# Fulbat FIX30L-BS · Motorcycle battery 12V 31.6Ah 400A

![Fulbat FIX30L-BS · Motorcycle battery 12V 31.6Ah 400A](https://bateriasonline.es/316-home_default/fulbat-fix30l-bs.jpg)

> Fulbat FIX30L-BS: 31.6 Ah motorcycle battery, 400 A (EN), 165×125×175 mm, positive terminal on the right, AGM. Equivalent to Varta TX30L (FA).

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

- **Canonical URL**: https://bateriasonline.es/en/fulbat-fix30l-bs
- **Language**: en
- **Brand**: Fulbat
- **Reference**: BOL-FULBAT-FIX30L-BS
- **MPN**: FIX30L-BS
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fulbat |
| Range | FULBAT Motorcycle MF |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 31.6 Ah |
| Cold cranking amps (EN) | 400 A |
| Length | 165 mm |
| Width | 125 mm |
| Height | 175 mm |
| Weight | 9.91 kg |
| Polarity | Positive terminal on the right |

## Quick description

Fulbat FIX30L-BS: motorcycle battery (AGM) with 12 V, 31.6 Ah and 400 A cold cranking current, measuring 165 × 125 × 175 mm, with the positive terminal on the right.

## Description

## Who the Fulbat FIX30L-BS is for

The Fulbat FIX30L-BS is made for motorcycles, scooters and quads. It handles frame vibration and idle periods better than an adapted car battery.
At 31.6 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The FIX30L-BS belongs to the Fulbat FULBAT Motorcycle MF range. [The full range of Fulbat batteries](https://bateriasonline.es/en/fulbat-batteries)

## Equivalents and alternatives to the Fulbat FIX30L-BS

Other AGM batteries that fit the FIX30L-BS's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Motobatt MBTX30U | AGM | 32 Ah | 385 A | 166 × 126 × 175 |
| Motobatt MBTX30UHD | AGM | 32 Ah | 385 A | 166 × 126 × 175 |
| Varta TX30L (FA) | AGM | 30 Ah | 385 A | 166 × 126 × 173 |
| Varta YTX30L-BS | AGM | 30 Ah | 450 A | 166 × 127 × 175 |

## Fulbat FIX30L-BS vs FTX24HL-BS

The real differences between the FIX30L-BS and the closest Fulbat models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat FIX30L-BS (this one) | 31.6 Ah | 400 A | 165 × 125 × 175 | right | 9.91 kg |
| Fulbat FTX24HL-BS | 22.1 Ah | 350 A | 205 × 87 × 162 | right | 7.34 kg |

- Fulbat FTX24HL-BS: 9.5 Ah less, 50 A less cranking power, a different case (205 × 87 × 162 mm).

## What to look at before buying the FIX30L-BS

- Length, width and height of the FIX30L-BS: 165 × 125 × 175 mm.
- Polarity of the FIX30L-BS: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Capacity of the FIX30L-BS: 31.6 Ah; the same as your current battery or slightly more is fine.
- Check the EN amps on your battery: if it says 400 A or less, the FIX30L-BS covers your engine.

## Frequently asked questions about the Fulbat FIX30L-BS

### FIX30L-BS or FTX24HL-BS: which one suits me?

Compared with the FIX30L-BS, the Fulbat FTX24HL-BS has 9.5 Ah less and 50 A less cranking power. The FIX30L-BS cranks harder; the FTX24HL-BS is only a good option if your original battery says 350 A or less. Mind the space: the FTX24HL-BS measures 205 × 87 × 162 mm.

### How much does the Fulbat FIX30L-BS weigh?

9.91 kg, with 31.6 Ah of capacity. For reference, the Fulbat FTX24HL-BS (22.1 Ah) weighs 7.34 kg.

### Which battery is equivalent to the Fulbat FIX30L-BS?

Only other AGM batteries with its dimensions and polarity: Motobatt MBTX30U, Motobatt MBTX30UHD and Varta TX30L (FA). Neither an EFB nor a conventional battery replaces the FIX30L-BS.

### Which side is the positive terminal on the Fulbat FIX30L-BS?

On the FIX30L-BS, the positive terminal is on the right 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 FIX30L-BS need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## AGM technology in the FIX30L-BS

Inside, the FIX30L-BS has glass fibre separators (AGM) that hold the electrolyte. The FIX30L-BS needs a charger with an AGM mode that does not exceed 14.7 V.

## Keep comparing: alternatives to the FIX30L-BS

- [More motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Fulbat models](https://bateriasonline.es/en/fulbat-batteries)
- [Motobatt MBTX30U](https://bateriasonline.es/en/motobatt-mbtx30u) · 32 Ah, 385 A, 166×126×175 mm
- [Motobatt MBTX30UHD](https://bateriasonline.es/en/motobatt-mbtx30uhd) · 32 Ah, 385 A, 166×126×175 mm

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