# Fulbat FB7-A GEL · Motorcycle battery 12V 8.4Ah 120A

![Fulbat FB7-A GEL · Motorcycle battery 12V 8.4Ah 120A](https://bateriasonline.es/430-home_default/fulbat-fb7-a-gel.jpg)

> Fulbat FB7-A GEL: 8.4 Ah motorcycle battery, 120 A (EN), 135×75×133 mm, positive terminal on the left, GEL. Equivalent to Motobatt MTX9.

**Category:** [Motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries) → [Fulbat](https://bateriasonline.es/en/fulbat-batteries)

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fb7-a-gel
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FB7-A GEL
- **MPN**: FB7-A GEL
- **Price**: 52,15 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Motorcycle GEL |
| Application | Motorcycles |
| Technology | GEL |
| Voltage | 12 V |
| Capacity | 8.4 Ah |
| Cold cranking amps (EN) | 120 A |
| Length | 135 mm |
| Width | 75 mm |
| Height | 133 mm |
| Weight | 2.9 kg |
| Polarity | Positive terminal on the left |

## Quick description

Fulbat FB7-A GEL: motorcycle battery with 12 V, 8.4 Ah and 120 A cold cranking current, measuring 135 × 75 × 133 mm, with the positive terminal on the left.

## Description

## Who the Fulbat FB7-A GEL is for

The Fulbat FB7-A GEL is made for motorcycles, scooters and quads. It handles frame vibration and idle periods better than an adapted car battery.
At 8.4 Ah it covers mid-capacity motorcycles, large scooters and light quads. The FB7-A GEL belongs to the Fulbat FULBAT Motorcycle GEL range. [The full range of Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Part numbers and codes for the Fulbat FB7-A GEL

This is how the Fulbat FB7-A GEL appears on the label and in parts catalogues:

| Commercial reference | FB7-A GEL |
|---|---|
| Not to be confused with | Fulbat FB7C-A GEL (8.4 Ah, 85 A, positive terminal on the right) |

## Equivalents and alternatives to the Fulbat FB7-A GEL

Gel alternatives to the FB7-A GEL, with the same size and polarity: a gel charger does not treat an AGM or a flooded battery the same way.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Motobatt MTX9 | GEL | 9 Ah | 125 A | 137 × 76 × 133 |

## Fulbat FB7-A GEL vs FB9-B GEL and 12N5.5-4A/4B GEL: which one to choose?

What sets the FB7-A GEL apart from its neighbours in the Fulbat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FB7-A GEL (this one) | 8.4 Ah | 120 A | 135 × 75 × 133 | left | 2.9 kg |
| Fulbat FB9-B GEL | 9.5 Ah | 115 A | 135 × 75 × 139 | left | 3.25 kg |
| Fulbat 12N5.5-4A/4B GEL | 5.8 Ah | 70 A | 135 × 60 × 130 | left | 2.1 kg |

- Fulbat FB9-B GEL: 1.10 Ah more, 5 A less cranking power, a different case (135 × 75 × 139 mm).
- Fulbat 12N5.5-4A/4B GEL: 2.60 Ah less, 50 A less cranking power, a different case (135 × 60 × 130 mm).

## Check this before ordering the Fulbat FB7-A GEL

- Measure the space: the FB7-A GEL takes up 135 × 75 × 133 mm.
- With the terminals facing you, the positive terminal of the FB7-A GEL is on the left.
- Capacity of the FB7-A GEL: 8.4 Ah; the same as your current battery or slightly more is fine.
- Cold cranking: 120 A (EN), equal to or higher than the original.

## Frequently asked questions about the Fulbat FB7-A GEL

### FB7-A GEL or FB9-B GEL: which one suits me?

Compared with the FB7-A GEL, the Fulbat FB9-B GEL has 1.10 Ah more and 5 A less cranking power. The FB7-A GEL cranks harder; the FB9-B GEL is only a good option if your original battery says 115 A or less. Mind the space: the FB9-B GEL measures 135 × 75 × 139 mm.

### How much does the Fulbat FB7-A GEL weigh?

2.9 kg, with 8.4 Ah of capacity. For reference, the Fulbat FB9-B GEL (9.5 Ah) weighs 3.25 kg.

### Which battery is equivalent to the Fulbat FB7-A GEL?

For the FB7-A GEL, other gel batteries with its size and polarity: Motobatt MTX9.

### Which side is the positive terminal on the Fulbat FB7-A GEL?

On the FB7-A GEL, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

### Does the Fulbat FB7-A GEL come charged and ready to fit?

Sealed AGM and gel batteries leave the factory charged and ready. Conventional ones with a separate acid pack are activated when filled and should be charged before fitting.

## GEL technology in the FB7-A GEL

Inside, the FB7-A GEL holds its electrolyte in gel form. To charge the FB7-A GEL, use a charger with a gel profile.

## Other options if you are unsure about the FB7-A GEL

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Fulbat FB7L-B/B2 GEL](https://bateriasonline.es/en/fulbat-fb7l-b-b2-gel) · 8.4 Ah, 100 A, 136×76×130 mm

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