That's because the Slim Folio uses replaceable coin batteries (like those you'd find in a wristwatch), instead of the usual rechargeable lithium-ion cells. ... That means you'll probably replace your iPad before your replace the Slim Folio's batteries.
How do I check the battery on my Logitech Slim Folio?
Third, you can press fn + the battery key. This will cause the LED indicator to flash one of the following three ways: Three flashes = full battery life.
Can you charge a slim folio?
To charge the Slim Folio Pro, connect the USB-C cable that came with your iPad Pro to Slim Folio Pro any USB power source. Charging times may vary depending on the power source. ... On average, a full battery charge will last up to three months when used for about two hours a day.