# Kronobat ES1.9-12 · Alarm battery 12V 2.3Ah

![Kronobat ES1.9-12 · Alarm battery 12V 2.3Ah](https://bateriasonline.es/2091-home_default/kronobat-es1-9-12.jpg)

> Kronobat ES1.9-12: 2.3 Ah alarm battery, 178×34×66 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-es1-9-12
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES1.9-12
- **MPN**: ES1.9-12
- **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 | 2.3 Ah |
| Length | 178 mm |
| Width | 34 mm |
| Height | 66 mm |
| Weight | 1.04 kg |
| Terminal type | F1 |

## Quick description

Kronobat ES1.9-12: alarm battery with 12 V and 2.3 Ah, measuring 178 × 34 × 66 mm.

## Description

## Where the Kronobat ES1.9-12 fits

The Kronobat ES1.9-12 backs up alarm panels, emergency luminaires and devices with a standby battery. Check dimensions and terminal type.
The ES1.9-12 belongs to the Kronobat AGM DEEP CYCLE range. [More Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Equivalents and alternatives to the Kronobat ES1.9-12

We have no other battery with exactly the dimensions and polarity of the ES1.9-12. Browse the rest of our [batteries for alarms, emergency lights and devices](https://bateriasonline.es/en/alarm-emergency-light-device-batteries) to compare close options.

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

The real differences between the ES1.9-12 and the closest Kronobat models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Kronobat ES1.9-12 (this one) | 2.3 Ah | 178 × 34 × 66 | 1.04 kg |
| Kronobat ES2.3-12V | 2.1 Ah | 182 × 23 × 61 | 0.65 kg |
| Kronobat ES2.9-12 | 2.9 Ah | 79 × 55.5 × 106 | 1.19 kg |

- Kronobat ES2.3-12V: 0.20 Ah less, a different case (182 × 23 × 61 mm).
- Kronobat ES2.9-12: 0.60 Ah more, a different case (79 × 55.5 × 106 mm).

## AGM technology in the ES1.9-12

Inside, the ES1.9-12 has glass fibre separators (AGM) that hold the electrolyte. The ES1.9-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Check this before ordering the Kronobat ES1.9-12

- Length, width and height of the ES1.9-12: 178 × 34 × 66 mm.
- With 2.3 Ah, the ES1.9-12 replaces an original battery of that capacity or slightly less.

## Part numbers and codes for the Kronobat ES1.9-12

This is how the Kronobat ES1.9-12 appears on the label and in parts catalogues:

| Commercial reference | ES1.9-12 |
|---|---|
| Terminal type | F1 |
| Not to be confused with | Kronobat ES1.2-12 (1.2 Ah), Kronobat ES2.9-12 (2.9 Ah), Kronobat ES9-12 (9 Ah) |

## Frequently asked questions about the Kronobat ES1.9-12

### ES1.9-12 or ES2.3-12V: which one suits me?

Compared with the ES1.9-12, the Kronobat ES2.3-12V has 0.20 Ah less. With 2.3 Ah, the ES1.9-12 runs longer between charges than the ES2.3-12V (2.1 Ah). Mind the space: the ES2.3-12V measures 182 × 23 × 61 mm.

### How much does the Kronobat ES1.9-12 weigh?

1.04 kg, with 2.3 Ah of capacity. For reference, the Kronobat ES2.3-12V (2.1 Ah) weighs 0.65 kg.

### 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.

## More batteries to compare with the ES1.9-12

- [All batteries for alarms, emergency lights and devices](https://bateriasonline.es/en/alarm-emergency-light-device-batteries)
- [The whole Kronobat range](https://bateriasonline.es/en/kronobat-batteries)

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