# Deta DF1250 · Truck battery 12V 125Ah 850A

![Deta DF1250 · Truck battery 12V 125Ah 850A](https://bateriasonline.es/2882-home_default/deta-df1250.jpg)

> Deta DF1250: 125 Ah truck battery, 850 A (EN), 349×175×285 mm, positive terminal on the right. Equivalent to Exide EF1250 and Tudor TF1250.

**Category:** [Truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries) → [Deta](https://bateriasonline.es/en/deta-batteries)

- **Canonical URL**: https://bateriasonline.es/en/deta-df1250
- **Language**: en
- **Brand**: Deta
- **Reference**: BOL-DETA-DF1250
- **EAN**: 3661024027168
- **MPN**: DF1250
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Deta |
| Range | DETA Power Pro (HDX) |
| Application | Trucks and commercial vehicles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 125 Ah |
| Cold cranking amps (EN) | 850 A |
| Length | 349 mm |
| Width | 175 mm |
| Height | 285 mm |
| Weight | 31 kg |
| Polarity | Positive terminal on the right |

## Quick description

The Deta DF1250 is a truck battery with 12 V, 125 Ah and 850 A cold cranking current, measuring 349 × 175 × 285 mm, with the positive terminal on the right. With the positive terminal on the left, the exact counterpart is the Deta DF1251.

## Description

## The Deta DF1250 at a glance

The Deta DF1250 turns heavy diesel engines and powers cabs with high consumption. It is built to resist constant vibration and long shifts.
The DF1250 belongs to the Deta DETA Power Pro (HDX) range. [See all Deta batteries](https://bateriasonline.es/en/deta-batteries)

## Equivalents and alternatives to the Deta DF1250

Same dimensions and polarity as the DF1250, with similar capacity and cranking power; as a conventional battery, the DF1250 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 EF1250 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
| Tudor TF1250 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
| Fulmen FF1250 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |

## Deta DF1250 vs DG1250, DF1251 and DF1202

How the DF1250 compares with Deta batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Deta DF1250 (this one) | 125 Ah | 850 A | 349 × 175 × 285 | right | 31 kg |
| Deta DG1250 | 125 Ah | 760 A | 349 × 175 × 285 | right | 29.5 kg |
| Deta DF1251 | 125 Ah | 850 A | 349 × 175 × 285 | left | 31 kg |
| Deta DF1202 | 120 Ah | 870 A | 349 × 175 × 235 | right | 27.5 kg |
| Deta DJ1100 | 110 Ah | 900 A | 349 × 175 × 235 | right | 28.3 kg |

- Deta DG1250: the same capacity, 90 A less cranking power, the same dimensions.
- If the positive terminal of your battery is on the other side, the one you need is the Deta DF1251 (positive terminal on the left).
- Deta DF1202: 5 Ah less, 20 A more cranking power, a different height (235 mm instead of 285 mm). It is the option if your battery tray cannot take the 285 mm height of the DF1250.
- Deta DJ1100: 15 Ah less, 50 A more cranking power, a different case (349 × 175 × 235 mm).

## Inside the DF1250: lead-acid technology

Inside, the DF1250 is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

## Before ordering the DF1250, check this

- The DF1250 needs 349 × 175 × 285 mm of space: measure it with the hold-down clamp in place.
- The DF1250 has the positive terminal on the right: compare it with your current battery.
- Capacity of the DF1250: 125 Ah; the same as your current battery or slightly more is fine.
- Cold cranking: 850 A (EN), equal to or higher than the original.

## Deta DF1250 codes and part numbers

Shops, garages and catalogues identify the DF1250 with these codes:

| Commercial reference | DF1250 |
|---|---|
| EAN | 3661024027168 |
| Not to be confused with | Deta DF1251 (125 Ah, 850 A, positive terminal on the left), Deta DG1250 (125 Ah, 760 A) |

## Frequently asked questions about the Deta DF1250

### Deta DF1250 or DG1250?

Compared with the DF1250, the Deta DG1250 has 90 A less cranking power. The DF1250 cranks harder; the DG1250 is only a good option if your original battery says 760 A or less. Both measure 349 × 175 × 285 mm, so they fit the same tray.

### What is the difference between the Deta DF1250 and the DF1251?

They are the same battery with the terminals swapped: positive terminal on the right on the DF1250, positive terminal on the left on the DF1251. Look at your current battery with the terminals facing you and pick the one that matches.

### Deta DF1250 or DF1202: what changes?

Mainly the height: the DF1250 is 285 mm tall and the Deta DF1202 235 mm, with the same length and width. In capacity and cranking power, the DF1202 offers 120 Ah and 870 A against 125 Ah and 850 A. Before choosing between the DF1250 and the DF1202, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Deta DF1250 weigh?

The DF1250 weighs 31 kg. For reference, the Deta DG1250 (125 Ah) weighs 29.5 kg.

### Which battery is equivalent to the Deta DF1250?

With the same dimensions, polarity and similar capacity you have the Exide EF1250, Tudor TF1250 and Fulmen FF1250. As the DF1250 is a conventional battery, an EFB or AGM of the same size also works.

## Other options if you are unsure about the DF1250

- [Other truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries)
- [The whole Deta range](https://bateriasonline.es/en/deta-batteries)
- [Exide EF1250](https://bateriasonline.es/en/exide-ef1250) · 125 Ah, 850 A, 349×175×285 mm
- [Tudor TF1250](https://bateriasonline.es/en/tudor-tf1250) · 125 Ah, 850 A, 349×175×285 mm

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