this issue. Additionally, understanding the phone charging speed will help you assess whether this speed is stable and if it affects the phone you're using.

Charging the battery correctly is a concern for many to prolong the lifespan of the battery on the device and increase phone usage time. However, how do you know if you're charging the battery correctly or not, as well as whether the phone charging device you're using is stable? Measuring phone charging speed will be a trick to help you partially address this issue.

Guide to measuring phone charging speed

To measure phone charging speed, you need:

Download and install the Ampere app for Android here: Download Ampere for Android .

Currently, the Ampere app only measures charging speed on Android phones, so in this article, Mytour.vn will guide you on how to measure charging speed on Android phones only.

* How to measure charging speed on Android phones

Step 1 : Connect your Android phone to the charger and launch the Ampere app for Android.

Step 2 : When you launch the app Ampere for Android while charging your device , the system will notify you of the charging speed measurement on your phone as shown below.

Step 3 : The system will measure the charging speed on the phone from the lowest to the highest charging rate .

For current Android devices, using a regular charging port will provide a maximum speed of about ~800 mAh .

For devices equipped with a fast charging adapter , the speed can reach up to 1100mAh maximum (for Android devices not supporting fast charging).

However, in cases where after a period of time measuring the charging speed of Android phones is only at below 400 mAH as shown below.

At this point, you need to check the charging source from the charger, charging cable of your device to see if there is an issue or not.

So we've just explored how to measure charging speed on Android phones, which is currently of interest to many people to better care for usage processes, and charge device batteries more effectively.

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If you are using a Samsung charger, Mytour.vn reminds you how to identify genuine Samsung chargers through the article on how to check and identify genuine Samsung chargers, to determine whether your Android charger and cable are 'genuine' or poor quality counterfeit for a better plan to replace and ensure better device battery health.

Frequently Asked Questions

How can I accurately measure my phone's charging speed?

To accurately measure your phone's charging speed, download and install the Ampere app on your Android device. Connect your phone to the charger, launch the app, and it will display the current charging speed.

What are the signs of unstable phone charging speed?

Signs of unstable phone charging speed include consistently low charging rates, such as below 400 mAh, which may indicate issues with the charger, cable, or charging port.

Is it essential to use a genuine charger for optimal charging speed?

Yes, using a genuine charger is essential for optimal charging speed and battery health. Genuine chargers are designed to deliver the appropriate voltage and current for your device.

Can I measure charging speed on iPhones with the Ampere app?

No, the Ampere app currently only measures charging speed on Android devices, so iPhone users will need to find alternative methods or apps for this purpose.

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