10 Tablets with the Longest Battery Life
Lenovo IdeaTab S2110A
Although the Lenovo IdeaTab S2110A comes with a keyboard dock that expands its battery life by more than 5 hours to a sterling 13 hours and 22 minutes. However, you won't need it to use this slate all day. In our tests, the IdeaTab S2110 lasted 8 hours and 16 minutes without the dock, making it perfect for business users.