# Deta DB451 · Car battery 12V 45Ah 330A

![Deta DB451 · Car battery 12V 45Ah 330A](https://bateriasonline.es/3108-home_default/deta-db451.jpg)

> Deta DB451: 45 Ah car battery, 330 A (EN), 220×135×225 mm, positive terminal on the left. Equivalent to Exide EB451 and Tudor TB451.

**Category:** [Car batteries](https://bateriasonline.es/en/car-batteries) → [Deta](https://bateriasonline.es/en/deta-batteries)

- **Canonical URL**: https://bateriasonline.es/en/deta-db451
- **Language**: en
- **Brand**: Deta
- **Reference**: BOL-DETA-DB451
- **EAN**: 3661024024488
- **MPN**: DB451
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Deta |
| Range | DETA Power |
| Application | Cars |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 45 Ah |
| Cold cranking amps (EN) | 330 A |
| Length | 220 mm |
| Width | 135 mm |
| Height | 225 mm |
| Weight | 12.5 kg |
| Polarity | Positive terminal on the left |

## Quick description

The Deta DB451 is a car battery with 12 V, 45 Ah and 330 A cold cranking current, measuring 220 × 135 × 225 mm, with the positive terminal on the left. With the positive terminal on the right, the exact counterpart is the Deta DB450.

## Description

## Where the Deta DB451 fits

The Deta DB451 is made for petrol and diesel cars without automatic engine stop. The DB451 covers the daily routine of a car without automatic engine stop: cold starts, short trips and loads with the ignition off.
At 45 Ah it is a small size: the usual choice for petrol superminis and city cars with little equipment. The DB451 belongs to the Deta DETA Power range. [The full range of Deta batteries](https://bateriasonline.es/en/deta-batteries)

## Deta DB451 vs DA456, DB450 and DA406: differences

Torn between the DB451 and another similar Deta? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Deta DB451 (this one) | 45 Ah | 330 A | 220 × 135 × 225 | left | 12.5 kg |
| Deta DA456 | 45 Ah | 390 A | 237 × 127 × 227 | – | 11.8 kg |
| Deta DB450 | 45 Ah | 330 A | 220 × 135 × 225 | right | 12.5 kg |
| Deta DA406 | 40 Ah | 350 A | 187 × 127 × 220 | – | 9.3 kg |

- Deta DA456: the same capacity, 60 A more cranking power, a different case (237 × 127 × 227 mm).
- If the positive terminal of your battery is on the other side, the one you need is the Deta DB450 (positive terminal on the right).
- Deta DA406: 5 Ah less, 20 A more cranking power, a different case (187 × 127 × 220 mm).

## Deta DB451 codes and part numbers

This is how the Deta DB451 appears on the label and in parts catalogues:

| Commercial reference | DB451 |
|---|---|
| EAN | 3661024024488 |
| Not to be confused with | Deta DB450 (45 Ah, 330 A, positive terminal on the right), Deta DB454 (45 Ah, 330 A, positive terminal on the right), Deta DB455 (45 Ah, 330 A) |

## Equivalents and alternatives to the Deta DB451

Same dimensions and polarity as the DB451, with similar capacity and cranking power; as a conventional battery, the DB451 can also be replaced by an EFB or AGM of the same size if you want more cycles.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EB451 | Lead-acid | 45 Ah | 330 A | 220 × 135 × 225 |
| Tudor TB451 | Lead-acid | 45 Ah | 330 A | 220 × 135 × 225 |
| Fulmen FB451 | Lead-acid | 45 Ah | 330 A | 220 × 135 × 225 |
| Varta B24 | Lead-acid | 45 Ah | 300 A | 220 × 135 × 225 |
| Kronobat SD-45.1T | Lead-acid | 45 Ah | 300 A | 219 × 135 × 225 |

## What to look at before buying the DB451

- Length, width and height of the DB451: 220 × 135 × 225 mm.
- The DB451 has the positive terminal on the left: compare it with your current battery.
- Capacity of the DB451: 45 Ah; the same as your current battery or slightly more is fine.
- Cold cranking: 330 A (EN), equal to or higher than the original.
- If your car has Start-Stop, the DB451 is not the right one: it needs an EFB or an AGM.

## Inside the DB451: lead-acid technology

Inside, the DB451 is classic lead-acid: liquid electrolyte and lead plates. If the DB451 is left discharged for weeks it sulphates: a maintenance charger prevents this.

## Frequently asked questions about the Deta DB451

### Deta DB451 or DA456?

Compared with the DB451, the Deta DA456 has 60 A more cranking power. If your current battery says 390 A or more, choose the DA456; if it says 330 A or less, the DB451 is enough. Mind the space: the DA456 measures 237 × 127 × 227 mm.

### What is the difference between the Deta DB451 and the DB450?

They are the same battery with the terminals swapped: positive terminal on the left on the DB451, positive terminal on the right on the DB450. Look at your current battery with the terminals facing you and pick the one that matches.

### Can the Deta DB451 be used in a car with Start-Stop?

No. The DB451 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM.

### How much does the Deta DB451 weigh?

The DB451 weighs 12.5 kg. For reference, the Deta DA456 (45 Ah) weighs 11.8 kg.

### Which battery is equivalent to the Deta DB451?

With the same dimensions, polarity and similar capacity you have the Exide EB451, Tudor TB451 and Fulmen FB451. As the DB451 is a conventional battery, an EFB or AGM of the same size also works.

### Which charger does the Deta DB451 need?

An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.

## Other options if you are unsure about the DB451

- [Other car batteries](https://bateriasonline.es/en/car-batteries)
- [The whole Deta range](https://bateriasonline.es/en/deta-batteries)
- [Exide EB451](https://bateriasonline.es/en/exide-eb451) · 45 Ah, 330 A, 220×135×225 mm
- [Tudor TB451](https://bateriasonline.es/en/tudor-tb451) · 45 Ah, 330 A, 220×135×225 mm

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