For sale: Lenovo device, sometimes it works and sometimes it doesn't due to a battery issue. 82Y0007AADLENOVO IdeaPad Flex 5 14IRU8 - Convertible, Intel Core i5-1335U Up to 4.60GHz - 12MB, 10 Core, 8GB DDR4, 512GB SSD, 14 Inch WUXGA, Intel UHD Graphics, Windows 11, Arctic Grey The issue is the battery; if the device is disconnected from power, it turns off.