# Rechargeable Li‑ion Internal Battery 7.4 V 10 Ah for Ajax EN54, ASP black

**URL:** https://aio.lv/en/product--ajax-127879324bl--11584108
**Data updated:** 2026-02-15 18:39 (EET)
**Category:** UPS Batteries
**Manufacturer:** Ajax
**Manufacturer code:** 127879.324.BL
**EAN:** 4823114073298
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 116.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 96.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ajax-127879324bl--11584108

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Rechargeable Li‑ion internal battery designed for Ajax EN54 systems, rated 7.4 V and 10 Ah capacity. Supplied in ASP black finish, it provides standby and backup power for compatible fire and alarm control equipment. Intended for replacement or spare use, it ensures reliable operation and supports system autonomy during power interruptions for extended runtime.

## Long description

Rechargeable Li‑ion Internal Battery 7.4 V 10 Ah for Ajax EN54, ASP black is a replacement and spare power source designed for use with Ajax EN54-compatible fire and alarm control systems. Rated at 7.4 volts and 10 ampere-hours, this internal lithium‑ion battery supplies standby and backup energy to extend system autonomy during primary power outages. The compact internal design and ASP black enclosure allow straightforward installation inside compatible control panels while maintaining the required operating voltage and capacity for reliable alarm operation.
Advantages
The battery delivers a high energy density and stable output at 7.4 V, providing longer runtime compared to similarly sized lead‑acid alternatives of equivalent footprint. Its rechargeable Li‑ion chemistry reduces self-discharge and maintenance needs, and the internal configuration minimizes external wiring complexity. Designed for compatibility with Ajax EN54 equipment, the unit supports predictable discharge characteristics and consistent performance during repeated charge/discharge cycles.
Suitable for
Replacement battery for Ajax EN54 fire and alarm control panels
Spare power source for systems requiring internal rechargeable batteries
Backup power to maintain alarm functions during mains failures
Use in installations where compact internal battery form factor is required
Key specifications
Nominal voltage: 7.4 V
Capacity: 10 Ah (10,000 mAh)
Chemistry: Lithium‑ion (Li‑ion)
Form factor: Internal rechargeable battery pack designed for enclosure mounting
Color/finish: ASP black
Typical application: Standby and backup power for alarm and fire control equipment
How to use
Install the battery inside the compatible Ajax EN54 control panel following the manufacturer’s service instructions and safety precautions. Ensure the panel is powered down before connecting or replacing the internal battery. Observe correct polarity and secure connections to the designed terminals or connector. After installation, allow the system to perform any automatic charging cycle before relying on the new battery for extended backup periods. Periodically verify state of charge and health through the control panel diagnostics or a compatible battery tester.
Usage recommendations
Use the battery only in compatible Ajax EN54 systems and maintain it according to the system manufacturer guidelines. Do not expose the pack to extreme temperatures or mechanical damage. Replace batteries that show reduced capacity, swelling, or other signs of degradation. Dispose of spent batteries in accordance with local regulations for lithium‑ion battery recycling.

## FAQ

### How much does the Ajax EN54 Rechargeable Li‑ion 7.4 V 10 Ah cost, and is it available for purchase?

The price is 116.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Ajax EN54 Rechargeable Li‑ion 7.4 V 10 Ah be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Ajax products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Ajax service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11584108/68538070_large.webp