ROM Hack Back up saves from one modded Switch to another?

[XC-3730C]

I gotta sell my modded Switch, but wanna get another Switch later on. How can I back up my saves from my current modded Switch, and restore them on another modded Switch?

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[h448]

Backup all your saves with Checkpoint. Overwrite all the new saves on your new switch with the ones you backed up from your original switch.