# Fulmen FF1202 · Truck battery 12V 120Ah 870A

![Fulmen FF1202 · Truck battery 12V 120Ah 870A](https://bateriasonline.es/2706-home_default/fulmen-ff1202.jpg)

> Fulmen FF1202: 120 Ah truck battery, 870 A (EN), 349×175×235 mm, positive terminal on the right. Equivalent to Exide EF1202 and Tudor TF1202.

**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-ff1202
- **Language**: en
- **Brand**: Fulmen
- **Reference**: BOL-FULMEN-FF1202
- **EAN**: 3661024045278
- **MPN**: FF1202
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulmen |
| Range | FULMEN Power Pro (HDX) |
| Application | Trucks and commercial vehicles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 120 Ah |
| Cold cranking amps (EN) | 870 A |
| Length | 349 mm |
| Width | 175 mm |
| Height | 235 mm |
| Weight | 27.5 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulmen FF1202: truck battery with 12 V, 120 Ah and 870 A cold cranking current, measuring 349 × 175 × 235 mm, with the positive terminal on the right.

## Description

## Who the Fulmen FF1202 is for

The Fulmen FF1202 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 FF1202 suits heavy vehicles that had a battery of that capacity.
The FF1202 belongs to the Fulmen FULMEN Power Pro (HDX) range. [More Fulmen batteries](https://bateriasonline.es/en/fulmen-batteries)

## Equivalents and alternatives to the Fulmen FF1202

Same dimensions and polarity as the FF1202, with similar capacity and cranking power; as a conventional battery, the FF1202 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 EF1202 | Lead-acid | 120 Ah | 870 A | 349 × 175 × 235 |
| Tudor TF1202 | Lead-acid | 120 Ah | 870 A | 349 × 175 × 235 |
| Deta DF1202 | Lead-acid | 120 Ah | 870 A | 349 × 175 × 235 |

## Fulmen FF1202 vs FJ1100, FF1250 and FJ1102

What sets the FF1202 apart from its neighbours in the Fulmen range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulmen FF1202 (this one) | 120 Ah | 870 A | 349 × 175 × 235 | right | 27.5 kg |
| Fulmen FJ1100 | 110 Ah | 900 A | 349 × 175 × 235 | right | 28.3 kg |
| Fulmen FF1250 | 125 Ah | 850 A | 349 × 175 × 285 | right | 31 kg |
| Fulmen FJ1102 | 110 Ah | 900 A | 349 × 175 × 235 | right | 28.3 kg |

- Fulmen FJ1100: 10 Ah less, 30 A more cranking power, the same dimensions.
- Fulmen FF1250: 5 Ah more, 20 A less cranking power, a different height (285 mm instead of 235 mm). It only fits if there is room for 285 mm of height.
- Fulmen FJ1102: 10 Ah less, 30 A more cranking power, the same dimensions.

## Inside the FF1202: lead-acid technology

The FF1202 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.

## Before ordering the FF1202, check this

- Measure the space: the FF1202 takes up 349 × 175 × 235 mm.
- With the terminals facing you, the positive terminal of the FF1202 is on the right.
- Your current battery should say about 120 Ah; a little more is also fine.
- Cold cranking: 870 A (EN), equal to or higher than the original.

## Fulmen FF1202 codes and part numbers

The FF1202 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | FF1202 |
|---|---|
| EAN | 3661024045278 |

## Frequently asked questions about the Fulmen FF1202

### Fulmen FF1202 or FJ1100?

Compared with the FF1202, the Fulmen FJ1100 has 10 Ah less and 30 A more cranking power. If your current battery says 900 A or more, choose the FJ1100; if it says 870 A or less, the FF1202 is enough. Both measure 349 × 175 × 235 mm, so they fit the same tray.

### Fulmen FF1202 or FF1250: what changes?

Mainly the height: the FF1202 is 235 mm tall and the Fulmen FF1250 285 mm, with the same length and width. In capacity and cranking power, the FF1250 offers 125 Ah and 850 A against 120 Ah and 870 A. Before choosing between the FF1202 and the FF1250, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Fulmen FF1202 weigh?

The FF1202 weighs 27.5 kg. For reference, the Fulmen FJ1100 (110 Ah) weighs 28.3 kg.

### Which battery is equivalent to the Fulmen FF1202?

With the same dimensions, polarity and similar capacity you have the Exide EF1202, Tudor TF1202 and Deta DF1202. As the FF1202 is a conventional battery, an EFB or AGM of the same size also works.

### Which side is the positive terminal on the Fulmen FF1202?

The FF1202 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Are truck batteries fitted in pairs?

Almost always, in series for 24 V. Replace them in matched pairs: mixing a new one with an old one unbalances charging and shortens the new one's life.

## More batteries to compare with the FF1202

- [More truck, commercial and agricultural vehicle batteries](https://bateriasonline.es/en/truck-agricultural-batteries)
- [The whole Fulmen range](https://bateriasonline.es/en/fulmen-batteries)
- [Exide EF1202](https://bateriasonline.es/en/exide-ef1202) · 120 Ah, 870 A, 349×175×235 mm
- [Tudor TF1202](https://bateriasonline.es/en/tudor-tf1202) · 120 Ah, 870 A, 349×175×235 mm

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