Power Cell Alkaline batteries are the only alkaline cells certified to deliver maximum life and performance in Traxxas products. Count on reliable, long-lasting power for your TQi radio system, on-board receiver battery, or any of your electronic devices at home. Traxxas Power Cell alkaline batteries are sold in convenient, colorful four-cell packaging and are manufactured to the high standards of all Traxxas products. They're the only alkaline batteries that are made by Traxxas, for Traxxas. Complete your Traxxas model with genuine Power Cell Alkaline batteries for peak performance and long-lasting fun.