# Fulbat 6N6-3B-1 · Motorcycle battery 6V 6.3Ah 50A

![Fulbat 6N6-3B-1 · Motorcycle battery 6V 6.3Ah 50A](https://bateriasonline.es/379-home_default/fulbat-6n6-3b-1.jpg)

> Fulbat 6N6-3B-1: 6.3 Ah motorcycle battery, 50 A (EN), 99×57×111 mm, positive terminal on the right. Equivalent to Fulbat 6N6-3B and Motobatt MBT6N6.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-6n6-3b-1
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-6N6-3B-1
- **MPN**: 6N6-3B-1
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Motorcycle DRY |
| Application | Motorcycles |
| Technology | Lead-acid |
| Voltage | 6 V |
| Capacity | 6.3 Ah |
| Cold cranking amps (EN) | 50 A |
| Length | 99 mm |
| Width | 57 mm |
| Height | 111 mm |
| Weight | 1.26 kg |
| Polarity | Positive terminal on the right |

## Quick description

The Fulbat 6N6-3B-1 is a motorcycle battery with 6 V, 6.3 Ah and 50 A cold cranking current, measuring 99 × 57 × 111 mm, with the positive terminal on the right.

## Description

## Who the Fulbat 6N6-3B-1 is for

The Fulbat 6N6-3B-1 is made for motorcycles, scooters and quads. It is worth keeping the 6N6-3B-1 on a maintenance charger if the bike is laid up over winter.
At 6.3 Ah it covers mid-capacity motorcycles, large scooters and light quads. The 6N6-3B-1 belongs to the Fulbat FULBAT Motorcycle DRY range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat 6N6-3B-1

Same dimensions and polarity as the 6N6-3B-1, with similar capacity and cranking power; as a conventional battery, the 6N6-3B-1 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) |
|---|---|---|---|---|
| Fulbat 6N6-3B | Lead-acid | 6.3 Ah | 50 A | 99 × 57 × 111 |
| Motobatt MBT6N6 | AGM | 6 Ah | – | 97 × 56 × 111 |

## Fulbat 6N6-3B-1 vs 6N4-2A-4 and 6N4-2A: differences

Torn between the 6N6-3B-1 and another similar Fulbat? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat 6N6-3B-1 (this one) | 6.3 Ah | 50 A | 99 × 57 × 111 | right | 1.26 kg |
| Fulbat 6N4-2A-4 | 4.2 Ah | 25 A | 71 × 71 × 96 | right | 0.92 kg |
| Fulbat 6N4-2A | 4.2 Ah | 25 A | 71 × 71 × 96 | right | 0.92 kg |

- Fulbat 6N4-2A-4: 2.10 Ah less, 25 A less cranking power, a different case (71 × 71 × 96 mm).
- Fulbat 6N4-2A: 2.10 Ah less, 25 A less cranking power, a different case (71 × 71 × 96 mm).

## Before ordering the 6N6-3B-1, check this

- Check the EN amps on your battery: if it says 50 A or less, the 6N6-3B-1 covers your engine.
- With 6.3 Ah, the 6N6-3B-1 replaces an original battery of that capacity or slightly less.
- The 6N6-3B-1 has the positive terminal on the right: compare it with your current battery.
- Measure the space: the 6N6-3B-1 takes up 99 × 57 × 111 mm.

## Frequently asked questions about the Fulbat 6N6-3B-1

### Fulbat 6N6-3B-1 or 6N4-2A-4?

Compared with the 6N6-3B-1, the Fulbat 6N4-2A-4 has 2.10 Ah less and 25 A less cranking power. The 6N6-3B-1 cranks harder; the 6N4-2A-4 is only a good option if your original battery says 25 A or less. Mind the space: the 6N4-2A-4 measures 71 × 71 × 96 mm.

### How much does the Fulbat 6N6-3B-1 weigh?

The 6N6-3B-1 weighs 1.26 kg. For reference, the Fulbat 6N4-2A-4 (4.2 Ah) weighs 0.92 kg.

### Which battery is equivalent to the Fulbat 6N6-3B-1?

With the same dimensions, polarity and similar capacity you have the Fulbat 6N6-3B and Motobatt MBT6N6. As the 6N6-3B-1 is a conventional battery, an EFB or AGM of the same size also works.

### Which side is the positive terminal on the Fulbat 6N6-3B-1?

The 6N6-3B-1 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

## Lead-acid technology in the 6N6-3B-1

Inside, the 6N6-3B-1 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.

## Other options if you are unsure about the 6N6-3B-1

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Fulbat range](https://bateriasonline.es/en/fulbat-batteries)
- [Exide 6N6-3B-1](https://bateriasonline.es/en/exide-6n6-3b-1) · 6 Ah, 40 A, 100×55×110 mm
- [Fulbat B49-6](https://bateriasonline.es/en/fulbat-b49-6) · 8.4 Ah, 80 A, 91×83×160 mm
- [Varta 6N6-3B-1](https://bateriasonline.es/en/varta-6n6-3b-1-006012003) · 6 Ah, 30 A, 100×57×110 mm

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