Fulmen
Fulmen FF1250 · Truck battery 12V 125Ah 850A
Reference: BOL-FULMEN-FF1250 · EAN 3661024047449
Fulmen FF1250: truck battery with 12 V, 125 Ah and 850 A cold cranking current, measuring 349 × 175 × 285 mm, with the positive terminal on the right. With the positive terminal on the left, the exact counterpart is the Fulmen FF1251.
Fulmen FF1250 · Truck battery 12V 125Ah 850A images
- Voltage
- 12V
- Capacity
- 125Ah
- Cold cranking amps (EN)
- 850A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 349 × 175 × 285 mm
- Polarity
- Positive terminal on the right
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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.
Who the Fulmen FF1250 is for
The Fulmen FF1250 is a starter battery for trucks, tractors and machinery: high capacity, robust terminals and a build that withstands vibration and the starts of large engines. The FF1250 is fitted alone or in pairs, in series, for the 24 V system of many trucks.
The FF1250 belongs to the Fulmen FULMEN Power Pro (HDX) range. More Fulmen batteries
What it means that the FF1250 is lead-acid
The FF1250 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the FF1250 needs no special registration: just connect it.
Fulmen FF1250 vs FG1250, FF1251 and FF1202
The real differences between the FF1250 and the closest Fulmen models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulmen FF1250 (this one) | 125 Ah | 850 A | 349 × 175 × 285 | right | 31 kg |
| Fulmen FG1250 | 125 Ah | 760 A | 349 × 175 × 285 | right | 29.5 kg |
| Fulmen FF1251 | 125 Ah | 850 A | 349 × 175 × 285 | left | 31 kg |
| Fulmen FF1202 | 120 Ah | 870 A | 349 × 175 × 235 | right | 27.5 kg |
| Fulmen FJ1100 | 110 Ah | 900 A | 349 × 175 × 235 | right | 28.3 kg |
- Fulmen FG1250: the same capacity, 90 A less cranking power, the same dimensions.
- The Fulmen FF1251 is the same battery with the positive terminal on the other side: choose it if your current battery has the positive terminal on the left.
- Fulmen FF1202: 5 Ah less, 20 A more cranking power, a different height (235 mm instead of 285 mm). It is the option if your battery tray cannot take the 285 mm height of the FF1250.
- Fulmen FJ1100: 15 Ah less, 50 A more cranking power, a different case (349 × 175 × 235 mm).
Equivalents and alternatives to the Fulmen FF1250
Same dimensions and polarity as the FF1250, with similar capacity and cranking power; as a conventional battery, the FF1250 can also be replaced by an EFB or AGM of the same size if you want more cycles.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EF1250 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
| Tudor TF1250 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
| Deta DF1250 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
Fulmen FF1250 codes and part numbers
Look for any of these FF1250 codes on your current battery or in the manufacturer's catalogue:
| Commercial reference | FF1250 |
|---|---|
| EAN | 3661024047449 |
| Not to be confused with | Fulmen FF1251 (125 Ah, 850 A, positive terminal on the left), Fulmen FG1250 (125 Ah, 760 A) |
Before ordering the FF1250, check this
- The FF1250 delivers 850 A cold cranking (EN standard); do not go below what your original battery states.
- Your current battery should say about 125 Ah; a little more is also fine.
- Polarity of the FF1250: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Measure the space: the FF1250 takes up 349 × 175 × 285 mm.
Frequently asked questions about the Fulmen FF1250
Fulmen FF1250 or FG1250?
Compared with the FF1250, the Fulmen FG1250 has 90 A less cranking power. The FF1250 cranks harder; the FG1250 is only a good option if your original battery says 760 A or less. Both measure 349 × 175 × 285 mm, so they fit the same tray.
What is the difference between the Fulmen FF1250 and the FF1251?
They are the same battery with the terminals swapped: positive terminal on the right on the FF1250, positive terminal on the left on the FF1251. Look at your current battery with the terminals facing you and pick the one that matches.
Fulmen FF1250 or FF1202: what changes?
Mainly the height: the FF1250 is 285 mm tall and the Fulmen FF1202 235 mm, with the same length and width. In capacity and cranking power, the FF1202 offers 120 Ah and 870 A against 125 Ah and 850 A. Before choosing between the FF1250 and the FF1202, measure the free height of the battery compartment with the cover or bonnet closed.
How much does the Fulmen FF1250 weigh?
The FF1250 weighs 31 kg. For reference, the Fulmen FG1250 (125 Ah) weighs 29.5 kg.
Which battery is equivalent to the Fulmen FF1250?
With the same dimensions, polarity and similar capacity you have the Exide EF1250, Tudor TF1250 and Deta DF1250. As the FF1250 is a conventional battery, an EFB or AGM of the same size also works.
What does HD or vibration resistance mean on a truck battery?
That the plates are fixed to withstand intense vibration (EN 50342 V3/V4). It is essential in construction, agriculture and long-haul transport.
Keep comparing: alternatives to the FF1250
- All truck, commercial and agricultural vehicle batteries
- The whole Fulmen range
- Exide EF1250 · 125 Ah, 850 A, 349×175×285 mm
- Tudor TF1250 · 125 Ah, 850 A, 349×175×285 mm
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