The Ajax EN54 Internal Battery 24h is a rechargeable Li-ion backup battery designed to provide dependable standby power for compatible Ajax EN54 fire system equipment. Developed specifically for use with the Ajax EN54 Fire Hub Jeweller and Fire ReX Jeweller, it helps maintain uninterrupted system operation during mains power failure while supporting compliance with EN 54-4 requirements.

Built for critical fire safety applications, the battery delivers up to 24 hours of standby backup power, ensuring continued communication and protection when reliable system availability is essential. Its compact internal design allows for a clean and integrated installation without the need for additional external housing.

Supplied ready to use, the battery is designed for quick installation and straightforward replacement, providing a maintenance-free backup power solution for professional fire alarm installations.

• 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