PORTABLE TOP-OPENING 12/24V DC – 110V/120V AC FRIDGE-FREEZER A breath of salt air might be bracing to you first thing in the morning, but it can be tough on steel. That’s why we offer the Engel MR040. It offers the same performance as our MT35 and MT45, but with a durable, corrosion-resistant ABS case – and more suited for Marine applications. All Engel fridge/freezers feature the Engel Swing Motor Compressor. Highly efficient, it typically draws around 1 to 2 Amps per hour (check the specs below), about 40% less than a traditional compressor. Engel fridge/freezers run on battery power (12V/24V DC) or 110V/120V AC, so whether you’re on the road, on the water or safe at home, you can use your Engel to make life a little easier.