# Kronobat ES2.3-12V · Alarm battery 12V 2.1Ah

![Kronobat ES2.3-12V · Alarm battery 12V 2.1Ah](https://bateriasonline.es/2095-home_default/kronobat-es2-3-12v.jpg)

> Kronobat ES2.3-12V: 2.1 Ah alarm battery, 182×23×61 mm, AGM. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/kronobat-es2-3-12v
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES2.3-12V
- **MPN**: ES2.3-12V
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | AGM DEEP CYCLE |
| Application | Alarms, emergency lighting and devices |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 2.1 Ah |
| Length | 182 mm |
| Width | 23 mm |
| Height | 61 mm |
| Weight | 0.65 kg |
| Terminal type | F13 |

## Quick description

Kronobat ES2.3-12V: alarm battery with 12 V and 2.1 Ah, measuring 182 × 23 × 61 mm.

## Description

## The Kronobat ES2.3-12V at a glance

The Kronobat ES2.3-12V is a VRLA battery for alarms, emergency lighting and electronic equipment: sealed, small and designed to spend years on float charge. Check dimensions and terminal type.
The ES2.3-12V belongs to the Kronobat AGM DEEP CYCLE range. [The full range of Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Equivalents and alternatives to the Kronobat ES2.3-12V

No other reference in the catalogue fully matches the dimensions and polarity of the ES2.3-12V; you will find the closest ones among our [batteries for alarms, emergency lights and devices](https://bateriasonline.es/en/alarm-emergency-light-device-batteries).

## Kronobat ES2.3-12V vs ES1.9-12: which one to choose?

The real differences between the ES2.3-12V and the closest Kronobat models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Kronobat ES2.3-12V (this one) | 2.1 Ah | 182 × 23 × 61 | 0.65 kg |
| Kronobat ES1.9-12 | 2.3 Ah | 178 × 34 × 66 | 1.04 kg |

- Kronobat ES1.9-12: 0.20 Ah more, a different case (178 × 34 × 66 mm).

## AGM technology in the ES2.3-12V

The ES2.3-12V is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## What to look at before buying the ES2.3-12V

- The ES2.3-12V needs 182 × 23 × 61 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 2.1 Ah; a little more is also fine.

## Kronobat ES2.3-12V codes and part numbers

The ES2.3-12V is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | ES2.3-12V |
|---|---|
| Terminal type | F13 |

## Frequently asked questions about the Kronobat ES2.3-12V

### Kronobat ES2.3-12V or ES1.9-12?

Compared with the ES2.3-12V, the Kronobat ES1.9-12 has 0.20 Ah more. With 2.3 Ah, the ES1.9-12 runs longer between charges than the ES2.3-12V (2.1 Ah). Mind the space: the ES1.9-12 measures 178 × 34 × 66 mm.

### How much does the Kronobat ES2.3-12V weigh?

The ES2.3-12V weighs 0.65 kg. For reference, the Kronobat ES1.9-12 (2.3 Ah) weighs 1.04 kg.

### What are the dimensions and weight of the Kronobat ES2.3-12V?

It measures 182 × 23 × 61 mm and weighs 0.65 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Other options if you are unsure about the ES2.3-12V

- [Other batteries for alarms, emergency lights and devices](https://bateriasonline.es/en/alarm-emergency-light-device-batteries)
- [Full Kronobat catalogue](https://bateriasonline.es/en/kronobat-batteries)

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