Fulmen FC904 · Car battery 90Ah 680A

Car battery Fulmen FC904 Standard 90Ah 680A 12V

The Fulmen FC904 from the Standard range delivers 90 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. It replaces the original battery without adaptation in cars with a 306 × 173 × 222 mm format: same 90 Ah capacity and the positive terminal on the right.

In short: the Fulmen FC904 (90 Ah, 680 A, 306 × 173 × 222 mm, positive terminal on the right). It is a conventional battery for cars without Start-Stop: if yours has Start-Stop, it needs an EFB or AGM battery of the same size. Verified equivalent alternatives: Exide EC904 and Tudor TC904.

• Conventional lead-acid: the most proven and economical technology.
• Reliable cold starts, even after weeks without driving.
• Direct replacement for the original battery in size and terminals.
• Original-equipment build quality without the dealership price.

Dimensions, polarity and mounting

It has external dimensions of 306 × 173 × 222 mm and weighs 19.90 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 Korean B1 hold-down, 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.

What the Fulmen FC904 is for

Designed for passenger cars with conventional starting, without a Start-Stop system, the Fulmen FC904 is the direct replacement when your vehicle uses a 90 Ah battery of this format. Before buying, compare dimensions, terminals and capacity with the battery you are replacing. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 19.90 kg and Korean B1 hold-down.

The Fulmen FC904: Standard range and conventional lead-acid technology

The FC904 is part of the Fulmen Standard range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.

Conventional lead-acid is the benchmark against which other technologies are compared: good cranking current, great tolerance to alternator charging and the best price per amp-hour.

Fulmen: the maker behind the FC904

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. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

Manufacturer's warranty

The Fulmen FC904 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.

Usage and maintenance tips

On batteries with filler caps, check the electrolyte level and top up only with distilled water. In normal daily use the alternator keeps the battery charged; if the car stands for weeks, a maintenance charge once a month prevents deep discharge.

Shipping, delivery and returns

Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.