Exide EF1251 · Truck battery 12V 125Ah 850A
Reference: BOL-EXIDE-EF1251 · EAN 3661024037952
Exide EF1251: truck battery with 12 V, 125 Ah and 850 A cold cranking current, measuring 349 × 175 × 285 mm, with the positive terminal on the left. Need the positive terminal on the right? The same battery is the Exide EF1250.
- 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 left
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The Exide EF1251 at a glance
The Exide EF1251 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 EF1251 is fitted alone or in pairs, in series, for the 24 V system of many trucks.
The EF1251 belongs to the Exide EXIDE Power Pro (HDX) range. See all Exide batteries
What it means that the EF1251 is lead-acid
The EF1251 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the EF1251 needs no special registration: just connect it.
Exide EF1251 vs EG1251, EF1250 and EF1421: differences
The real differences between the EF1251 and the closest Exide models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Exide EF1251 (this one) | 125 Ah | 850 A | 349 × 175 × 285 | left | 31 kg |
| Exide EG1251 | 125 Ah | 760 A | 349 × 175 × 285 | left | 29.5 kg |
| Exide EF1250 | 125 Ah | 850 A | 349 × 175 × 285 | right | 31 kg |
| Exide EF1421 | 142 Ah | 850 A | 345 × 175 × 290 | left | 35.1 kg |
- Exide EG1251: the same capacity, 90 A less cranking power, the same dimensions.
- Exide EF1250: identical to the EF1251 except for the positive terminal, which is on the other side (positive terminal on the right).
- Exide EF1421: 17 Ah more, the same cranking power, a different case (345 × 175 × 290 mm).
Equivalents and alternatives to the Exide EF1251
Same dimensions and polarity as the EF1251, with similar capacity and cranking power; as a conventional battery, the EF1251 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) |
|---|---|---|---|---|
| Tudor TF1251 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
| Fulmen FF1251 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
| Deta DF1251 | Lead-acid | 125 Ah | 850 A | 349 × 175 × 285 |
Exide EF1251 codes and part numbers
Look for any of these EF1251 codes on your current battery or in the manufacturer's catalogue:
| Commercial reference | EF1251 |
|---|---|
| EAN | 3661024037952 |
| Not to be confused with | Exide EF1250 (125 Ah, 850 A, positive terminal on the right), Exide EG1251 (125 Ah, 760 A) |
What to look at before buying the EF1251
- Cold cranking: 850 A (EN), equal to or higher than the original.
- With 125 Ah, the EF1251 replaces an original battery of that capacity or slightly less.
- Polarity of the EF1251: positive terminal on the left (if yours has it on the other side, the cables will not reach).
- Measure the space: the EF1251 takes up 349 × 175 × 285 mm.
Frequently asked questions about the Exide EF1251
Exide EF1251 or EG1251?
Compared with the EF1251, the Exide EG1251 has 90 A less cranking power. The EF1251 cranks harder; the EG1251 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 Exide EF1251 and the EF1250?
They are the same battery with the terminals swapped: positive terminal on the left on the EF1251, positive terminal on the right on the EF1250. Look at your current battery with the terminals facing you and pick the one that matches.
How much does the Exide EF1251 weigh?
The EF1251 weighs 31 kg. For reference, the Exide EG1251 (125 Ah) weighs 29.5 kg.
Which battery is equivalent to the Exide EF1251?
With the same dimensions, polarity and similar capacity you have the Tudor TF1251, Fulmen FF1251 and Deta DF1251. As the EF1251 is a conventional battery, an EFB or AGM of the same size also works.
More batteries to compare with the EF1251
- Other truck, commercial and agricultural vehicle batteries
- More Exide models
- Tudor TF1251 · 125 Ah, 850 A, 349×175×285 mm
- Fulmen FF1251 · 125 Ah, 850 A, 349×175×285 mm
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