Fulmen
Fulmen FB451 · Car battery 12V 45Ah 330A
Reference: BOL-FULMEN-FB451 · EAN 3661024044486
Fulmen FB451: car battery with 12 V, 45 Ah and 330 A cold cranking current, measuring 220 × 135 × 225 mm, with the positive terminal on the left. Need the positive terminal on the right? The same battery is the Fulmen FB450.
Fulmen FB451 · Car battery 12V 45Ah 330A images
- Voltage
- 12V
- Capacity
- 45Ah
- Cold cranking amps (EN)
- 330A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 220 × 135 × 225 mm
- Polarity
- Positive terminal on the left
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14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
Does it fit your vehicle? Check by number plate or VIN
Enter your number plate or chassis number (VIN): we check whether this battery is compatible with your vehicle.
The Fulmen FB451 at a glance
The Fulmen FB451 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 45 Ah it is a small size: the usual choice for petrol superminis and city cars with little equipment. The FB451 belongs to the Fulmen FULMEN Formula range. See all Fulmen batteries
Fulmen FB451 vs FB356A, FB450 and FB357
The real differences between the FB451 and the closest Fulmen models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulmen FB451 (this one) | 45 Ah | 330 A | 220 × 135 × 225 | left | 12.5 kg |
| Fulmen FB356A | 35 Ah | 240 A | 187 × 127 × 220 | – | 8.9 kg |
| Fulmen FB450 | 45 Ah | 330 A | 220 × 135 × 225 | right | 12.5 kg |
| Fulmen FB357 | 35 Ah | 240 A | 187 × 127 × 220 | – | 8.9 kg |
- Fulmen FB356A: 10 Ah less, 90 A less cranking power, a different case (187 × 127 × 220 mm).
- Fulmen FB450: identical to the FB451 except for the positive terminal, which is on the other side (positive terminal on the right).
- Fulmen FB357: 10 Ah less, 90 A less cranking power, a different case (187 × 127 × 220 mm).
Part numbers and codes for the Fulmen FB451
This is how the Fulmen FB451 appears on the label and in parts catalogues:
| Commercial reference | FB451 |
|---|---|
| EAN | 3661024044486 |
| Not to be confused with | Fulmen FB450 (45 Ah, 330 A, positive terminal on the right), Fulmen FB454 (45 Ah, 330 A, positive terminal on the right), Fulmen FB455 (45 Ah, 330 A) |
Equivalents and alternatives to the Fulmen FB451
Batteries that fit the FB451's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FB451.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EB451 | Lead-acid | 45 Ah | 330 A | 220 × 135 × 225 |
| Tudor TB451 | Lead-acid | 45 Ah | 330 A | 220 × 135 × 225 |
| Deta DB451 | Lead-acid | 45 Ah | 330 A | 220 × 135 × 225 |
| Varta B24 | Lead-acid | 45 Ah | 300 A | 220 × 135 × 225 |
| Kronobat SD-45.1T | Lead-acid | 45 Ah | 300 A | 219 × 135 × 225 |
Check this before ordering the Fulmen FB451
- The FB451 needs 220 × 135 × 225 mm of space: measure it with the hold-down clamp in place.
- The FB451 has the positive terminal on the left: compare it with your current battery.
- Your current battery should say about 45 Ah; a little more is also fine.
- The FB451 delivers 330 A cold cranking (EN standard); do not go below what your original battery states.
- If your car has Start-Stop, the FB451 is not the right one: it needs an EFB or an AGM.
What it means that the FB451 is lead-acid
Inside, the FB451 is classic lead-acid: liquid electrolyte and lead plates. If the FB451 is left discharged for weeks it sulphates: a maintenance charger prevents this.
Frequently asked questions about the Fulmen FB451
FB451 or FB356A: which one suits me?
Compared with the FB451, the Fulmen FB356A has 10 Ah less and 90 A less cranking power. The FB451 cranks harder; the FB356A is only a good option if your original battery says 240 A or less. Mind the space: the FB356A measures 187 × 127 × 220 mm.
Fulmen FB451 or FB450: what is the difference?
Only the polarity: the FB451 has the positive terminal on the left and the FB450 the positive terminal on the right. Capacity (45 Ah), cranking power and dimensions are identical.
Can the Fulmen FB451 be used in a car with Start-Stop?
No. The FB451 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM.
How much does the Fulmen FB451 weigh?
12.5 kg, with 45 Ah of capacity. For reference, the Fulmen FB356A (35 Ah) weighs 8.9 kg.
Which battery is equivalent to the Fulmen FB451?
With the same dimensions, polarity and similar capacity you have the Exide EB451, Tudor TB451 and Deta DB451. As the FB451 is a conventional battery, an EFB or AGM of the same size also works.
Which charger does the Fulmen FB451 need?
An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.
Keep comparing: alternatives to the FB451
- More car batteries
- Full Fulmen catalogue
- Exide EB451 · 45 Ah, 330 A, 220×135×225 mm
- Tudor TB451 · 45 Ah, 330 A, 220×135×225 mm
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