Ajax EN54 Backup Battery for Fire Hub & Fire ReX (24 Hour)

The Ajax EN54 Internal Battery (24h) is a rechargeable Li-ion backup battery designed for installation within compatible Ajax EN54 fire system equipment.

Engineered for use with the Ajax EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller, this internal battery provides reliable backup power during mains failure, helping maintain uninterrupted fire system operation in line with EN 54-4 requirements.

Designed for quick installation and simple replacement, the battery arrives ready to use and provides a maintenance-free backup power solution for critical fire safety applications.

Its compact internal design keeps installations neat while ensuring compliant standby operation when power continuity is essential.

• Rechargeable Li-ion internal backup battery

• 24-hour standby battery backup

• Designed for Ajax EN54 fire systems

• Compatible with Ajax EN54 Fire Hub Jeweller

• Compatible with Ajax EN54 Fire ReX Jeweller

• EN 54-4 compliant backup solution

• Ready to use out of the box

• Maintenance-free design

• Quick installation

• Dedicated replacement method

• Compact internal form factor