FOUR year battery life? Logitech's 2017 iPad Slim Folio keyboard case - YouTube
Logitech Slim Folio PRO iPad Pro 12.9-inch (3rd gen) Keyboard case with Integrated Backlit Bluetooth Keyboard (only for iPad Pro 12.9-inch 3rd gen) - Walmart.com
Logitech 920-009017 Slim Folio Keyboard/Cover Case for iPad 5th & 6th Gen
Logitech Slim Folio Keyboard Folio for Apple iPad (7th, 8th & 9th Generation) Graphite 920-009473 - Best Buy
Amazon.com: Logitech Slim Folio with Integrated Bluetooth Keyboard for iPad (5th and 6th Generation) - Black : Electronics
Logitech Slim Folio with Integrated Bluetooth Keyboard for iPad (5th and 6th Generation) - Bulk Packaging - Black - Walmart.com
Logitech Slim Folio Keyboard Folio for Apple iPad (7th, 8th & 9th Generation) Graphite 920-009473 - Best Buy
Logitech Slim Folio iPad Keyboard Case for iPad and iPad Air