# Kronobat ES2.9-12 · Alarm battery 12V 2.9Ah

![Kronobat ES2.9-12 · Alarm battery 12V 2.9Ah](https://bateriasonline.es/2100-home_default/kronobat-es2-9-12.jpg)

> Kronobat ES2.9-12: 2.9 Ah alarm battery, 79×55.5×106 mm, AGM. VAT included, shipping cost shown before you pay, 14-day returns.

**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-es2-9-12
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-ES2.9-12
- **MPN**: ES2.9-12
- **Price**: 16,37 € (VAT incl., Spain)
- **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 | 2.9 Ah |
| Length | 79 mm |
| Width | 55.5 mm |
| Height | 106 mm |
| Weight | 1.19 kg |
| Terminal type | F1 |

## Quick description

The Kronobat ES2.9-12 is an alarm battery with 12 V and 2.9 Ah, measuring 79 × 55.5 × 106 mm.

## Description

## Where the Kronobat ES2.9-12 fits

The Kronobat ES2.9-12 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 ES2.9-12 belongs to the Kronobat AGM DEEP CYCLE range. [More Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## AGM technology in the ES2.9-12

The ES2.9-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ES2.9-12 can be fitted in the boot or under a seat with no risk of spills.

## Kronobat ES2.9-12 vs ES1.9-12 and ES2.3-12V

Torn between the ES2.9-12 and another similar Kronobat? This is what changes:

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

- Kronobat ES1.9-12: 0.60 Ah less, a different case (178 × 34 × 66 mm).
- Kronobat ES2.3-12V: 0.80 Ah less, a different case (182 × 23 × 61 mm).

## Equivalents and alternatives to the Kronobat ES2.9-12

We have no other battery with exactly the dimensions and polarity of the ES2.9-12. 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.

## Part numbers and codes for the Kronobat ES2.9-12

Look for any of these ES2.9-12 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ES2.9-12 |
|---|---|
| Terminal type | F1 |
| Not to be confused with | Kronobat ES1.9-12 (2.3 Ah), Kronobat ES9-12 (9 Ah), Kronobat ES22-12 (22 Ah, positive terminal on the right) |

## Check this before ordering the Kronobat ES2.9-12

- With 2.9 Ah, the ES2.9-12 replaces an original battery of that capacity or slightly less.
- Measure the space: the ES2.9-12 takes up 79 × 55.5 × 106 mm.

## Frequently asked questions about the Kronobat ES2.9-12

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

Compared with the ES2.9-12, the Kronobat ES1.9-12 has 0.60 Ah less. With 2.9 Ah, the ES2.9-12 runs longer between charges than the ES1.9-12 (2.3 Ah). Mind the space: the ES1.9-12 measures 178 × 34 × 66 mm.

### How much does the Kronobat ES2.9-12 weigh?

1.19 kg, with 2.9 Ah of capacity. For reference, the Kronobat ES1.9-12 (2.3 Ah) weighs 1.04 kg.

### What are the dimensions and weight of the Kronobat ES2.9-12?

It measures 79 × 55.5 × 106 mm and weighs 1.19 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Keep comparing: alternatives to the ES2.9-12

- [All 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 · 2026-11-10*