# Cyclon 2V-J · Alarm battery 2V 12Ah

![Cyclon 2V-J · Alarm battery 2V 12Ah](https://bateriasonline.es/3759-home_default/cyclon-2v-j.jpg)

> Cyclon 2V-J: 12 Ah alarm battery, TPPL. Compare sizes and equivalents; 14-day returns.

**Category:** [Batteries for alarms, emergency lights and devices](https://bateriasonline.es/en/alarm-emergency-light-device-batteries) → [Cyclon](https://bateriasonline.es/en/cyclon-batteries)

- **Canonical URL**: https://bateriasonline.es/en/cyclon-2v-j
- **Language**: en
- **Brand**: Cyclon
- **Reference**: BOL-CYCLON-2V-J
- **MPN**: 2V-J
- **Price**: 44,49 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Cyclon |
| Range | CYCLON Battery 2 V Single Cell |
| Application | Alarms, emergency lighting and devices |
| Technology | TPPL |
| Voltage | 2 V |
| Capacity | 12 Ah (C10) |
| Height | 12.3 mm |
| Weight | 0.84 kg |

## Quick description

The Cyclon 2V-J is an alarm battery with 2 V and 12 Ah.

## Description

## The Cyclon 2V-J at a glance

The Cyclon 2V-J backs up alarm panels, emergency luminaires and devices with a standby battery. Check dimensions and terminal type.
The 2V-J belongs to the Cyclon CYCLON Battery 2V Single Cell range. [See all Cyclon batteries](https://bateriasonline.es/en/cyclon-batteries)

## What it means that the 2V-J is TPPL

Inside, the 2V-J uses thin plates of pure lead (TPPL). It is the technology behind ODYSSEY, GENESIS and PowerSafe.

## Part numbers and codes for the Cyclon 2V-J

Shops, garages and catalogues identify the 2V-J with these codes:

| Commercial reference | 2V-J |
|---|---|
| Not to be confused with | Cyclon 2V-D (2.5 Ah), Cyclon 2V-X (5 Ah), Cyclon 2V-E (8 Ah) |

## Check this before ordering the Cyclon 2V-J

- With 12 Ah, the 2V-J replaces an original battery of that capacity or slightly less.

## Frequently asked questions about the Cyclon 2V-J

### How much does the Cyclon 2V-J weigh?

0.84 kg, with 12 Ah of capacity.

### Which terminal does the Cyclon 2V-J have?

See the terminal type in the technical data. In small equipment the usual ones are F1 (4.8 mm) or F2 (6.35 mm) tab terminals.

### How often should I replace the alarm battery?

Every 3 to 5 years, or when the panel warns of low battery. It is a wear part that degrades even if there have been no outages.

## Keep comparing: alternatives to the 2V-J

- [All batteries for alarms, emergency lights and devices](https://bateriasonline.es/en/alarm-emergency-light-device-batteries)
- [More Cyclon models](https://bateriasonline.es/en/cyclon-batteries)

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*bateriasonline.es — Batteries and accessories · 2026-11-10*