Fulmen

Fulmen FC905 · Car battery 12V 90Ah 680A

Reference: BOL-FULMEN-FC905 · EAN 3661024044769

Fulmen FC905: car battery with 12 V, 90 Ah and 680 A cold cranking current, case size D31 (306 × 173 × 222 mm), with the positive terminal on the left. If yours has the positive terminal on the right, you need the Fulmen FC904.

Voltage
12V
Capacity
90Ah
Cold cranking amps (EN)
680A
Technology
Lead-acid
Dimensions (L × W × H)
306 × 173 × 222 mm
Polarity
Positive terminal on the left
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The Fulmen FC905 at a glance

The Fulmen FC905 is made for petrol and diesel cars without automatic engine stop. Its job is to start the engine in the cold with margin to spare and keep the car's electronics powered.

At 90 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The FC905 belongs to the Fulmen FULMEN Standard range. See all Fulmen batteries

Part numbers and codes for the Fulmen FC905

This is how the Fulmen FC905 appears on the label and in parts catalogues:

Commercial referenceFC905
EAN3661024044769
Case size (EN)D31
Not to be confused withFulmen FC605 (60 Ah, 440 A), Fulmen FC900 (90 Ah, 720 A, positive terminal on the right), Fulmen FC904 (90 Ah, 680 A, positive terminal on the right)

Fulmen FC905 vs FA955, FC904 and FB955: differences

The real differences between the FC905 and the closest Fulmen models:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Fulmen FC905 (this one)90 Ah680 A306 × 173 × 222left19.9 kg
Fulmen FA95595 Ah800 A306 × 173 × 222left21.4 kg
Fulmen FC90490 Ah680 A306 × 173 × 222right19.9 kg
Fulmen FB95595 Ah760 A306 × 173 × 222left20.6 kg
  • Fulmen FA955: 5 Ah more, 120 A more cranking power, the same D31 case.
  • Fulmen FC904: identical to the FC905 except for the positive terminal, which is on the other side (positive terminal on the right).
  • Fulmen FB955: 5 Ah more, 80 A more cranking power, the same D31 case.

Equivalents and alternatives to the Fulmen FC905

Batteries that fit the FC905's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FC905.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Exide EC905Lead-acid90 Ah680 A306 × 173 × 222
Tudor TC905Lead-acid90 Ah680 A306 × 173 × 222
Deta DC905Lead-acid90 Ah680 A306 × 173 × 222
Exide EB955Lead-acid95 Ah760 A306 × 173 × 222
Tudor TB955Lead-acid95 Ah760 A306 × 173 × 222
Deta DB955Lead-acid95 Ah760 A306 × 173 × 222

Inside the FC905: lead-acid technology

Inside, the FC905 is classic lead-acid: liquid electrolyte and lead plates. If the FC905 is left discharged for weeks it sulphates: a maintenance charger prevents this.

Before ordering the FC905, check this

  • If your car has Start-Stop, the FC905 is not the right one: it needs an EFB or an AGM.
  • The FC905 delivers 680 A cold cranking (EN standard); do not go below what your original battery states.
  • Your current battery should say about 90 Ah; a little more is also fine.
  • The FC905 has the positive terminal on the left: compare it with your current battery.
  • Measure the space: the FC905 takes up 306 × 173 × 222 mm (European case size D31).

Frequently asked questions about the Fulmen FC905

FC905 or FA955: which one suits me?

Compared with the FC905, the Fulmen FA955 has 5 Ah more and 120 A more cranking power. If your current battery says 800 A or more, choose the FA955; if it says 680 A or less, the FC905 is enough. Both measure 306 × 173 × 222 mm, so they fit the same tray.

Fulmen FC905 or FC904: what is the difference?

Only the polarity: the FC905 has the positive terminal on the left and the FC904 the positive terminal on the right. Capacity (90 Ah), cranking power and dimensions are identical.

Can the Fulmen FC905 be used in a car with Start-Stop?

No. The FC905 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM.

How much does the Fulmen FC905 weigh?

19.9 kg, with 90 Ah of capacity. For reference, the Fulmen FA955 (95 Ah) weighs 21.4 kg.

Which battery is equivalent to the Fulmen FC905?

With the same dimensions, polarity and similar capacity you have the Exide EC905, Tudor TC905 and Deta DC905. As the FC905 is a conventional battery, an EFB or AGM of the same size also works.

What case size is the Fulmen FC905?

Case size D31: 306 × 173 × 222 mm. The FC905 fits any standard D31 battery tray such as the Exide EC905.

Other options if you are unsure about the FC905

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