Ajax EN54 Internal Battery 72h, White

Ajax EN54 Internal Battery 72h, White

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

Technical specifications

Type: rechargeable lithium-ion battery

Nominal voltage: 7.4 V

Capacity: 10 Ah, sufficient for up to 72 hours of operation independent of mains power

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

Compatibility: can be installed directly in EN54 Fire Hub Jeweller or EN54 Fire ReX Jeweller

Color and variants: available in black and white

Dimensions and weight

Size: approximately 166 × 87 × 23 mm

Weight: approximately 443 g

Ingress protection: IP20, intended for installation in dry indoor environments

Installation, charging and maintenance

The battery must be installed only in the compatible EN54 system device, Hub or ReX. A battery solution is required even when mains power is available.

The battery requires no separate maintenance or charge-level supervision. It charges automatically when the system is powered from mains.

For long-term storage, it is recommended to keep the battery at a maximum temperature of +30°C to slow battery aging.

Summary

Type: rechargeable Li-ion battery

Voltage: 7.4 V

Capacity: 10 Ah, 72 hours

Standard: EN 54-4

Compatibility: EN54 Fire Hub Jeweller and Fire ReX Jeweller

Colors: black and white

Protection: IP20

Charging: automatic when connected to mains power

Maintenance: no separate maintenance required