Phones when used for a long time, we often care about the battery level because they directly affect the use time. With smartphones equipped with built-in batteries, we can not check in the form of the battery that requires the intervention of software.
1. Check the battery level of your iPhone with the battery status feature (iOS 11.3 or later)
From iOS 11.3 and above, Apple has equipped a battery status check feature to help users monitor and control the battery capacity of the iPhone to avoid sudden shutdowns or more dangerous short-circuiting, exploding. . To check the battery level, do the following.
Step 1: Go to Settings => Battery.
Step 2: In the Battery section, click Battery Status to view information about your iPhone battery. In the Maximum capacity line displays the level of your battery bottle. Specs like the picture below means the battery of this iPhone is 5% bottle.
2. Check the battery level by software 3uTools
If your iPhone is running software version iOS 11.3 or below, we can not check the battery level by using the battery status feature because Apple has not integrated that feature. To check the battery on iPhone, we will use 3uTools software (to run 3uTools, you must have iTunes software installed in the computer).
Link to download iTunes software: https://www.apple.com/itunes/download/
Link to download 3uTools: http://www.3u.com/
Step 1: Open up 3uTools software and all information about your iPhone will display on the right. You pay attention to section Charge Times (number of charging cycles) and Battery Life (battery life). To view detailed information about the battery, click Details in the Battery Life section .
Step 2: Here, details about the battery on your iPhone are shown as shown below. Parameters such as charging ring, lifespan, temperature . are displayed quite detailed.
Charge Times: Number of charge cycles
Actual Capacity: Actual battery capacity.
Design Capacity: Designed battery capacity.
Battery Life: Battery life.
Serial Number: Serial number of the battery.
Instant Voltage: Standard battery current.
Boot Voltage: Electric current to start the device.
Temperature: Battery temperature.
Instant Amperage: Standard current for charging the battery.
Battery Manufacturer: Name of battery manufacturer.
Production Date: Date of battery manufacture.
With two methods of checking battery information on the most effective and standard, you can be assured to use the machine without worrying about damage or abnormal number. If your computer is slow, unusually laggy, it is most likely caused by your battery and you should check them more often. Good luck!