Step 1: Download and install AIDA 64 in the APP Store.
AIDA 64 is a well-known software and hardware system information testing tool on Windows platform, and now it has the corresponding iOS version.
Advantages: accurate detection result.
Disadvantages: English version only.
Step 2: Click AIDA 64. The home page is the information of the whole device. You can also click on each item to view the details. This time we want to check the battery loss, so click the battery to check the battery status.
Step 3: Check specific items:
Take a look at the first and second items of battery details:
Design capacity is the design capacity of the battery.
Charging is an existing right.
Divide the actual capacity by the design capacity to get the value: if it is between 90% and 100%, the battery loss is relatively low; If it is between 80% and 90%, it means that the battery has been depleted a lot and can still be used. If it is lower than 80%, it is recommended to replace the battery or mobile phone.