# Fulmen FG1206 · Truck battery 12V 120Ah 680A

![Fulmen FG1206 · Truck battery 12V 120Ah 680A](https://bateriasonline.es/2763-home_default/fulmen-fg1206.jpg)

> Fulmen FG1206: 120 Ah truck battery, 680 A (EN), 510×175×225 mm. Equivalent to Exide EG1206 and Tudor TG1206. Price on request: ask for a free quote.

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

- **Canonical URL**: https://bateriasonline.es/en/fulmen-fg1206
- **Language**: en
- **Brand**: Fulmen
- **Reference**: BOL-FULMEN-FG1206
- **EAN**: 3661024046565
- **MPN**: FG1206
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulmen |
| Range | FULMEN StartPRO |
| Application | Trucks and commercial vehicles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 120 Ah |
| Cold cranking amps (EN) | 680 A |
| Length | 510 mm |
| Width | 175 mm |
| Height | 225 mm |
| Weight | 31.8 kg |
| Terminal layout | 4 |

## Quick description

The Fulmen FG1206 is a truck battery with 12 V, 120 Ah and 680 A cold cranking current, measuring 510 × 175 × 225 mm.

## Description

## The Fulmen FG1206 at a glance

The Fulmen FG1206 turns heavy diesel engines and powers cabs with high consumption. It is built to resist constant vibration and long shifts.
The FG1206 belongs to the Fulmen FULMEN StartPRO range. [More Fulmen batteries](https://bateriasonline.es/en/fulmen-batteries)

## Inside the FG1206: lead-acid technology

Inside, the FG1206 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.

## Fulmen FG1206 vs FG1406 and FG1355: differences

Torn between the FG1206 and another similar Fulmen? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Fulmen FG1206 (this one) | 120 Ah | 680 A | 510 × 175 × 225 | 31.8 kg |
| Fulmen FG1406 | 140 Ah | 800 A | 510 × 175 × 225 | 33.5 kg |
| Fulmen FG1355 | 135 Ah | 1,000 A | 514 × 175 × 210 | 36 kg |

- Fulmen FG1406: 20 Ah more, 120 A more cranking power, the same dimensions.
- Fulmen FG1355: 15 Ah more, 320 A more cranking power, a different case (514 × 175 × 210 mm).

## Equivalents and alternatives to the Fulmen FG1206

Batteries that fit the FG1206's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FG1206.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EG1206 | Lead-acid | 120 Ah | 680 A | 510 × 175 × 225 |
| Tudor TG1206 | Lead-acid | 120 Ah | 680 A | 510 × 175 × 225 |
| Deta DG1206 | Lead-acid | 120 Ah | 680 A | 510 × 175 × 225 |

## Part numbers and codes for the Fulmen FG1206

Shops, garages and catalogues identify the FG1206 with these codes:

| Commercial reference | FG1206 |
|---|---|
| EAN | 3661024046565 |
| Not to be confused with | Fulmen FG1203 (120 Ah, 680 A), Fulmen FG1406 (140 Ah, 800 A), Fulmen FG1806 (180 Ah, 1,000 A) |

## Check this before ordering the Fulmen FG1206

- Check the EN amps on your battery: if it says 680 A or less, the FG1206 covers your engine.
- Capacity of the FG1206: 120 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the FG1206: 510 × 175 × 225 mm.

## Frequently asked questions about the Fulmen FG1206

### FG1206 or FG1406: which one suits me?

Compared with the FG1206, the Fulmen FG1406 has 20 Ah more and 120 A more cranking power. If your current battery says 800 A or more, choose the FG1406; if it says 680 A or less, the FG1206 is enough. Both measure 510 × 175 × 225 mm, so they fit the same tray.

### How much does the Fulmen FG1206 weigh?

31.8 kg, with 120 Ah of capacity. For reference, the Fulmen FG1406 (140 Ah) weighs 33.5 kg.

### Which battery is equivalent to the Fulmen FG1206?

With the same dimensions, polarity and similar capacity you have the Exide EG1206, Tudor TG1206 and Deta DG1206. As the FG1206 is a conventional battery, an EFB or AGM of the same size also works.

### What does HD or vibration resistance mean on a truck battery?

That the plates are fixed to withstand intense vibration (EN 50342 V3/V4). It is essential in construction, agriculture and long-haul transport.

## Other options if you are unsure about the FG1206

- [Other truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries)
- [The whole Fulmen range](https://bateriasonline.es/en/fulmen-batteries)
- [Exide EG1206](https://bateriasonline.es/en/exide-eg1206) · 120 Ah, 680 A, 510×175×225 mm
- [Tudor TG1206](https://bateriasonline.es/en/tudor-tg1206) · 120 Ah, 680 A, 510×175×225 mm

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