Ajax EN54 72h Internal Battery White – Reliable and Certified Backup

Ajax EN54 72h Internal Battery White – Reliable and Certified Backup

 
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127878.324.WH # 127878 | The Ajax EN54 Internal Battery (72h) , in white, is a reliable backup power solution for the EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller systems, ensuring operational continuity even in the event of a power outage. It is a rechargeable 7.4 V / 10 Ah Li-ion battery, designed to comply with the EN 54-4 standard and ensure consistent performance in critical scenarios. Easy to install and ready for use, it can be quickly replaced without tools thanks to a practical and safe design. Resistant to temperatures from -10 °C to +40 °C and with IP20 protection, it offers certified compatibility with Ajax hubs and repeaters.

Technical Data Sheet

referencia : 127878.324.WH

brand : Ajax Systems

EAN: 4823114073304

Manufacturer Object ( [id] => 31 [name] => Ajax Systems [description] =>

Establecido en 2011, Ajax Systemconstruye sistemas inalámbricos de incendio y alarma con la tecnología inalámbrica JEWELLER que le permite monitorear de manera segura todos los dispositivos de red conectados. Ajax System ofrece soluciones para el hogar, la oficina o las actividades comerciales, gestionables a través de la App, siempre actualizadas y compatibles con los sistemas iOS y Android. Los sistemas de alarma de Ajax System son fáciles de instalar, de hecho sólo toma 15 segundos conectar la unidad de control a los sensores. Además, pueden integrarse con las cámaras de vigilancia, tienen un margen de error casi nulo y, en caso de peligro, en menos de 150 milisegundos envían una notificación (sms, push o call).

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Ajax SystemsAjax Systems


Los sistemas de alarma Ajax system utilizan la última tecnología inalámbrica que hace que todos los productos sean fiables y estén siempre conectados. Además de su excelente rendimiento, los sistemas de alarma Ajax se distinguen por su diseño moderno y elegante.

[id_address] => [date_add] => 2019-01-15 15:51:16 [date_upd] => 2025-06-11 12:47:32 [link_rewrite] => ajax-systems [meta_title] => Sistemas de incendio y alarma de última generación - Ajax System [meta_keywords] => sistemi allarme ajax,sicurezza ajax,allarmi ajax,ajax security system,ajax security,ajax system [meta_description] => I sistemi allarme Ajax system sono dispositivi wireless affidabili e innovativi, non producono falsi allarmi e si installano in 15 secondi. Scoprili su Setik.biz! [active] => 1 [webserviceParameters:protected] => Array ( [fields] => Array ( [active] => Array ( ) [link_rewrite] => Array ( [getter] => getLink [setter] => ) ) [associations] => Array ( [addresses] => Array ( [resource] => address [setter] => [fields] => Array ( [id] => Array ( [xlink_resource] => addresses ) ) ) ) ) [id_lang:protected] => 25 [id_shop:protected] => 1 [id_shop_list] => Array ( ) [get_shop_from_context:protected] => 1 [table:protected] => manufacturer [identifier:protected] => id_manufacturer [fieldsRequired:protected] => Array ( [0] => name ) [fieldsSize:protected] => Array ( [name] => 64 ) [fieldsValidate:protected] => Array ( [name] => isCatalogName ) [fieldsRequiredLang:protected] => Array ( ) [fieldsSizeLang:protected] => Array ( [meta_title] => 255 [meta_description] => 512 ) [fieldsValidateLang:protected] => Array ( [description] => isCleanHtml [short_description] => isCleanHtml [meta_title] => isGenericName [meta_description] => isGenericName [meta_keywords] => isGenericName ) [tables:protected] => Array ( ) [image_dir:protected] => /var/www/html/img/m/ [image_format:protected] => jpg [translator:protected] => [def:protected] => Array ( [table] => manufacturer [primary] => id_manufacturer [multilang] => 1 [fields] => Array ( [name] => Array ( [type] => 3 [validate] => isCatalogName [required] => 1 [size] => 64 ) [active] => Array ( [type] => 2 ) [date_add] => Array ( [type] => 5 ) [date_upd] => Array ( [type] => 5 ) [description] => Array ( [type] => 6 [lang] => 1 [validate] => isCleanHtml ) [short_description] => Array ( [type] => 6 [lang] => 1 [validate] => isCleanHtml ) [meta_title] => Array ( [type] => 3 [lang] => 1 [validate] => isGenericName [size] => 255 ) [meta_description] => Array ( [type] => 3 [lang] => 1 [validate] => isGenericName [size] => 512 ) [meta_keywords] => Array ( [type] => 3 [lang] => 1 [validate] => isGenericName ) ) [classname] => Manufacturer [associations] => Array ( [l] => Array ( [type] => 2 [field] => id_manufacturer [foreign_field] => id_manufacturer ) ) ) [update_fields:protected] => [force_id] => ) 1
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127878.324.WH | RECHARGEABLE LI-ION BATTERY (7.4V / 10Ah)


Ajax

The Ajax EN54 Internal Battery (72h) , 127878.324.WH , in white , is a 7.4 V / 10 Ah rechargeable Li-ion battery designed to provide backup power to the EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller systems , ensuring operational continuity even in the event of a power outage. Compliant with the EN 54-4 standard , it ensures reliable performance in critical environments and resistance to temperatures from -10 °C to +40 °C. Installation is quick, without tools, and replacement takes just a few seconds.

Main specifications:

- Battery life up to 72 hours according to EN 54-4

- High efficiency rechargeable Li-ion technology

- Compatible with EN54 Fire Hub Jeweler and EN54 Fire ReX Jeweller

- Easy installation and maintenance without tools

- IP20 protection, operation between -10°C and +40°C

Further details

✅ Battery capacity :
The Ajax EN54 internal battery in white is a rechargeable 7.4 V / 10 Ah Li-ion , designed to ensure 24 hours of autonomy in accordance with the EN 54-4 standard. It is optimized to maintain constant performance even in challenging environmental conditions, ensuring continuous operational continuity of Ajax fire systems.
✅ Power supply :
It offers a maximum load current of 3.2 mA and an end-of-life voltage of 6 V= , ensuring safe charging cycles and protection from overload. It is compatible with the EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller models, keeping all connected devices active even in the absence of external power.
✅ EN54 Standard:
Fully compliant with EN 54-4 , the battery meets the backup requirements for certified fire protection systems. This compliance makes it suitable for civil, industrial, and public installations where European safety certification is required.

Technical data sheet

127878.324.WH
Battery type
Battery 8 × 18650
Rechargeable Li-ion battery.
Nominal voltage 7.4 V⎓
Capacity 10 Ah
Power supply
Maximum load current 3.2 A
End-of-life battery voltage 6 V⎓
Recommendations Use the battery with compatible devices only.
The battery is designed for indoor use only.
Enclosure
Dimensions 166 × 87 × 23 mm
6.54" × 3.43" × 0.92"
Weight 443 g
15.63 oz
Operating temperature range from −10 °C to +40 °C
from 14 °F to 104 °F
Operating humidity up to 75% non-condensing
Protection class IP20
Color White
Complete set EN54 Internal Battery (72h)
Warranty 24 months
All our products are in conformity with the in force CE normative (read here). To ask for a copy of the certification fill out this form