# Fulmen FK960 · Start-Stop battery 12V 96Ah 850A

![Fulmen FK960 · Start-Stop battery 12V 96Ah 850A](https://bateriasonline.es/2667-home_default/fulmen-fk960.jpg)

> Fulmen FK960: 96 Ah Start-Stop battery, 850 A (EN), 353×175×190 mm, positive terminal on the right, L5 case, AGM. Equivalent to Exide EK960 and Tudor TK960.

**Category:** [Start-Stop batteries (AGM and EFB)](https://bateriasonline.es/en/start-stop-batteries-agm-efb) → [Fulmen](https://bateriasonline.es/en/fulmen-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fulmen-fk960
- **Language**: en
- **Brand**: Fulmen
- **Reference**: BOL-FULMEN-FK960
- **EAN**: 3661024047425
- **MPN**: FK960
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulmen |
| Range | FULMEN AGM |
| Application | Start-Stop cars |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 96 Ah |
| Cold cranking amps (EN) | 850 A |
| Length | 353 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 26.1 kg |
| Polarity | Positive terminal on the right |
| Case size | L5 (353 × 175 × 190 mm) |

## Quick description

The Fulmen FK960 is a Start-Stop battery (AGM) with 12 V, 96 Ah and 850 A cold cranking current, case size L5 (353 × 175 × 190 mm), with the positive terminal on the right.

## Description

## Who the Fulmen FK960 is for

The Fulmen FK960 is a battery for cars with Start-Stop: it withstands many more starting and partial-discharge cycles than a conventional battery and powers the electronics every time the engine stops at the lights. It takes repeated discharges without losing capacity the way a conventional battery would.
At 96 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The FK960 belongs to the Fulmen FULMEN AGM range. [The full range of Fulmen batteries](https://bateriasonline.es/en/fulmen-batteries)

## Fulmen FK960 codes and part numbers

The FK960 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | FK960 |
|---|---|
| EAN | 3661024047425 |
| Case size (EN) | L5 |
| Not to be confused with | Fulmen FK950 (95 Ah, 850 A) |

## Fulmen FK960 vs FK950 and FK1050

Torn between the FK960 and another similar Fulmen? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulmen FK960 (this one) | 96 Ah | 850 A | 353 × 175 × 190 | right | 26.1 kg |
| Fulmen FK950 | 95 Ah | 850 A | 353 × 175 × 190 | right | 25.9 kg |
| Fulmen FK1050 | 105 Ah | 950 A | 392 × 175 × 190 | right | 29 kg |

- Fulmen FK950: 1 Ah less, the same cranking power, the same L5 case.
- Fulmen FK1050: 9 Ah more, 100 A more cranking power, a different case (392 × 175 × 190 mm).

## Equivalents and alternatives to the Fulmen FK960

As the FK960 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EK960 | AGM | 96 Ah | 850 A | 353 × 175 × 190 |
| Tudor TK960 | AGM | 96 Ah | 850 A | 353 × 175 × 190 |
| Deta DK960 | AGM | 96 Ah | 850 A | 353 × 175 × 190 |
| Varta A5 | AGM | 95 Ah | 850 A | 353 × 175 × 190 |
| Deta DK950 | AGM | 95 Ah | 850 A | 353 × 175 × 190 |
| Fulmen FK950 | AGM | 95 Ah | 850 A | 353 × 175 × 190 |

## What it means that the FK960 is AGM

The FK960 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Check this before ordering the Fulmen FK960

- The FK960 is AGM: it replaces an AGM or an EFB of the same size. You can swap an EFB for an AGM, but not an AGM for an EFB.
- Check the EN amps on your battery: if it says 850 A or less, the FK960 covers your engine.
- Your current battery should say about 96 Ah; a little more is also fine.
- Polarity of the FK960: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Measure the space: the FK960 takes up 353 × 175 × 190 mm (European case size L5).

## Frequently asked questions about the Fulmen FK960

### Fulmen FK960 or FK950?

Compared with the FK960, the Fulmen FK950 has 1 Ah less. With the same cranking power (850 A), the FK960 and the FK950 differ in capacity: the one with more Ah supports more load with the engine off. Both measure 353 × 175 × 190 mm, so they fit the same tray.

### Can the Fulmen FK960 be used in a car with Start-Stop?

Yes. As an AGM battery, the FK960 handles automatic engine stop and brake energy recovery, and it can replace an EFB of the same size.

### How much does the Fulmen FK960 weigh?

The FK960 weighs 26.1 kg. For reference, the Fulmen FK950 (95 Ah) weighs 25.9 kg.

### Which battery is equivalent to the Fulmen FK960?

Only other AGM batteries with its dimensions and polarity: Exide EK960, Tudor TK960 and Deta DK960. Neither an EFB nor a conventional battery replaces the FK960.

### What case size is the Fulmen FK960?

Case size L5: 353 × 175 × 190 mm. The FK960 fits any standard L5 battery tray such as the Exide EK960.

### Which side is the positive terminal on the Fulmen FK960?

The FK960 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Why does a Start-Stop battery cost more than a standard one?

Because it uses reinforced plates and separators to withstand thousands of starts and partial discharges. A conventional battery in a Start-Stop car can fail in under a year.

## More batteries to compare with the FK960

- [All start-Stop batteries (AGM and EFB)](https://bateriasonline.es/en/start-stop-batteries-agm-efb)
- [Full Fulmen catalogue](https://bateriasonline.es/en/fulmen-batteries)
- [Exide EK960](https://bateriasonline.es/en/exide-ek960) · 96 Ah, 850 A, 353×175×190 mm
- [Tudor TK960](https://bateriasonline.es/en/tudor-tk960) · 96 Ah, 850 A, 353×175×190 mm

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*bateriasonline.es — Batteries and accessories · 2026-11-10*