# Fulbat FB7L-B/B2 GEL · Motorcycle battery 12V 8.4Ah 100A

![Fulbat FB7L-B/B2 GEL · Motorcycle battery 12V 8.4Ah 100A](https://bateriasonline.es/436-home_default/fulbat-fb7l-b-b2-gel.jpg)

> Fulbat FB7L-B/B2 GEL: 8.4 Ah motorcycle battery, 100 A (EN), 136×76×130 mm, positive terminal on the right, GEL.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fb7l-b-b2-gel
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FB7L-B/B2 GEL
- **MPN**: FB7L-B/B2 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) | 100 A |
| Length | 136 mm |
| Width | 76 mm |
| Height | 130 mm |
| Weight | 2.9 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat FB7L-B/B2 GEL: motorcycle battery with 12 V, 8.4 Ah and 100 A cold cranking current, measuring 136 × 76 × 130 mm, with the positive terminal on the right.

## Description

## Where the Fulbat FB7L-B/B2 GEL fits

The Fulbat FB7L-B/B2 GEL is made for motorcycles, scooters and quads. It is worth keeping the FB7L-B/B2 GEL on a maintenance charger if the bike is laid up over winter.
At 8.4 Ah it covers mid-capacity motorcycles, large scooters and light quads. The FB7L-B/B2 GEL belongs to the Fulbat FULBAT Motorcycle GEL range. [See all Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FB7L-B/B2 GEL

We have no other battery with exactly the dimensions and polarity of the FB7L-B/B2 GEL. Browse the rest of our [motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries) to compare close options.

## Fulbat FB7L-B/B2 GEL vs 12N5.5-3B GEL and FTZ8V GEL

What sets the FB7L-B/B2 GEL apart from its neighbours in the Fulbat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FB7L-B/B2 GEL (this one) | 8.4 Ah | 100 A | 136 × 76 × 130 | right | 2.9 kg |
| Fulbat 12N5.5-3B GEL | 5.8 Ah | 70 A | 135 × 60 × 130 | right | 2.1 kg |
| Fulbat FTZ8V GEL | 7.4 Ah | 120 A | 113 × 70 × 130 | right | 2.43 kg |

- Fulbat 12N5.5-3B GEL: 2.60 Ah less, 30 A less cranking power, a different case (135 × 60 × 130 mm).
- Fulbat FTZ8V GEL: 1 Ah less, 20 A more cranking power, a different case (113 × 70 × 130 mm).

## Before ordering the FB7L-B/B2 GEL, check this

- Check the EN amps on your battery: if it says 100 A or less, the FB7L-B/B2 GEL covers your engine.
- With 8.4 Ah, the FB7L-B/B2 GEL replaces an original battery of that capacity or slightly less.
- The FB7L-B/B2 GEL has the positive terminal on the right: compare it with your current battery.
- Length, width and height of the FB7L-B/B2 GEL: 136 × 76 × 130 mm.

## Frequently asked questions about the Fulbat FB7L-B/B2 GEL

### FB7L-B/B2 GEL or 12N5.5-3B GEL: which one suits me?

Compared with the FB7L-B/B2 GEL, the Fulbat 12N5.5-3B GEL has 2.60 Ah less and 30 A less cranking power. The FB7L-B/B2 GEL cranks harder; the 12N5.5-3B GEL is only a good option if your original battery says 70 A or less. Mind the space: the 12N5.5-3B GEL measures 135 × 60 × 130 mm.

### How much does the Fulbat FB7L-B/B2 GEL weigh?

2.9 kg, with 8.4 Ah of capacity. For reference, the Fulbat 12N5.5-3B GEL (5.8 Ah) weighs 2.1 kg.

### Which side is the positive terminal on the Fulbat FB7L-B/B2 GEL?

On the FB7L-B/B2 GEL, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

### How do I stop the motorcycle battery going flat in winter?

Connect it to a maintenance charger or disconnect it if the bike will sit for more than a month. A flat motorcycle battery sulphates in a few weeks.

## Inside the FB7L-B/B2 GEL: GEL technology

Inside, the FB7L-B/B2 GEL holds its electrolyte in gel form. It is the classic technology for wheelchairs, scooters, motorhomes and solar.

## More batteries to compare with the FB7L-B/B2 GEL

- [More motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [Full Fulbat catalogue](https://bateriasonline.es/en/fulbat-batteries)
- [Fulbat FB7C-A GEL](https://bateriasonline.es/en/fulbat-fb7c-a-gel) · 8.4 Ah, 85 A, 129×89×114 mm

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