Only Express batteries are engineered and manufactured specifically for fast charging and long life. With exclusive Square Tube Technology, heavy duty components and factory installed watering systems, Express batteries will: run cooler, live longer, deliver the most capacity of any fast charge battery. Express batteries deliver maximum productivity, allowing your trucks to run longer, harder, and faster between charges.
Square Tube Technology provides the highest amp-hour capacity available in any fast charge battery today. This means your trucks will run longer, be able to handle those "extra heavy" days, and impose lower stress on your battery leading to longer life and superior performance.