Your Source For 12V DC Appliances has partnered with in bringing you all things 12V DC for use in your RV, Boat, Commercial Truck or off grid living situation. When living off grid, it is better to use 12V DC appliance whenever you can so you do not have to convert 12V DC to 110V AC by using an inverter. Using DC to AC inverters are not efficient and you lose energy in the conversion process.