Fulmen FB501 · Car battery 12V 50Ah 450A

Car battery Fulmen FB501 Formula 50Ah 450A 12V

With 50 Ah at 12 V and 450 A of cold cranking current (EN), the Fulmen FB501 from the Formula range is a starter battery built for passenger cars with conventional starting, without a Start-Stop system. It measures 207 × 175 × 190 mm and the positive terminal on the left, the format sought by anyone replacing a 50 Ah battery in cars.

In short: the Fulmen FB501 (50 Ah, 450 A, 207 × 175 × 190 mm, positive terminal on the left). 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: Tudor TB501 and Exide EB501.

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

What the Fulmen FB501 is for

The Fulmen FB501 covers the needs of passenger cars with conventional starting, without a Start-Stop system: reliable starting, stable voltage for the electronics and a service life of several years in daily use. Check that it matches your current battery in size and terminal position. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 12.20 kg and B13 hold-down.

Will it fit your current battery tray?

In terms of format, the Fulmen FB501 measures 207 × 175 × 190 mm (length × width × height) and weighs 12.20 kg. The positive terminal on the left 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, 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.

The Fulmen FB501: Formula range and conventional lead-acid technology

The FB501 is part of the Fulmen Formula range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.

In a conventional battery the electrolyte is liquid and the lead plates are immersed in it. It is a mature, economical and easily recycled technology, ideal for starting vehicles in normal use.

Fulmen: the maker behind the FB501

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 FB501 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.

Care and maintenance

On batteries with filler caps, check the electrolyte level and top up only with distilled water. Avoid leaving lights or accessories on with the engine off: most batteries fail not through defects but through repeated deep discharges.

Delivery times 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.