Ajax EN54 Internal Battery (72 h) black

Ajax EN54 Internal Battery (72 h) rechargeable Li-ion battery, black

EN54 Internal Battery (72 h) is a rechargeable Li-ion battery that provides at least 72 hours of autonomous operation during a power outage for EN 54 fire alarm system devices (EN54 Fire Hub Jeweller or Fire ReX Jeweller)

Technical specifications

• Type: Rechargeable lithium-ion battery

• Nominal voltage: 7.4 V

• Capacity: 10 Ah, enough for up to 24 hours of operation independent of mains power

• Compliance: EN 54-4 standard, ensuring sufficient operating time and safety in an emergency

• Compatibility: Installs directly into the EN54 Fire Hub Jeweller or EN54 Fire ReX Jeweller

• Colour and variants: Available in both black (ASP black) and white (ASP white)

• Dimensions and weight :

  • Size: approx. 166 × 87 × 23 mm

  • Weight: approx. 443 g

• Ingress protection: IP20, designed for installation in dry indoor environments

Installation, charging and maintenance

• The battery must be installed only in the corresponding EN54 system device (Hub or ReX). A battery is required in all cases, even when external mains power is available

• The battery requires no separate maintenance or charge level monitoring. It is charged automatically while the system is on mains power

• For long-term storage, it is recommended to keep the battery at a maximum of +30 °C to slow down its natural ageing

Quick overview