Long-life battery system from American Standard
American Standard’s PWRX long-life battery system is available for Selectronic hands-free flush valves. The system is built to last for 10 years, assuming 4,000 flushes per month. This 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.
American Standard. www.americanstandardpro.com