# Fulmen FB440 · Car battery 12V 44Ah 400A

![Fulmen FB440 · Car battery 12V 44Ah 400A](https://bateriasonline.es/2911-home_default/fulmen-fb440.jpg)

> Fulmen FB440: 44 Ah car battery, 400 A (EN), 175×175×190 mm, positive terminal on the right, L0 case. Equivalent to Exide EB440 and Tudor TB440.

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

- **Canonical URL**: https://bateriasonline.es/en/fulmen-fb440
- **Language**: en
- **Brand**: Fulmen
- **Reference**: BOL-FULMEN-FB440
- **EAN**: 3661024044509
- **MPN**: FB440
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulmen |
| Range | FULMEN Formula |
| Application | Cars |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 44 Ah |
| Cold cranking amps (EN) | 400 A |
| Length | 175 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 10.7 kg |
| Polarity | Positive terminal on the right |
| Case size | L0 (175 × 175 × 190 mm) |

## Quick description

The Fulmen FB440 is a car battery with 12 V, 44 Ah and 400 A cold cranking current, case size L0 (175 × 175 × 190 mm), with the positive terminal on the right.

## Description

## Who the Fulmen FB440 is for

The Fulmen FB440 is a starter battery for cars without Start-Stop: it delivers the current the starter motor needs and then powers lights, control units and audio with the engine off. The FB440 covers the daily routine of a car without automatic engine stop: cold starts, short trips and loads with the ignition off.
At 44 Ah it is a small size: the usual choice for petrol superminis and city cars with little equipment. The FB440 belongs to the Fulmen FULMEN Formula range. [The full range of Fulmen batteries](https://bateriasonline.es/en/fulmen-batteries)

## Fulmen FB440 codes and part numbers

Look for any of these FB440 codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | FB440 |
|---|---|
| EAN | 3661024044509 |
| Case size (EN) | L0 |
| Not to be confused with | Fulmen FB442 (44 Ah, 420 A), Fulmen FB450 (45 Ah, 330 A), Fulmen FB740 (74 Ah, 680 A) |

## Fulmen FB440 vs FC400 and FC440

Torn between the FB440 and another similar Fulmen? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulmen FB440 (this one) | 44 Ah | 400 A | 175 × 175 × 190 | right | 10.7 kg |
| Fulmen FC400 | 40 Ah | 320 A | 175 × 175 × 190 | right | 10.4 kg |
| Fulmen FC440 | 44 Ah | 360 A | 207 × 175 × 190 | right | 11 kg |

- Fulmen FC400: 4 Ah less, 80 A less cranking power, the same L0 case.
- Fulmen FC440: the same capacity, 40 A less cranking power, a different case (207 × 175 × 190 mm).

## Equivalents and alternatives to the Fulmen FB440

Same dimensions and polarity as the FB440, with similar capacity and cranking power; as a conventional battery, the FB440 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 EB440 | Lead-acid | 44 Ah | 400 A | 175 × 175 × 190 |
| Tudor TB440 | Lead-acid | 44 Ah | 400 A | 175 × 175 × 190 |
| Deta DB440 | Lead-acid | 44 Ah | 400 A | 175 × 175 × 190 |
| Varta B36 | Lead-acid | 44 Ah | 420 A | 175 × 175 × 190 |
| Kronobat PB-44.0 | Lead-acid | 44 Ah | 420 A | 175 × 175 × 190 |

## Lead-acid technology in the FB440

The FB440 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the FB440 needs no special registration: just connect it.

## Check this before ordering the Fulmen FB440

- If your car has Start-Stop, the FB440 is not the right one: it needs an EFB or an AGM.
- Cold cranking: 400 A (EN), equal to or higher than the original.
- Capacity of the FB440: 44 Ah; the same as your current battery or slightly more is fine.
- Polarity of the FB440: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- The FB440 needs 175 × 175 × 190 mm of space (European case size L0): measure it with the hold-down clamp in place.

## Frequently asked questions about the Fulmen FB440

### Fulmen FB440 or FC400?

Compared with the FB440, the Fulmen FC400 has 4 Ah less and 80 A less cranking power. The FB440 cranks harder; the FC400 is only a good option if your original battery says 320 A or less. Both measure 175 × 175 × 190 mm, so they fit the same tray.

### Can the Fulmen FB440 be used in a car with Start-Stop?

No. The FB440 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM.

### How much does the Fulmen FB440 weigh?

The FB440 weighs 10.7 kg. For reference, the Fulmen FC400 (40 Ah) weighs 10.4 kg.

### Which battery is equivalent to the Fulmen FB440?

With the same dimensions, polarity and similar capacity you have the Exide EB440, Tudor TB440 and Deta DB440. As the FB440 is a conventional battery, an EFB or AGM of the same size also works.

### What case size is the Fulmen FB440?

Case size L0: 175 × 175 × 190 mm. The FB440 fits any standard L0 battery tray such as the Exide EB440.

### Which side is the positive terminal on the Fulmen FB440?

The FB440 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Fulmen FB440 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 FB440

- [More car batteries](https://bateriasonline.es/en/car-batteries)
- [More Fulmen models](https://bateriasonline.es/en/fulmen-batteries)
- [Exide EB440](https://bateriasonline.es/en/exide-eb440) · 44 Ah, 400 A, 175×175×190 mm
- [Tudor TB440](https://bateriasonline.es/en/tudor-tb440) · 44 Ah, 400 A, 175×175×190 mm

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