![The battery optimisation is on, and the power source is power adapter. Yet the battery has gone down from 91%(which is when the charging stopped) to 81%. If the power source isn't The battery optimisation is on, and the power source is power adapter. Yet the battery has gone down from 91%(which is when the charging stopped) to 81%. If the power source isn't](https://preview.redd.it/dshtaispith91.jpg?width=640&crop=smart&auto=webp&s=d547c5c854b48502fb4f1e42827ee3eda54eb7e3)
The battery optimisation is on, and the power source is power adapter. Yet the battery has gone down from 91%(which is when the charging stopped) to 81%. If the power source isn't
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Amazon.com: PowerSource 19.5V 65W 45W UL Listed 14Ft Long HP Smart Blue Tip AC Adapter for Many Models Including: X360 Pavilion, Envy, Spectre, Elitebook 840, ProBook, and More Laptop Power-Supply Charger Cord :
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![macbook pro - Battery is draining with "Power source: Power adapter" in macOS Catalina - Ask Different macbook pro - Battery is draining with "Power source: Power adapter" in macOS Catalina - Ask Different](https://i.stack.imgur.com/eSutQ.png)