Norcold N4150 Refrigerator (5.3 cubic ft refrigerator) 3 way operation; AC, DC, and LP! Reliable Refrigerators Designed for Families on the Go!   This Norcold N4150 refrigerator is a 3-way unit, able to operate on DC, AC, and propane. This model has superseded the Norcold N3150 model refrigerat... See More