Kobo has been making e-readers for over ten years and have released a wide array of e-readers. They have always relied on selling accessories, such as
Kobo Sage PowerCover - Black - Melbourne Mobiles
Rakuten Kobo Sage eReader PowerCover - Black
Buy [SleepCover] Kobo Sage PowerCover Online in Singapore
Kobo Sage PowerCover - Black - Melbourne Mobiles
Kobo Sage + Power Cover]
Kobo Sage SleepCover/PowerCover
Kobo Sage PowerCover Case, Black, Charges Your eReader, Sleep/Wake Technology, Built-in 2-Way Stand, Vegan Leather
Kobo Sage eReader Bundle with PowerCover
Sage PowerCover Manuals / Datasheets / Instructions - Manuals+
Kobo Sage eReader Bundle with Green SleepCover and Stylus — BlueProton
Kobo Sage PowerCover Case - Black — Rakuten Kobo eReader Store
Kobo Sage 8 e-reader
Review: Kobo Powercover and Sleep Cover for Sage and Libra 2 - Which one will work for your use case? - Ausdroid
