# Baterías Fulmen

> Fulmen Formula SLI, Xtreme premium, EFB and AGM Start-Stop. French brand in the Exide group, direct equivalents. Renault, Peugeot, Citroën. 24h delivery.

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- **Language**: en-GB

## Description

**Fulmen batteries**: heritage French brand now part of the **Exide Technologies range**, with direct equivalents to Exide and Tudor models. Mid-tier SLI for passenger and light commercial, broad code coverage on the French and Mediterranean fleet (Renault, Peugeot, Citroën, Dacia, Fiat), built to the same group quality standards.
Lines: **Fulmen Formula** standard SLI, **Fulmen Formula Xtreme** premium SLI, **Fulmen Formula EFB** basic Start-Stop, **Fulmen Formula AGM** regenerative-braking Start-Stop.

## Fulmen: the heritage French brand from the Exide group

Fulmen is a long-standing French brand, today part of the Exide Technologies group, sharing plants and quality with Tudor and Exide, with **direct equivalents** in capacity and performance across references from all three brands. Its natural niche is the French and Mediterranean fleet (Renault, Peugeot, Citroën, Dacia, Fiat) where equivalent OEM code coverage is broadest.

## Fulmen range

Line Technology Application Capacity
Formula SLI Cars without Start-Stop 40-100 Ah
Formula Xtreme Premium SLI Big diesel, premium 52-110 Ah
Formula EFB EFB Basic Start-Stop 60-95 Ah
Formula AGM AGM Regenerative Start-Stop 60-105 Ah

### Fulmen by application

- Fulmen Formula SLI
- Fulmen Formula Xtreme
- Fulmen Formula EFB
- Fulmen Formula AGM

### How to choose your Fulmen line

Use the [comparator](/gb/comparator) to see capacity (Ah), cold-cranking amps (CCA) and price side by side across Fulmen lines, and check whether your car's Start-Stop has regenerative braking (needs AGM) or not (EFB is enough).

## Frequently asked questions about Fulmen batteries

### **Is Fulmen the same as Exide?**

Fulmen is its own brand within the Exide Technologies group: it shares manufacturing and quality standards with Exide and Tudor, while keeping its own identity and commercial catalogue, aimed at the French and Mediterranean fleet.

### **What's the difference between Fulmen Formula and Formula Xtreme?**

Formula is the standard SLI for cars without Start-Stop; Formula Xtreme is the premium SLI version, built for bigger diesel engines and more demanding use.

### **Does a Fulmen battery work as an equivalent for an Exide or Tudor with the same code?**

In many cases yes: since they share a group and manufacturing, Fulmen references have direct equivalents in capacity and performance to Exide and Tudor models in the same range.

### **Which Fulmen line do I need if my car has Start-Stop?**

It depends on the system: basic Start-Stop uses Fulmen Formula EFB; Start-Stop with regenerative braking, found on most recent cars, requires Fulmen Formula AGM.

Fulmen catalogue curated by our technical team. **11,077 Trustpilot reviews · 4.5/5**. 24h mainland delivery, free 14-day returns.

## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — over 25 years of experience validating automotive batteries.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-08-11*