# Fulmen FC900 · Car battery 12V 90Ah 720A

![Fulmen FC900 · Car battery 12V 90Ah 720A](https://bateriasonline.es/3021-home_default/fulmen-fc900.jpg)

> Fulmen FC900: 90 Ah car battery, 720 A (EN), 353×175×190 mm, positive terminal on the right, L5 case. Equivalent to Exide EC900 and Exide EB950.

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

- **Canonical URL**: https://bateriasonline.es/en/fulmen-fc900
- **Language**: en
- **Brand**: Fulmen
- **Reference**: BOL-FULMEN-FC900
- **EAN**: 3661024044837
- **MPN**: FC900
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulmen |
| Range | FULMEN Standard |
| Application | Cars |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 90 Ah |
| Cold cranking amps (EN) | 720 A |
| Length | 353 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 20.2 kg |
| Polarity | Positive terminal on the right |
| Case size | L5 (353 × 175 × 190 mm) |

## Quick description

Fulmen FC900: car battery with 12 V, 90 Ah and 720 A cold cranking current, case size L5 (353 × 175 × 190 mm), with the positive terminal on the right.

## Description

## The Fulmen FC900 at a glance

The Fulmen FC900 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 FC900 covers the daily routine of a car without automatic engine stop: cold starts, short trips and loads with the ignition off.
At 90 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The FC900 belongs to the Fulmen FULMEN Standard range. [More Fulmen batteries](https://bateriasonline.es/en/fulmen-batteries)

## Part numbers and codes for the Fulmen FC900

The FC900 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | FC900 |
|---|---|
| EAN | 3661024044837 |
| Case size (EN) | L5 |
| Not to be confused with | Fulmen FC905 (90 Ah, 680 A, positive terminal on the left), Fulmen FA900 (90 Ah, 720 A), Fulmen FC400 (40 Ah, 320 A) |

## Fulmen FC900 vs FB950 and FK950: which one to choose?

The real differences between the FC900 and the closest Fulmen models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulmen FC900 (this one) | 90 Ah | 720 A | 353 × 175 × 190 | right | 20.2 kg |
| Fulmen FB950 | 95 Ah | 800 A | 353 × 175 × 190 | right | 21.6 kg |
| Fulmen FK950 | 95 Ah | 850 A | 353 × 175 × 190 | right | 25.9 kg |

- Fulmen FB950: 5 Ah more, 80 A more cranking power, the same L5 case.
- Fulmen FK950: 5 Ah more, 130 A more cranking power, the same L5 case, AGM technology.

## Equivalents and alternatives to the Fulmen FC900

Batteries that fit the FC900's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FC900.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Varta F6 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Kronobat SD-90.0 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Tudor TC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Deta DC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Exide EB950 | Lead-acid | 95 Ah | 800 A | 353 × 175 × 190 |

## What it means that the FC900 is lead-acid

The FC900 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.

## What to look at before buying the FC900

- If your car has Start-Stop, the FC900 is not the right one: it needs an EFB or an AGM.
- The FC900 delivers 720 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the FC900: 90 Ah; the same as your current battery or slightly more is fine.
- The FC900 has the positive terminal on the right: compare it with your current battery.
- The FC900 needs 353 × 175 × 190 mm of space (European case size L5): measure it with the hold-down clamp in place.

## Frequently asked questions about the Fulmen FC900

### FC900 or FB950: which one suits me?

Compared with the FC900, the Fulmen FB950 has 5 Ah more and 80 A more cranking power. If your current battery says 800 A or more, choose the FB950; if it says 720 A or less, the FC900 is enough. Both measure 353 × 175 × 190 mm, so they fit the same tray.

### Can the Fulmen FC900 be used in a car with Start-Stop?

No. The FC900 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM; in this same size there is the Fulmen FK950.

### How much does the Fulmen FC900 weigh?

20.2 kg, with 90 Ah of capacity. For reference, the Fulmen FB950 (95 Ah) weighs 21.6 kg.

### Which battery is equivalent to the Fulmen FC900?

With the same dimensions, polarity and similar capacity you have the Exide EC900, Varta F6 and Kronobat SD-90.0. As the FC900 is a conventional battery, an EFB or AGM of the same size also works.

### What case size is the Fulmen FC900?

Case size L5: 353 × 175 × 190 mm. The FC900 fits any standard L5 battery tray such as the Exide EC900.

### Which side is the positive terminal on the Fulmen FC900?

On the FC900, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## More batteries to compare with the FC900

- [Other car batteries](https://bateriasonline.es/en/car-batteries)
- [Full Fulmen catalogue](https://bateriasonline.es/en/fulmen-batteries)
- [Exide EC900](https://bateriasonline.es/en/exide-ec900) · 90 Ah, 720 A, 353×175×190 mm
- [Varta F6](https://bateriasonline.es/en/varta-f6) · 90 Ah, 720 A, 353×175×190 mm

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