EN54 Internal Battery 72h — Rechargeable Li-ion battery for EN54 Fire Hub / Fire ReX (72h) (black)

General Description The EN54 Internal Battery 72h is a high-capacity rechargeable lithium-ion battery designed to provide maximum autonomy for Ajax EN 54 series fire panels and range extenders. This power module is a critical system component that guarantees uninterrupted fire protection even during prolonged main power outages.

Maximum Autonomy and Standards The battery is engineered specifically for sites with high-security requirements, providing up to 72 hours of standby operation. This allows the system to fully comply with the most stringent EN 54 certification categories. The use of advanced Li-ion cells ensures a long service life and high stability across various operating temperatures.

Intelligent Monitoring The hub or range extender continuously monitors the battery's health. The Ajax app displays the charge level and overall module status in real-time. The system instantly notifies the user and the monitoring station of any faults or when the battery requires replacement, eliminating the risk of sudden system failure.

Key Advantages:

• Ultra-long backup power time — up to 72 hours.

• Full compatibility with EN54 Fire Hub and Fire ReX devices.

• High reliability with protection against deep discharge and overcharging.

• Easy installation inside the device enclosure without specialized skills.

• Compliance with professional European fire safety standards.