# Fulbat FB3L-B · Motorcycle battery 12V 3.2Ah 32A

![Fulbat FB3L-B · Motorcycle battery 12V 3.2Ah 32A](https://bateriasonline.es/383-home_default/fulbat-fb3l-b.jpg)

> Fulbat FB3L-B: 3.2 Ah motorcycle battery, 32 A (EN), 98×56×110 mm, positive terminal on the right. Equivalent to Varta YB3L-A and Varta YB3L-B.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fb3l-b
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FB3L-B
- **MPN**: FB3L-B
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Motorcycle DRY |
| Application | Motorcycles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 3.2 Ah |
| Cold cranking amps (EN) | 32 A |
| Length | 98 mm |
| Width | 56 mm |
| Height | 110 mm |
| Weight | 1.33 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat FB3L-B: motorcycle battery with 12 V, 3.2 Ah and 32 A cold cranking current, measuring 98 × 56 × 110 mm, with the positive terminal on the right.

## Description

## Where the Fulbat FB3L-B fits

The Fulbat FB3L-B is made for motorcycles, scooters and quads. It is worth keeping the FB3L-B on a maintenance charger if the bike is laid up over winter.
At 3.2 Ah it is a small battery, typical of 50 to 125 cc scooters and light motorcycles. The FB3L-B belongs to the Fulbat FULBAT Motorcycle DRY range. [The full range of Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Fulbat FB3L-B codes and part numbers

This is how the Fulbat FB3L-B appears on the label and in parts catalogues:

| Commercial reference | FB3L-B |
|---|---|
| Not to be confused with | Fulbat FB4L-B (4.2 Ah, 56 A), Fulbat FB5L-B (5.3 Ah, 65 A), Fulbat FB9L-B (9.5 Ah, 115 A) |

## Equivalents and alternatives to the Fulbat FB3L-B

Same dimensions and polarity as the FB3L-B, with similar capacity and cranking power; as a conventional battery, the FB3L-B 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) |
|---|---|---|---|---|
| Varta YB3L-A | Lead-acid | 3 Ah | 30 A | 100 × 58 × 112 |
| Varta YB3L-B | Lead-acid | 3 Ah | 30 A | 100 × 58 × 112 |
| Fulbat FB3L-A | Lead-acid | 3.2 Ah | 32 A | 98 × 56 × 110 |

## Fulbat FB3L-B vs FTX5L-BS and FTR4A-BS

What sets the FB3L-B apart from its neighbours in the Fulbat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FB3L-B (this one) | 3.2 Ah | 32 A | 98 × 56 × 110 | right | 1.33 kg |
| Fulbat FTX5L-BS | 4.2 Ah | 80 A | 113 × 70 × 105 | right | 1.78 kg |
| Fulbat FTR4A-BS | 2.4 Ah | 45 A | 113 × 48 × 85 | – | 1.05 kg |

- Fulbat FTX5L-BS: 1 Ah more, 48 A more cranking power, a different case (113 × 70 × 105 mm), AGM technology.
- Fulbat FTR4A-BS: 0.80 Ah less, 13 A more cranking power, a different case (113 × 48 × 85 mm), AGM technology.

## Before ordering the FB3L-B, check this

- Length, width and height of the FB3L-B: 98 × 56 × 110 mm.
- With the terminals facing you, the positive terminal of the FB3L-B is on the right.
- With 3.2 Ah, the FB3L-B replaces an original battery of that capacity or slightly less.
- Check the EN amps on your battery: if it says 32 A or less, the FB3L-B covers your engine.

## Frequently asked questions about the Fulbat FB3L-B

### Fulbat FB3L-B or FTX5L-BS?

Compared with the FB3L-B, the Fulbat FTX5L-BS has 1 Ah more, 48 A more cranking power and AGM technology. If your current battery says 80 A or more, choose the FTX5L-BS; if it says 32 A or less, the FB3L-B is enough. Mind the space: the FTX5L-BS measures 113 × 70 × 105 mm.

### How much does the Fulbat FB3L-B weigh?

The FB3L-B weighs 1.33 kg. For reference, the Fulbat FTX5L-BS (4.2 Ah) weighs 1.78 kg.

### Which battery is equivalent to the Fulbat FB3L-B?

With the same dimensions, polarity and similar capacity you have the Varta YB3L-A, Varta YB3L-B and Fulbat FB3L-A. As the FB3L-B is a conventional battery, an EFB or AGM of the same size also works.

### Which side is the positive terminal on the Fulbat FB3L-B?

The FB3L-B has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

## What it means that the FB3L-B is lead-acid

Inside, the FB3L-B is classic lead-acid: liquid electrolyte and lead plates. If the FB3L-B is left discharged for weeks it sulphates: a maintenance charger prevents this.

## Keep comparing: alternatives to the FB3L-B

- [More motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [Full Fulbat catalogue](https://bateriasonline.es/en/fulbat-batteries)
- [Varta YB3L-A](https://bateriasonline.es/en/varta-yb3l-a-503012003) · 3 Ah, 30 A, 100×58×112 mm
- [Varta YB3L-B](https://bateriasonline.es/en/varta-yb3l-b-503013003) · 3 Ah, 30 A, 100×58×112 mm

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