American Standard’s PWRX long-life battery system is now available for Selectronic hands-free flush valves. The system is built to last for 10 years. The engineered power pack combines advanced lithium battery chemistry with supercapacitors and other electronics to extend the battery life. This option reduces the maintenance cost associated with changing batteries. For additional protection, the battery pack includes safety circuitry to prevent overheating in case of a short circuit, protecting the electronics from damage. The battery system is covered by a 5-year limited warranty.