# Fulmen FL954 · Start-Stop battery 12V 95Ah 800A ![Fulmen FL954 · Start-Stop battery 12V 95Ah 800A](https://bateriasonline.es/2740-home_default/fulmen-fl954.jpg) > Fulmen FL954: 95 Ah Start-Stop battery, 800 A (EN), 306×173×222 mm, positive terminal on the right, D31 case, EFB. Equivalent to Exide EL954 and Tudor TL954. **Category:** [Start-Stop batteries (AGM and EFB)](https://bateriasonline.es/en/start-stop-batteries-agm-efb) → [Fulmen](https://bateriasonline.es/en/fulmen-batteries) - **Canonical URL**: https://bateriasonline.es/en/fulmen-fl954 - **Language**: en - **Brand**: Fulmen - **Reference**: BOL-FULMEN-FL954 - **EAN**: 3661024046503 - **MPN**: FL954 - **Last updated**: 2026-10-27 ## Technical specifications | Feature | Value | |---|---| | Brand | Fulmen | | Range | FULMEN EFB | | Application | Start-Stop cars | | Technology | EFB | | Voltage | 12 V | | Capacity | 95 Ah | | Cold cranking amps (EN) | 800 A | | Length | 306 mm | | Width | 173 mm | | Height | 222 mm | | Weight | 21.8 kg | | Polarity | Positive terminal on the right | | Case size | D31 (306 × 173 × 225 mm) | ## Quick description The Fulmen FL954 is a Start-Stop battery (EFB) with 12 V, 95 Ah and 800 A cold cranking current, case size D31 (306 × 173 × 222 mm), with the positive terminal on the right. Need the positive terminal on the left? The same battery is the Fulmen FL955. ## Description ## Who the Fulmen FL954 is for The Fulmen FL954 is designed for automatic engine stop and regenerative braking. It takes repeated discharges without losing capacity the way a conventional battery would. At 95 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The FL954 belongs to the Fulmen FULMEN EFB range. [The full range of Fulmen batteries](https://bateriasonline.es/en/fulmen-batteries) ## Fulmen FL954 vs FL800, FL955 and FK820: differences Torn between the FL954 and another similar Fulmen? This is what changes: | Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight | |---|---|---|---|---|---| | Fulmen FL954 (this one) | 95 Ah | 800 A | 306 × 173 × 222 | right | 21.8 kg | | Fulmen FL800 | 80 Ah | 800 A | 315 × 175 × 190 | right | 22.1 kg | | Fulmen FL955 | 95 Ah | 800 A | 306 × 173 × 222 | left | 21.8 kg | | Fulmen FK820 | 82 Ah | 800 A | 315 × 175 × 190 | right | 23.3 kg | - Fulmen FL800: 15 Ah less, the same cranking power, a different case (315 × 175 × 190 mm). - Fulmen FL955: identical to the FL954 except for the positive terminal, which is on the other side (positive terminal on the left). - Fulmen FK820: 13 Ah less, the same cranking power, a different case (315 × 175 × 190 mm), AGM technology. ## Fulmen FL954 codes and part numbers This is how the Fulmen FL954 appears on the label and in parts catalogues: | Commercial reference | FL954 | |---|---| | EAN | 3661024046503 | | Case size (EN) | D31 | | Not to be confused with | Fulmen FL754 (75 Ah, 750 A), Fulmen FL955 (95 Ah, 800 A, positive terminal on the left), Fulmen FB954 (95 Ah, 760 A) | ## Equivalents and alternatives to the Fulmen FL954 Alternatives to the FL954 with its dimensions and polarity, in EFB or AGM only: a conventional battery cannot cope with the Start-Stop cycles an EFB is built for. | Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) | |---|---|---|---|---| | Exide EL954 | EFB | 95 Ah | 800 A | 306 × 173 × 222 | | Tudor TL954 | EFB | 95 Ah | 800 A | 306 × 173 × 222 | ## Before ordering the FL954, check this - Measure the space: the FL954 takes up 306 × 173 × 222 mm (European case size D31). - Polarity of the FL954: positive terminal on the right (if yours has it on the other side, the cables will not reach). - Capacity of the FL954: 95 Ah; the same as your current battery or slightly more is fine. - Cold cranking: 800 A (EN), equal to or higher than the original. - The FL954 is an EFB: it suits cars that had an EFB or a conventional battery. If yours had an AGM, fit another AGM. ## Inside the FL954: EFB technology Inside, the FL954 uses EFB technology, a reinforced version of the flooded battery. The FL954 works with normal chargers that have a lead-acid or EFB mode. ## Frequently asked questions about the Fulmen FL954 ### Fulmen FL954 or FL800? Compared with the FL954, the Fulmen FL800 has 15 Ah less. With the same cranking power (800 A), the FL954 and the FL800 differ in capacity: the one with more Ah supports more load with the engine off. Mind the space: the FL800 measures 315 × 175 × 190 mm. ### What is the difference between the Fulmen FL954 and the FL955? They are the same battery with the terminals swapped: positive terminal on the right on the FL954, positive terminal on the left on the FL955. Look at your current battery with the terminals facing you and pick the one that matches. ### Can the Fulmen FL954 be used in a car with Start-Stop? Yes, the FL954 is an EFB: it suits Start-Stop without brake energy recovery, or cars that already had an EFB. If your car left the factory with an AGM, fit another AGM. ### How much does the Fulmen FL954 weigh? The FL954 weighs 21.8 kg. For reference, the Fulmen FL800 (80 Ah) weighs 22.1 kg. ### Which battery is equivalent to the Fulmen FL954? In EFB or AGM, with its dimensions and polarity: Exide EL954 and Tudor TL954. A conventional battery does not replace the FL954. ### What case size is the Fulmen FL954? Case size D31: 306 × 173 × 222 mm. The FL954 fits any standard D31 battery tray such as the Exide EL954. ### Which charger does the Fulmen FL954 need? An automatic charger with a lead-acid or EFB mode. Modern chargers recognise it like a conventional battery; avoid old ones without voltage control. ## Other options if you are unsure about the FL954 - [More start-Stop batteries (AGM and EFB)](https://bateriasonline.es/en/start-stop-batteries-agm-efb) - [Full Fulmen catalogue](https://bateriasonline.es/en/fulmen-batteries) - [Exide EL954](https://bateriasonline.es/en/exide-el954) · 95 Ah, 800 A, 306×173×222 mm - [Tudor TL954](https://bateriasonline.es/en/tudor-tl954) · 95 Ah, 800 A, 306×173×222 mm --- *bateriasonline.es — Batteries and accessories · 2026-11-10*