Makita DCW18OZ LXT 18V LXT X2 Auto Cooler/Warmer Box with Cord. The 18V X2 LXT® Cooler/Warmer offers cooling modes with levels at 15ºF, 30ºF, 40ºF, and 50ºF, and the option of two heating modes with levels at 130°F and 140°F. The 20 L (21 qt.) capacity allows users to store a large amount of either food, beverages, or a combination of both and be confident that the Cooler/Warmer will keep items at the temperature indicated. The Cooler/Warmer keeps consistent temperatures using a compressor-type cooler.