Dependability means preparation for the unexpected. People demand dependability from your phone systems. That's why, when unexpected power outages occur, you need a backup power system that won't let them down.

With a broad selection of lead-acid batteries specifically designed for telecommunications applications, Dynasty long duration batteries from Johnson Controls, offer the right choice for your specific standby power needs.

Long duration batteries supply power on-demand, long life, low maintenance and safety.

Dynasty flame retardant containers and covers meet Bellcore standards for flame retardancy and UL94 V-0 standards.

Long duration batteries range in size (at the eight-hour rating) from 12-volt 24- ampere hour to 12-volt 125-ampere hour and 6-volt 180-ampere hour.