Ajax EN54 24hr Internal Battery for Fire Hub/Rex - Black (AJA-127877) ColorVu It uses a surface mounting

It uses a surface mounting design and can be powered via IEEE 802

and anti-jamming protection

Designed for outdoor use

The Shelly LoRa Add On is a powerful accessory designed to extend the communication range of compatible Shelly devices using long range wireless technology

CQR offer the Installer

Ajax EN54 24hr Internal Battery for Fire Hub/Rex - Black (AJA-127877) ColorVu It uses a surface mountingThe Ajax EN54 Internal Battery is a high quality backup power source designed specifically for EN54 certified Ajax devices. It ensures continuous operation of critical fire detection and safety systems even during mains power outages, maintaining compliance with industry standards. Compact and reliable, the battery is engineered for seamless integration inside compatible EN54 hubs. Built with advanced lithium technology, the battery provides long