Ajax EN54 Internal Battery (72h)
Ajax
- Rechargeable Li-ion battery
- 10 Ah Capacity
- 2 year guarantee
The Ajax EN54 Internal Battery (72h) provides a rechargeable Li-ion power backup solution specifically designed for Ajax’s EN54-certified fire systems (Read more)
PRODUCT DETAILS
The Ajax EN54 Internal Battery (72h) provides a robust, rechargeable Li-ion power backup solution specifically designed for Ajax’s EN54-certified fire systems. Compatible with the EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller control panels, this battery ensures continuous system operation for up to 72 hours during mains power outages — helping maintain compliance with the EN 54-4 standard and safeguarding fire detection and alarm functionality when it matters most.
Features:
- Designed for indoor use, the battery installs seamlessly into compatible Ajax EN54 fire system enclosures.
- Nominal voltage: 7.4 V, Capacity: 10 Ah (Rechargeable Li-ion, 8 × 18650 cells) — delivers autonomous operation of up to 72 hours.
- Hot-swappable design: the battery can be replaced without interrupting system operation.
- Compact form factor: Dimensions approx. 166 × 87 × 23 mm for easy integration.
- Colour: Black (model 127879.324.BL1) — matches Ajax fire system enclosures for a clean, professional finish.
- Compliance: Fully compatible with EN 54-4 fire detection system standards, ensuring the battery meets expectations for fire-safety environments.
| 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⎓ |
| Power
consumption |
|
| Average power consumption with LTE
only |
50 mA · h |
| Average power consumption with Ethernet
only |
120 mA · h |
| Average power consumption with Wi-Fi only |
70 mA · h |
| Average power consumption with Ethernet and Cellular
(standby) |
102 mA · h |
| Average power consumption with LTE, Wi-Fi, and
Ethernet |
140 mA · h |
| Recommendations |
Use the battery with compatible devices only. The battery is designed for indoor use only. |
| Enclosure |
|
| Dimensions |
166 × 87 × 23 mm |
| Weight |
443 g |
| Operating temperature range |
from −10 °C to +40 °C |
| Operating humidity |
up to 75% non-condensing |
| Protection class |
IP20 |
| AJA0323 | Ajax EN54 Internal Battery (72h) Black | In stock | |
| AJA0324 | Ajax EN54 Internal Battery (72h) White | In stock |
| Videos |
|---|
| No videos available |
| Files |
|---|
| Ajax EN54 Internal Battery Datasheet |
| Links* |
|---|
| Ajax website |
| Ajax support site |
* External websites provide additional content that supports the content on connectec.uk however the external Web site is subject to change and is beyond the control of Connectec Ltd. Connectec cannot guarantee the accuracy of content on external websites and does not endorse the information or products on any external websites. You will be subject to the external websites own privacy policy when you follow these links.
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