According to Amazon - you get about a months usage from a single charge.
Yes, you can read your Kindle on an airplane as long as the device is in airplane mode during the flight.
Kindle has the cloud reader lets you read books without having a kindle e reader. Kindle has free and discounted books that you can download and read.
The purpose of the Kindle is to allow the owner to read books. So, yes, you can read books on the Kindle.
Yes, the Kindle can be used in airplane mode, which allows you to read downloaded books without an internet connection.
Yes, if they have them in the Kindle Store.
The Kindle PaperWhite. The battery lasts for a long time, and it's easy to read even in moderately bright light.
With Text-to-Speech, Kindle can read English-language content out loud to you.
Yes, as long as you've ejected it from your computer as a disk drive.
Yes the kindle with the keyboard can read out loud it has the "text to speach" function.
The Kindle Cloud is Amazon's Cloud storage for purchases made in the Kindle store. To read something that you have stored in the Cloud, you must choose to download the book from the Cloud to your Kindle. Once this is done, all you need to do is open the book on the Kindle in order to read it.
There's a free app you can download on your computer to read Kindle books. Just google "Kindle for PC"
According to Amazon.. "..read for up to one month on a single charge..."