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0e1f616
(Get the code!)
My laptop is HP Pavilion 15-CS3816NO, based on Intel i5 (_not_ AMD Ryzen). The problem is intermittent - when I powerup it after two days poweroff sometimes battery has drained 2%, sometimes 26%, so I have to powerup the laptop at least twice a week just in order to prevent battery damage.
I have a USB mouse connected to a USB-A port practically always, internet connection is through cable and no WLAN access points are defined. About every other time I back up stuff to an external disk (USB-C) but I have not found any correlation between USB backups and battery drain.