The refrigerator was used for one season in the winter, mostly turned off at home. Alpicool car refrigerator, model C15, 15-liter size, upgraded version with smart app control and a screen with cooling and freezing features. 12/24V DC and 240V AC power inputs. A highly efficient compressor provides maximum cooling efficiency with minimal power drain. Digital screen control panel with electronic temperature control. You can control it from your phone via the dedicated refrigerator app. Car battery protection: A three-stage battery protection system protects your car battery from over-discharge.