# Fulbat FB16CL-B · Motorcycle battery 12V 20Ah 240A

![Fulbat FB16CL-B · Motorcycle battery 12V 20Ah 240A](https://bateriasonline.es/461-home_default/fulbat-fb16cl-b.jpg)

> Fulbat FB16CL-B: 20 Ah motorcycle battery, 240 A (EN), 175×100×175 mm, positive terminal on the right. Equivalent to Varta YB16CL-B.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fb16cl-b
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FB16CL-B
- **MPN**: FB16CL-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 | 20 Ah |
| Cold cranking amps (EN) | 240 A |
| Length | 175 mm |
| Width | 100 mm |
| Height | 175 mm |
| Weight | 6.04 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat FB16CL-B: motorcycle battery with 12 V, 20 Ah and 240 A cold cranking current, measuring 175 × 100 × 175 mm, with the positive terminal on the right.

## Description

## Who the Fulbat FB16CL-B is for

The Fulbat FB16CL-B is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. With 20 Ah, the FB16CL-B suits motorcycles and scooters that had a battery of that capacity.
At 20 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. The FB16CL-B belongs to the Fulbat FULBAT Motorcycle DRY range. [More Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FB16CL-B

Same dimensions and polarity as the FB16CL-B, with similar capacity and cranking power; as a conventional battery, the FB16CL-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 YB16CL-B | Lead-acid | 19 Ah | 240 A | 176 × 101 × 176 |

## Fulbat FB16CL-B vs 51913 and 51814: which one to choose?

What sets the FB16CL-B apart from its neighbours in the Fulbat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FB16CL-B (this one) | 20 Ah | 240 A | 175 × 100 × 175 | right | 6.04 kg |
| Fulbat 51913 | 19 Ah | 210 A | 186 × 82 × 171 | right | 6.08 kg |
| Fulbat 51814 | 18 Ah | 210 A | 186 × 82 × 171 | right | 6.08 kg |

- Fulbat 51913: 1 Ah less, 30 A less cranking power, a different case (186 × 82 × 171 mm).
- Fulbat 51814: 2 Ah less, 30 A less cranking power, a different case (186 × 82 × 171 mm).

## Before ordering the FB16CL-B, check this

- The FB16CL-B needs 175 × 100 × 175 mm of space: measure it with the hold-down clamp in place.
- Polarity of the FB16CL-B: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Your current battery should say about 20 Ah; a little more is also fine.
- The FB16CL-B delivers 240 A cold cranking (EN standard); do not go below what your original battery states.

## Frequently asked questions about the Fulbat FB16CL-B

### Fulbat FB16CL-B or 51913?

Compared with the FB16CL-B, the Fulbat 51913 has 1 Ah less and 30 A less cranking power. The FB16CL-B cranks harder; the 51913 is only a good option if your original battery says 210 A or less. Mind the space: the 51913 measures 186 × 82 × 171 mm.

### How much does the Fulbat FB16CL-B weigh?

The FB16CL-B weighs 6.04 kg. For reference, the Fulbat 51913 (19 Ah) weighs 6.08 kg.

### Which battery is equivalent to the Fulbat FB16CL-B?

With the same dimensions, polarity and similar capacity you have the Varta YB16CL-B. As the FB16CL-B is a conventional battery, an EFB or AGM of the same size also works.

### Which side is the positive terminal on the Fulbat FB16CL-B?

The FB16CL-B has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Fulbat FB16CL-B need?

An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.

## Inside the FB16CL-B: lead-acid technology

The FB16CL-B is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

## Other options if you are unsure about the FB16CL-B

- [Other motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [Full Fulbat catalogue](https://bateriasonline.es/en/fulbat-batteries)
- [Exide EB16CL-B](https://bateriasonline.es/en/exide-eb16cl-b) · 19 Ah, 190 A, 175×100×175 mm

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