# Fulbat FTX20-BS GEL · Motorcycle battery 12V 18.9Ah 270A

![Fulbat FTX20-BS GEL · Motorcycle battery 12V 18.9Ah 270A](https://bateriasonline.es/785-home_default/fulbat-ftx20-bs-gel.jpg)

> Fulbat FTX20-BS GEL: 18.9 Ah motorcycle battery, 270 A (EN), 175×87×155 mm, positive terminal on the left, GEL.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-ftx20-bs-gel
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FTX20-BS GEL
- **MPN**: FTX20-BS GEL
- **Price**: 109,16 € (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 | 18.9 Ah |
| Cold cranking amps (EN) | 270 A |
| Length | 175 mm |
| Width | 87 mm |
| Height | 155 mm |
| Weight | 5.6 kg |
| Polarity | Positive terminal on the left |

## Quick description

The Fulbat FTX20-BS GEL is a motorcycle battery with 12 V, 18.9 Ah and 270 A cold cranking current, measuring 175 × 87 × 155 mm, with the positive terminal on the left.

## Description

## Where the Fulbat FTX20-BS GEL fits

The Fulbat FTX20-BS GEL is made for motorcycles, scooters and quads. It is worth keeping the FTX20-BS GEL on a maintenance charger if the bike is laid up over winter.
At 18.9 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. The FTX20-BS GEL belongs to the Fulbat FULBAT Motorcycle GEL range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Part numbers and codes for the Fulbat FTX20-BS GEL

Shops, garages and catalogues identify the FTX20-BS GEL with these codes:

| Commercial reference | FTX20-BS GEL |
|---|---|
| Not to be confused with | Fulbat FTX20A-BS GEL (18.9 Ah, 270 A) |

## Equivalents and alternatives to the Fulbat FTX20-BS GEL

We have no other battery with exactly the dimensions and polarity of the FTX20-BS GEL. Browse the rest of our [motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries) to compare close options.

## Fulbat FTX20-BS GEL vs FTX16 GEL and FTX14-BS GEL: which one to choose?

Torn between the FTX20-BS GEL and another similar Fulbat? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FTX20-BS GEL (this one) | 18.9 Ah | 270 A | 175 × 87 × 155 | left | 5.6 kg |
| Fulbat FTX16 GEL | 14.7 Ah | 230 A | 150 × 87 × 161 | left | 5.05 kg |
| Fulbat FTX14-BS GEL | 12.6 Ah | 200 A | 150 × 87 × 145 | left | 4.31 kg |

- Fulbat FTX16 GEL: 4.20 Ah less, 40 A less cranking power, a different case (150 × 87 × 161 mm).
- Fulbat FTX14-BS GEL: 6.30 Ah less, 70 A less cranking power, a different case (150 × 87 × 145 mm).

## Before ordering the FTX20-BS GEL, check this

- Check the EN amps on your battery: if it says 270 A or less, the FTX20-BS GEL covers your engine.
- Capacity of the FTX20-BS GEL: 18.9 Ah; the same as your current battery or slightly more is fine.
- The FTX20-BS GEL has the positive terminal on the left: compare it with your current battery.
- The FTX20-BS GEL needs 175 × 87 × 155 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Fulbat FTX20-BS GEL

### FTX20-BS GEL or FTX16 GEL: which one suits me?

Compared with the FTX20-BS GEL, the Fulbat FTX16 GEL has 4.20 Ah less and 40 A less cranking power. The FTX20-BS GEL cranks harder; the FTX16 GEL is only a good option if your original battery says 230 A or less. Mind the space: the FTX16 GEL measures 150 × 87 × 161 mm.

### How much does the Fulbat FTX20-BS GEL weigh?

5.6 kg, with 18.9 Ah of capacity. For reference, the Fulbat FTX16 GEL (14.7 Ah) weighs 5.05 kg.

### Which side is the positive terminal on the Fulbat FTX20-BS GEL?

On the FTX20-BS GEL, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## GEL technology in the FTX20-BS GEL

Inside, the FTX20-BS GEL holds its electrolyte in gel form. It is the classic technology for wheelchairs, scooters, motorhomes and solar.

## More batteries to compare with the FTX20-BS GEL

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Fulbat FTX20HL-BS GEL](https://bateriasonline.es/en/fulbat-ftx20hl-bs-gel) · 18.9 Ah, 310 A, 175×87×155 mm

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