# Fulbat FB16B-A1 · Motorcycle battery 12V 16.8Ah 210A

![Fulbat FB16B-A1 · Motorcycle battery 12V 16.8Ah 210A](https://bateriasonline.es/500-home_default/fulbat-fb16b-a1.jpg)

> Fulbat FB16B-A1: 16.8 Ah motorcycle battery, 210 A (EN), 160×90×161 mm, positive terminal on the left. Equivalent to Varta YB16B-A1.

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fb16b-a1
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FB16B-A1
- **MPN**: FB16B-A1
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Motorcycle DRY |
| Application | Motorcycles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 16.8 Ah |
| Cold cranking amps (EN) | 210 A |
| Length | 160 mm |
| Width | 90 mm |
| Height | 161 mm |
| Weight | 5.31 kg |
| Polarity | Positive terminal on the left |

## Quick description

The Fulbat FB16B-A1 is a motorcycle battery with 12 V, 16.8 Ah and 210 A cold cranking current, measuring 160 × 90 × 161 mm, with the positive terminal on the left.

## Description

## The Fulbat FB16B-A1 at a glance

The Fulbat FB16B-A1 is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. With 16.8 Ah, the FB16B-A1 suits motorcycles and scooters that had a battery of that capacity.
At 16.8 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. The FB16B-A1 belongs to the Fulbat FULBAT Motorcycle DRY range. [The full range of Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FB16B-A1

Batteries that fit the FB16B-A1's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the FB16B-A1.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Varta YB16B-A1 | Lead-acid | 16 Ah | 200 A | 158 × 89 × 162 |

## Fulbat FB16B-A1 vs FTX20A-BS and FTX16-BS: which one to choose?

How the FB16B-A1 compares with Fulbat batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FB16B-A1 (this one) | 16.8 Ah | 210 A | 160 × 90 × 161 | left | 5.31 kg |
| Fulbat FTX20A-BS | 18.9 Ah | 270 A | 150 × 87 × 161 | left | 5.53 kg |
| Fulbat FTX16-BS | 14.7 Ah | 230 A | 150 × 87 × 161 | left | 5.17 kg |

- Fulbat FTX20A-BS: 2.10 Ah more, 60 A more cranking power, a different case (150 × 87 × 161 mm), AGM technology.
- Fulbat FTX16-BS: 2.10 Ah less, 20 A more cranking power, a different case (150 × 87 × 161 mm), AGM technology.

## Check this before ordering the Fulbat FB16B-A1

- Check the EN amps on your battery: if it says 210 A or less, the FB16B-A1 covers your engine.
- With 16.8 Ah, the FB16B-A1 replaces an original battery of that capacity or slightly less.
- The FB16B-A1 has the positive terminal on the left: compare it with your current battery.
- Length, width and height of the FB16B-A1: 160 × 90 × 161 mm.

## Frequently asked questions about the Fulbat FB16B-A1

### FB16B-A1 or FTX20A-BS: which one suits me?

Compared with the FB16B-A1, the Fulbat FTX20A-BS has 2.10 Ah more, 60 A more cranking power and AGM technology. If your current battery says 270 A or more, choose the FTX20A-BS; if it says 210 A or less, the FB16B-A1 is enough. Mind the space: the FTX20A-BS measures 150 × 87 × 161 mm.

### How much does the Fulbat FB16B-A1 weigh?

5.31 kg, with 16.8 Ah of capacity. For reference, the Fulbat FTX20A-BS (18.9 Ah) weighs 5.53 kg.

### Which battery is equivalent to the Fulbat FB16B-A1?

With the same dimensions, polarity and similar capacity you have the Varta YB16B-A1. As the FB16B-A1 is a conventional battery, an EFB or AGM of the same size also works.

### Which side is the positive terminal on the Fulbat FB16B-A1?

On the FB16B-A1, 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.

### Which charger does the Fulbat FB16B-A1 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 FB16B-A1: lead-acid technology

The FB16B-A1 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the FB16B-A1 needs no special registration: just connect it.

## Keep comparing: alternatives to the FB16B-A1

- [Other motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Varta YB16B-A1](https://bateriasonline.es/en/varta-yb16b-a1-516015020) · 16 Ah, 200 A, 158×89×162 mm

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