Check the Power Consumption of Your Device
Applicable products：
HUAWEI nova 9(dual sim card 8gb+128gb)
Applicable system:
EMUI 12.0
Applicable products：
Applicable system:
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| Check the Power Consumption of Your Device |
Go to (or Optimiser > 
), and you can:
View Power consumption details to learn about the power consumption and the power usage ranking of apps.
Touch a time slot in the Battery level chart to learn about the power consumption for the corresponding period.
Touch an app and view its Battery usage details, or touch Force stop to close the app.
Some pre-installed apps cannot be closed.
Thanks for your feedback.