# Deta DG1203 · Truck battery 12V 120Ah 680A

![Deta DG1203 · Truck battery 12V 120Ah 680A](https://bateriasonline.es/2942-home_default/deta-dg1203.jpg)

> Deta DG1203: 120 Ah truck battery, 680 A (EN), 513×189×223 mm. Equivalent to Exide EG1203 and Tudor TG1203. Ask for a no-obligation quote.

**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-dg1203
- **Language**: en
- **Brand**: Deta
- **Reference**: BOL-DETA-DG1203
- **EAN**: 3661024026468
- **MPN**: DG1203
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Deta |
| Range | DETA StartPRO |
| Application | Trucks and commercial vehicles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 120 Ah |
| Cold cranking amps (EN) | 680 A |
| Length | 513 mm |
| Width | 189 mm |
| Height | 223 mm |
| Weight | 32.5 kg |
| Terminal layout | 3 |

## Quick description

Deta DG1203: truck battery with 12 V, 120 Ah and 680 A cold cranking current, measuring 513 × 189 × 223 mm.

## Description

## Where the Deta DG1203 fits

The Deta DG1203 is a starter battery for trucks, tractors and machinery: high capacity, robust terminals and a build that withstands vibration and the starts of large engines. With 120 Ah, the DG1203 suits heavy vehicles that had a battery of that capacity.
The DG1203 belongs to the Deta DETA StartPRO range. [More Deta batteries](https://bateriasonline.es/en/deta-batteries)

## Equivalents and alternatives to the Deta DG1203

Same dimensions and polarity as the DG1203, with similar capacity and cranking power; as a conventional battery, the DG1203 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 EG1203 | Lead-acid | 120 Ah | 680 A | 513 × 189 × 223 |
| Varta I8 | Lead-acid | 120 Ah | 680 A | 513 × 189 × 223 |
| Tudor TG1203 | Lead-acid | 120 Ah | 680 A | 513 × 189 × 223 |
| Fulmen FG1203 | Lead-acid | 120 Ah | 680 A | 513 × 189 × 223 |

## Deta DG1203 vs DG1403 and DF1453: differences

What sets the DG1203 apart from its neighbours in the Deta range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Deta DG1203 (this one) | 120 Ah | 680 A | 513 × 189 × 223 | 32.5 kg |
| Deta DG1403 | 140 Ah | 800 A | 513 × 189 × 223 | 34.1 kg |
| Deta DF1453 | 145 Ah | 900 A | 513 × 189 × 223 | 35.9 kg |

- Deta DG1403: 20 Ah more, 120 A more cranking power, the same dimensions.
- Deta DF1453: 25 Ah more, 220 A more cranking power, the same dimensions.

## What it means that the DG1203 is lead-acid

The DG1203 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

## Check this before ordering the Deta DG1203

- The DG1203 needs 513 × 189 × 223 mm of space: measure it with the hold-down clamp in place.
- With 120 Ah, the DG1203 replaces an original battery of that capacity or slightly less.
- Cold cranking: 680 A (EN), equal to or higher than the original.

## Deta DG1203 codes and part numbers

The DG1203 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | DG1203 |
|---|---|
| EAN | 3661024026468 |
| Not to be confused with | Deta DG1206 (120 Ah, 680 A), Deta DG1403 (140 Ah, 800 A), Deta DG1803 (180 Ah, 1,000 A) |

## Frequently asked questions about the Deta DG1203

### Deta DG1203 or DG1403?

Compared with the DG1203, the Deta DG1403 has 20 Ah more and 120 A more cranking power. If your current battery says 800 A or more, choose the DG1403; if it says 680 A or less, the DG1203 is enough. Both measure 513 × 189 × 223 mm, so they fit the same tray.

### How much does the Deta DG1203 weigh?

The DG1203 weighs 32.5 kg. For reference, the Deta DG1403 (140 Ah) weighs 34.1 kg.

### Which battery is equivalent to the Deta DG1203?

With the same dimensions, polarity and similar capacity you have the Exide EG1203, Varta I8 and Tudor TG1203. As the DG1203 is a conventional battery, an EFB or AGM of the same size also works.

## Other options if you are unsure about the DG1203

- [More truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries)
- [More Deta models](https://bateriasonline.es/en/deta-batteries)
- [Exide EG1203](https://bateriasonline.es/en/exide-eg1203) · 120 Ah, 680 A, 513×189×223 mm
- [Varta I8](https://bateriasonline.es/en/varta-i8) · 120 Ah, 680 A, 513×189×223 mm

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