NO ICE required, the Koolatron W75 thermoelectric cooler is the 12 volt power from your vehicle. NO ICE means space for extra food and drinks. NO ICE means big savings during times of peak ice demand (if ice is even available). Bypass restaurants and pay for your Koolatron W75 (over and over) with the savings. Bring your own high quality food from home. Satisfy any special food requirements from sources you trust. The large capacity is ideal for long trips, big families and tailgate parties. Bring your Koolatron W75 to the beach, picnic or sports event! Take it along on every trip. Load the Koolatron W75 cooler the night before and operate it from the optional AC Adapter. On the way to the dock, plug it into your vehicle cigarette lighter. On board...use the lighter socket or an auxiliary battery! Take the Koolatron W75 into your motel room as a personal and private mini-fridge.