# Fulbat FB7L-B2 · Motorcycle battery 12V 8.4Ah 85A

![Fulbat FB7L-B2 · Motorcycle battery 12V 8.4Ah 85A](https://bateriasonline.es/395-home_default/fulbat-fb7l-b2.jpg)

> Fulbat FB7L-B2: 8.4 Ah motorcycle battery, 85 A (EN), 135×75×133 mm, positive terminal on the right. Equivalent to Exide EB7L-B. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fb7l-b2
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FB7L-B2
- **MPN**: FB7L-B2
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Motorcycle DRY |
| Application | Motorcycles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 8.4 Ah |
| Cold cranking amps (EN) | 85 A |
| Length | 135 mm |
| Width | 75 mm |
| Height | 133 mm |
| Weight | 2.96 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat FB7L-B2: motorcycle battery with 12 V, 8.4 Ah and 85 A cold cranking current, measuring 135 × 75 × 133 mm, with the positive terminal on the right.

## Description

## The Fulbat FB7L-B2 at a glance

The Fulbat FB7L-B2 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 FB7L-B2 belongs to the Fulbat FULBAT Motorcycle DRY range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FB7L-B2

Batteries that fit the FB7L-B2's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FB7L-B2.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EB7L-B | Lead-acid | 8 Ah | 85 A | 135 × 75 × 135 |

## Fulbat FB7L-B2 vs FB9L-B and 12N5.5-3B: which one to choose?

The real differences between the FB7L-B2 and the closest Fulbat models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FB7L-B2 (this one) | 8.4 Ah | 85 A | 135 × 75 × 133 | right | 2.96 kg |
| Fulbat FB9L-B | 9.5 Ah | 115 A | 135 × 75 × 139 | right | 2.91 kg |
| Fulbat 12N5.5-3B | 5.8 Ah | 55 A | 135 × 60 × 130 | right | 2.27 kg |

- Fulbat FB9L-B: 1.10 Ah more, 30 A more cranking power, a different case (135 × 75 × 139 mm).
- Fulbat 12N5.5-3B: 2.60 Ah less, 30 A less cranking power, a different case (135 × 60 × 130 mm).

## Check this before ordering the Fulbat FB7L-B2

- Length, width and height of the FB7L-B2: 135 × 75 × 133 mm.
- Polarity of the FB7L-B2: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Your current battery should say about 8.4 Ah; a little more is also fine.
- Check the EN amps on your battery: if it says 85 A or less, the FB7L-B2 covers your engine.

## Frequently asked questions about the Fulbat FB7L-B2

### FB7L-B2 or FB9L-B: which one suits me?

Compared with the FB7L-B2, the Fulbat FB9L-B has 1.10 Ah more and 30 A more cranking power. If your current battery says 115 A or more, choose the FB9L-B; if it says 85 A or less, the FB7L-B2 is enough. Mind the space: the FB9L-B measures 135 × 75 × 139 mm.

### How much does the Fulbat FB7L-B2 weigh?

2.96 kg, with 8.4 Ah of capacity. For reference, the Fulbat FB9L-B (9.5 Ah) weighs 2.91 kg.

### Which battery is equivalent to the Fulbat FB7L-B2?

With the same dimensions, polarity and similar capacity you have the Exide EB7L-B. As the FB7L-B2 is a conventional battery, an EFB or AGM of the same size also works.

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

On the FB7L-B2, 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.

## Inside the FB7L-B2: lead-acid technology

Inside, the FB7L-B2 is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

## Keep comparing: alternatives to the FB7L-B2

- [Other motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Fulbat range](https://bateriasonline.es/en/fulbat-batteries)
- [Exide EB7L-B](https://bateriasonline.es/en/exide-eb7l-b) · 8 Ah, 85 A, 135×75×135 mm

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