# Deta DK131 · Auxiliary battery 12V 13Ah 200A

![Deta DK131 · Auxiliary battery 12V 13Ah 200A](https://bateriasonline.es/2855-home_default/deta-dk131.jpg)

> Deta DK131: 13 Ah auxiliary battery, 200 A (EN), 150×90×145 mm, positive terminal on the left, AGM. Equivalent to Exide EK131 and Exide EK151.

**Category:** [Auxiliary batteries (back-up and in-vehicle service)](https://bateriasonline.es/en/auxiliary-backup-batteries) → [Deta](https://bateriasonline.es/en/deta-batteries)

- **Canonical URL**: https://bateriasonline.es/en/deta-dk131
- **Language**: en
- **Brand**: Deta
- **Reference**: BOL-DETA-DK131
- **EAN**: 3661024026376
- **MPN**: DK131
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Deta |
| Range | DETA Start-Stop Auxiliary |
| Application | Auxiliary and back-up use |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 13 Ah |
| Cold cranking amps (EN) | 200 A |
| Length | 150 mm |
| Width | 90 mm |
| Height | 145 mm |
| Weight | 4.5 kg |
| Polarity | Positive terminal on the left |
| Terminal type | M04 |

## Quick description

The Deta DK131 is an auxiliary battery (AGM) with 12 V, 13 Ah and 200 A cold cranking current, measuring 150 × 90 × 145 mm, with the positive terminal on the left.

## Description

## Who the Deta DK131 is for

The Deta DK131 is the second battery fitted in many modern cars. Without it, Start-Stop or back-up warnings appear on the dashboard.
The DK131 belongs to the Deta DETA Start-Stop Auxiliary range. [The full range of Deta batteries](https://bateriasonline.es/en/deta-batteries)

## Inside the DK131: AGM technology

Inside, the DK131 has glass fibre separators (AGM) that hold the electrolyte. The DK131 needs a charger with an AGM mode that does not exceed 14.7 V.

## Deta DK131 vs DK151 and DK111

How the DK131 compares with Deta batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Deta DK131 (this one) | 13 Ah | 200 A | 150 × 90 × 145 | left | 4.5 kg |
| Deta DK151 | 15 Ah | 200 A | 150 × 90 × 145 | left | 4.8 kg |
| Deta DK111 | 11 Ah | 150 A | 150 × 90 × 130 | left | 3.9 kg |

- Deta DK151: 2 Ah more, the same cranking power, the same dimensions.
- Deta DK111: 2 Ah less, 50 A less cranking power, a different case (150 × 90 × 130 mm).

## Equivalents and alternatives to the Deta DK131

Other AGM batteries that fit the DK131's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EK131 | AGM | 13 Ah | 200 A | 150 × 90 × 145 |
| Tudor TK131 | AGM | 13 Ah | 200 A | 150 × 90 × 145 |
| Fulmen FK131 | AGM | 13 Ah | 200 A | 150 × 90 × 145 |
| Varta AUX14 | AGM | 13 Ah | 200 A | 150 × 87 × 146 |
| Kronobat AUX14 | AGM | 13 Ah | 200 A | 150 × 87 × 146 |
| Exide EK151 | AGM | 15 Ah | 200 A | 150 × 90 × 145 |

## Part numbers and codes for the Deta DK131

This is how the Deta DK131 appears on the label and in parts catalogues:

| Commercial reference | DK131 |
|---|---|
| EAN | 3661024026376 |
| Terminal type | M04 |
| Not to be confused with | Deta DK111 (11 Ah, 150 A), Deta DK151 (15 Ah, 200 A) |

## Check this before ordering the Deta DK131

- Check the EN amps on your battery: if it says 200 A or less, the DK131 covers your engine.
- With 13 Ah, the DK131 replaces an original battery of that capacity or slightly less.
- Polarity of the DK131: positive terminal on the left (if yours has it on the other side, the cables will not reach).
- Measure the space: the DK131 takes up 150 × 90 × 145 mm.

## Frequently asked questions about the Deta DK131

### DK131 or DK151: which one suits me?

Compared with the DK131, the Deta DK151 has 2 Ah more. With the same cranking power (200 A), the DK131 and the DK151 differ in capacity: the one with more Ah supports more load with the engine off. Both measure 150 × 90 × 145 mm, so they fit the same tray.

### How much does the Deta DK131 weigh?

4.5 kg, with 13 Ah of capacity. For reference, the Deta DK151 (15 Ah) weighs 4.8 kg.

### Which battery is equivalent to the Deta DK131?

Only other AGM batteries with its dimensions and polarity: Exide EK131, Tudor TK131 and Fulmen FK131. Neither an EFB nor a conventional battery replaces the DK131.

### Which side is the positive terminal on the Deta DK131?

On the DK131, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## Keep comparing: alternatives to the DK131

- [All auxiliary batteries (back-up and in-vehicle service)](https://bateriasonline.es/en/auxiliary-backup-batteries)
- [More Deta models](https://bateriasonline.es/en/deta-batteries)
- [Exide EK131](https://bateriasonline.es/en/exide-ek131) · 13 Ah, 200 A, 150×90×145 mm
- [Tudor TK131](https://bateriasonline.es/en/tudor-tk131) · 13 Ah, 200 A, 150×90×145 mm

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