Amazon unveiled enhanced versions of its Kindle and Kindle Kids e-readers on Tuesday, the first time the tech giant has upgraded its flagship e-reader in nearly three years. From a report: The upgraded Kindle will now include a battery life of up to six weeks, USB-C charging and 16GB of storage. The Kindle Kids version will also come with a one-year subscription to Amazon Kids+. The Kindle will cost $99.99, up from the previous price of $89.99. The Kindle Kids model will cost $119.99, up from $109.99.