The Best Portable Ice Maker of 2019 - Your Best Digs In-depth product reviews of all the best products in your home.. and for some things out of it. We do the research so you don't have to. W e spent over 50 hours measuring pounds of ice, including production and melting times, capacity and taste, and selected the Della – 048-GM-48186 as the best portable ice maker. The Della was the most efficient and user-friendly and lived up to its manufacturer’s claim of making a batch of ice in seven minutes.