HOW TO Back Up Nintendo Switch Save Data to the Cloud! Nintendo Switch Online Cloud Save Data Guide - YouTube
Switch Hacks - Backup and Restore NAND From SD - CFWaifu
Nintendo Switch still lacks local save data backups, unlike every other console - Polygon
Amazon.com: DC Backup Battery Switching Module, 5V~48V 10A Battery Charging Automatic Switch Adapter Emergency Power Controller Module : Electronics
Nintendo Support: Save Data Cloud Backup Files Are Missing
Nintendo Support: “An Error Has Occurred” or “Automatic Backup is Currently Unavailable” Appears in the Save Data Cloud Screen and Automatic Save Data Backup Has Stopped