Engel 14 Litre Chest Fridge / Freezer F-Series MD14F Lower Current Draw. Lower Noise Level. High dome lid, double door version of the MRFD-015. This unit is a totally portable yet very powerful 12 volt fridge / freezer for cars, trucks and boats. Very popular with drivers that are regularly moving from one vehicle to another and need to take their fridge with them, simply slide the carry strap over your shoulder and take your ENGEL with you. Three Year Warranty.