Specifications
| Brand | Fulmen |
|---|---|
| Part number | FB740 |
| Voltage (V) | 12 |
| Capacity (C20) | 74Ah (c20) |
| Technology | Lead-acid |
| Length | 278 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 16.60 Kgs |
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Fulmen FB740 12V 74Ah 680A is a starter battery with OEM-equivalent quality, designed for modern passenger cars. Delivers reliable cold-cranks even after weeks of inactivity and supports stable auxiliary loads (lights, climate control, infotainment).

The Fulmen FB740 from the Formula range delivers 74 Ah and 680 A of cold cranking current (EN) at 12 V: the usual specification for passenger cars with conventional starting, without a Start-Stop system. Measuring 278 × 175 × 190 mm and the positive terminal on the right, it is the direct replacement for cars fitted from the factory with a 74 Ah battery of this format.
The Fulmen FB740 is compatible with more than 1,831 vehicles: it is fitted as original equipment or as a replacement by brands such as Citroën, Mercedes-Benz, Renault, Volkswagen, Chevrolet and Peugeot. It is a go-to option when you need a battery for a Citroën, Mercedes-Benz or other models that use this same format. It also appears as a replacement in vehicles from Audi, BMW, Fiat, Toyota, Nissan, Ford, Cadillac and Volvo, among other manufacturers. In our database it is cross-referenced against 410 original-equipment part numbers, which gives an idea of its real coverage.
The Formula is the Fulmen range the FB740 belongs to: it shares the same construction and quality criteria with the rest of the series, and varies in capacity and format to suit each vehicle.
The conventional lead-acid battery remains the most widespread technology thanks to its balance of capacity, cranking current and price. Well maintained and kept charged, it offers years of reliable service in vehicles without Start-Stop.
It has external dimensions of 278 × 175 × 190 mm and weighs 16.60 kg. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. It uses a B13 hold-down and 1 terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.
Fulmen is the historic French brand of the Exide group: batteries made on the same lines and with the same technology as original equipment, widely used by workshops across Europe. All the Fulmen batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Keep the terminals clean and tight, and check that the resting voltage does not drop below 12.4 V: below that it is time to recharge. On batteries with filler caps, check the electrolyte level and top up only with distilled water.
The Fulmen FB740 comes with the manufacturer's official warranty against manufacturing defects; the exact period is stated in the brand's conditions. If it fails through a defect within the period, we replace it free of charge.
Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic and Canary Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.
Data sheet
Specific References
| Brand | Fulmen |
|---|---|
| Manufacturer range | FULMEN Formula |
| Manufacturer reference (MPN) | FB740 |
| EAN-13 barcode | 3661024044554 |
| European case size (EN 50342-2) | L3 |
| Dimensions (length × width × height) | 278 × 175 × 190 mm (278x175x190) |
The Fulmen FB740 is interchangeable with these equivalent references: TB740 (Tudor), E11 (Varta), E13 (Varta), EB740 (Exide), EC700 (Exide).
| Product | Specifications | Technology | Price |
|---|---|---|---|
|
|
12V 74Ah 680A | Lead-acid | |
|
|
12V 74Ah 680A | Lead-acid | €71.90 |
|
|
12V 74Ah 680A | Lead-acid | €71.95 |
|
|
12V 70Ah 640A | Lead-acid | €68.90 |
|
|
12V 74Ah 680A | Lead-acid | €59.10 |
|
|
12V 70Ah 640A | Lead-acid | €84.70 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
The Fulmen FB740 fits 1831 vehicles. Most searched below:
Step-by-step guide to replace your car battery in 15-30 minutes (longer if the battery is under the seat or in the boot) without losing vehicle settings.
Park on a flat surface, switch off the engine and remove the key. Make sure all lights and electrical accessories are off. Wait 1-2 minutes before starting.
Open the bonnet. The battery is usually in the engine bay, but in many modern cars it may be in the boot or under the passenger seat. Check the manual if you cannot find it.
Use the 10 mm wrench to loosen the negative cable nut (black, marked −) and remove the cable from the post. Move it aside so it cannot touch any bodywork.
Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.
Loosen the bottom hold-down clamp with the same wrench. Lift the battery carefully (it can weigh 15-25 kg). Clean the tray with a brush and baking soda if there is corrosion.
Place the battery in the same orientation as the old one (positive terminal on the same side). Tighten the hold-down clamp firmly.
Connect the positive (+) terminal first, then the negative (−). Tighten the nuts with the wrench until each terminal does not move. Apply anti-spark grease if you have any.
Close the bonnet. Start the engine to confirm everything works. On cars with Start-Stop or a BMS, you may need to register the battery via OBD so the alternator applies the correct charging profile.
In most cars it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On cars with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.
Expected lifespan of the Fulmen FB740 is 4 to 6 years in regular car use without Start-Stop. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.
Dimensions (length × width × height) are 278×175×190 mm — also written as 278x175x190 mm and correspond to the European L3 case size — following the European DIN standard. Always measure the space in your car before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.
Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The FB740 fits 1,831 verified vehicle versions in our database.
Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop cars. See the "Equivalents" section to view recommended options at the same performance level.
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