Do the Fridge Freezers come with an internal battery? April 14, 2022 22:45 Updated No it does not. They must be plugged into either a DC or AC outlet. ARB does offer a ZERO Fridge Freezer Power Pack available for the ZERO line. Related articles Elements Fridge/Freezer User & Service Manual Will the ARB Fridge Freezer drain my battery? Comments 0 comments Article is closed for comments.