In short: Put simply: Fulmen FB501, rated 50Ah 12V 450A, sold for cars and vans. Measure twice, order once: dimensions decide most swaps.
Why choose the Fulmen FB501
Your hatchback, saloon or small van wants a Fulmen FB501? Have a look below. On paper it reads 50Ah 12V 450A, which is what most drivers compare first. Once you have the code, searching batteries online by brand and reference is quick.
With 50Ah, capacity is typical of batteries for cars and vans.
12VVoltage
50AhCapacity (C20)
450AStarting power (EN)
Check before ordering
- ✓ Starting power: 450A to the EN standard. Match or beat the figure on your current label.
- ✓ Chemistry: lead-acid. Some vehicles and chargers are programmed for a specific type, so check before swapping.
- ✓ Dimensions to compare: 207 × 175 × 190 mm. Do not forget the base ledge, which the hold-down clamp grips on many vehicles.
Full specifications of the Fulmen FB501
Your questions answered
Does the Fulmen FB501 have left or right-hand polarity?
The layout is positive on the left-hand side. Check the original before ordering, because the same case size is often sold in both orientations.
Does my charger suit the technology of this battery?
It is built with lead-acid technology. Pick charging equipment with a matching mode and avoid storing it discharged.
What lead-acid means for you
Charging reverses the chemistry and restores the plates. Flooded deep-cycle batteries give good value in solar and traction work. Most basic chargers already suit a wet-cell battery perfectly well.
Other options with identical dimensions
Same format, different makers: these alternatives match the Fulmen FB501 in size and layout.
Deta DB501Exide EB501Tudor TB501Kronobat SD-45.1Varta B20
Explore more
Happy with the fit? Ordering the Fulmen FB501 at baterias.online is quick. Once the battery is in, keep the old one for recycling at an authorised point.
Using it day to day: practical tips
Classic cars stored in a garage all winter are famous for flat batteries in spring. A memory saver plugged into the 12-volt socket keeps radio codes and window settings alive during the swap. Ordering a battery whose plus post sits on the opposite corner is the most common mistake, and the cables simply will not reach.
