Open the AppStore to search for batteries and choose the best one according to your own experience.
Second, the method of checking the battery life and cycle times of iPhone7 through the computer
Third-party mobile assistants-PP assistants, AISI assistants, etc. , or iBackupBot, a software dedicated to battery testing; The device will be displayed directly after it is successfully connected to the software.
Step 1: Download and install the "iBackupBot" software in the computer, Baidu search or download it in iTunes.
Step 2: Connect the iPhone7 and 7 Plus to the computer through the data cable, and then the iBackupBot software will automatically identify your iPhone 7 battery information. Then click the "More Information" option in the software interface, and a battery information window will pop up. The first information displayed is the iPhone battery information, as shown in the following figure:
The number of cycles in the first item represents the number of battery cycles. If iPhone 7 and 7 Plus are new machines, the number of cycles detected is generally 1 due to the short use time.
There are "designcapacity" and "fullchargecapacity" behind the iBackupBot software, which respectively represent the design capacity of the battery and the current total battery capacity.
Generally speaking, after 300-500 cycles, the battery capacity will drop to about 80% of the initial value. When an iPhone battery is detected to have too many cycles, it means that the phone has been used for a long time. If your iPhone battery has been cycled more than 400 times, it means that the battery consumption is relatively high, so it is recommended to replace it with a new battery to avoid affecting the battery life.