# Fulbat FTX6,5L-BS GEL · Motorcycle battery 12V 6.8Ah 85A

![Fulbat FTX6,5L-BS GEL · Motorcycle battery 12V 6.8Ah 85A](https://bateriasonline.es/51-home_default/fulbat-ftx6-5l-bs-gel.jpg)

> Fulbat FTX6,5L-BS GEL: 6.8 Ah motorcycle battery, 85 A (EN), 139×66×102 mm, positive terminal on the right. Equivalent to Motobatt MTX6.5L.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-ftx6-5l-bs-gel
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FTX6,5L-BS GEL
- **MPN**: FTX6,5L-BS GEL
- **Price**: 48,76 € (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 | 6.8 Ah |
| Cold cranking amps (EN) | 85 A |
| Length | 139 mm |
| Width | 66 mm |
| Height | 102 mm |
| Weight | 2.3 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat FTX6,5L-BS GEL: motorcycle battery with 12 V, 6.8 Ah and 85 A cold cranking current, measuring 139 × 66 × 102 mm, with the positive terminal on the right.

## Description

## Who the Fulbat FTX6,5L-BS GEL is for

The Fulbat FTX6,5L-BS GEL is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. It is worth keeping the FTX6,5L-BS GEL on a maintenance charger if the bike is laid up over winter.
At 6.8 Ah it covers mid-capacity motorcycles, large scooters and light quads. The FTX6,5L-BS GEL belongs to the Fulbat FULBAT Motorcycle GEL range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FTX6,5L-BS GEL

Other gel batteries with the dimensions and polarity of the FTX6,5L-BS GEL: with gel it is best to stay with gel, because the charging profile is different.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Motobatt MTX6.5L | GEL | 6.5 Ah | 85 A | 138 × 66 × 102 |

## Fulbat FTX6,5L-BS GEL vs FTZ7S GEL and FB4L-B GEL: differences

What sets the FTX6,5L-BS GEL apart from its neighbours in the Fulbat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FTX6,5L-BS GEL (this one) | 6.8 Ah | 85 A | 139 × 66 × 102 | right | 2.3 kg |
| Fulbat FTZ7S GEL | 6.3 Ah | 130 A | 113 × 70 × 105 | right | 2.27 kg |
| Fulbat FB4L-B GEL | 5.3 Ah | 50 A | 120 × 70 × 92 | right | 1.6 kg |

- Fulbat FTZ7S GEL: 0.5 Ah less, 45 A more cranking power, a different case (113 × 70 × 105 mm).
- Fulbat FB4L-B GEL: 1.5 Ah less, 35 A less cranking power, a different case (120 × 70 × 92 mm).

## What to look at before buying the FTX6,5L-BS GEL

- Measure the space: the FTX6,5L-BS GEL takes up 139 × 66 × 102 mm.
- With the terminals facing you, the positive terminal of the FTX6,5L-BS GEL is on the right.
- Capacity of the FTX6,5L-BS GEL: 6.8 Ah; the same as your current battery or slightly more is fine.
- The FTX6,5L-BS GEL delivers 85 A cold cranking (EN standard); do not go below what your original battery states.

## Frequently asked questions about the Fulbat FTX6,5L-BS GEL

### Fulbat FTX6,5L-BS GEL or FTZ7S GEL?

Compared with the FTX6,5L-BS GEL, the Fulbat FTZ7S GEL has 0.5 Ah less and 45 A more cranking power. If your current battery says 130 A or more, choose the FTZ7S GEL; if it says 85 A or less, the FTX6,5L-BS GEL is enough. Mind the space: the FTZ7S GEL measures 113 × 70 × 105 mm.

### How much does the Fulbat FTX6,5L-BS GEL weigh?

The FTX6,5L-BS GEL weighs 2.3 kg. For reference, the Fulbat FTZ7S GEL (6.3 Ah) weighs 2.27 kg.

### Which battery is equivalent to the Fulbat FTX6,5L-BS GEL?

For the FTX6,5L-BS GEL, other gel batteries with its size and polarity: Motobatt MTX6.5L.

### Which side is the positive terminal on the Fulbat FTX6,5L-BS GEL?

The FTX6,5L-BS GEL 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 FTX6,5L-BS GEL is GEL

The FTX6,5L-BS GEL is a gel battery: the electrolyte is immobilised in silica gel. The FTX6,5L-BS GEL handles repeated deep discharges well, its strong point compared with an AGM.

## Other options if you are unsure about the FTX6,5L-BS GEL

- [More motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Motobatt MTX6.5L](https://bateriasonline.es/en/motobatt-mtx6-5l) · 6.5 Ah, 85 A, 138×66×102 mm

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