The battery is a really important part in every smartphone and also its total capacity, which guarantees the endurance of the device. In today's tutorial we will look at how you can verify the remaining capacity that your given battery in the facility offers.
A few simple steps
To get started, you need to download a pair of .zip files, including drivers, to your computer. After enabling the security options of the USB port, it is necessary to extract the "Platform Tools" file to drive C. It is also necessary to charge the smartphone to full capacity 100%, restart it and connect it to the computer.
Simple commands
After opening the command line from the given "Platform Tools" folder, it is necessary to enter several handy commands. The first is Adb devices to recognize the connected device. The second is the command Adb shell dumpsys battery. This is used to display the remaining capacity and other information.
For example, there are two tested smartphones available. model Xiaomi Mi 9T lost after 4 months of use approximately 140 mAh from a total capacity of 4000 mAh. The second model tested is Xiaomi Mi Max 3who lost about 650 mAh of a total capacity of 5500 mAh after 1 year and 4 months of use.
The output of the command explains a lot
The "Charge counter" item shows the current battery capacity. 3760 mAh per 4000 mAh battery indicates a slight loss of battery capacity. It is enough to subtract both numbers from each other, while not forgetting a certain reserve from production.
The "Status" parameter contains 5 phases:
1. The unit indicates problems retrieving battery information
2. Two means charging, but not to full capacity
3. The trio subsequently has an uncharged battery but is connected to a USB or charger
4. Four indicates an uncharged battery
5. The ideal is five, which indicates a battery charged to full capacity
Battery health is also marked with five results:
1. The unit indicates excellent battery health
2. Two good health batteries
3. Troika standard resp. normal battery health
4. Four indicates poor battery health
5. Five very bad battery health
For the last pair, the battery itself needs to be replaced.
"Level" indicates how much battery is currently charged. "Scale" then indicates at which battery value the battery will offer its maximum available capacity. If you encounter any problems during the manual, the video tutorial below can help, but it is in Russian.
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