The Ajax EN54 Internal Battery (72h) is a rechargeable Li-ion backup battery designed for compatible Ajax EN54 fire system equipment.
Providing up to 72 hours of standby backup power in accordance with EN 54-4 requirements, this internal battery helps maintain uninterrupted operation during mains power failure, making it ideal for critical fire safety applications.
It is designed specifically for use with the Ajax EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller.
Ready to use out of the box, the battery offers a maintenance-free backup solution with straightforward installation and replacement, helping installers maintain compliant fire system performance with minimal disruption.
