It's unknown for how long batteries last. They're included as is! The item "Apple A1083 Cinema HD 30 Inch Widescreen Display LCD Monitor" is in sale since Thursday, December 21, 2017. This item is in the category "Computers/Tablets & Networking\Monitors, Projectors & Accs\Monitors". The seller is "cybernettek-systems" and is located in Yonkers, New York.This item can be shipped worldwide.