Introducing the Von Duprin 900-BB Battery Backup Board, designed specifically for Amp Power Supply systems. This essential accessory ensures that your Von Duprin exit devices remain operational during power outages, providing peace of mind and safety. The 900-BB PCB serves as a reliable battery backup solution, enhancing the functionality of your existing setup. With its easy installation and compatibility with various systems, this board is a must-have for any facility prioritizing security and accessibility. Don't compromise on safety—invest in the Von Duprin 900-BB today and ensure your exit devices are always ready to perform!