# Motobatt MBTX14AU · Motorcycle battery 12V 16.5Ah 210A

![Motobatt MBTX14AU · Motorcycle battery 12V 16.5Ah 210A](https://bateriasonline.es/3244-home_default/motobatt-mbtx14au.jpg)

> Motobatt MBTX14AU: 16.5 Ah motorcycle battery, 210 A (EN), 135×90×168 mm, AGM. Compare sizes and equivalents; 14-day returns.

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

- **Canonical URL**: https://bateriasonline.es/en/motobatt-mbtx14au
- **Language**: en
- **Brand**: Motobatt
- **Reference**: BOL-MOTOBATT-MBTX14AU
- **MPN**: MBTX14AU
- **Price**: 174,93 € (VAT incl., Spain)
- **Last updated**: 2026-11-09

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Motobatt |
| Range | MOTOBATT QUADFLEX |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 16.5 Ah |
| Cold cranking amps (EN) | 210 A |
| Length | 135 mm |
| Width | 90 mm |
| Height | 168 mm |
| Weight | 5.4 kg |
| JIS code | YTX14 AHBS YTX14 AHLBS YB14LA2 YB14LB2 YB14B2 YB14AA2 |

## Quick description

The Motobatt MBTX14AU is a motorcycle battery (AGM) with 12 V, 16.5 Ah and 210 A cold cranking current, measuring 135 × 90 × 168 mm.

## Description

## Where the Motobatt MBTX14AU fits

The Motobatt MBTX14AU is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. With 16.5 Ah, the MBTX14AU suits motorcycles and scooters that had a battery of that capacity.
At 16.5 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. The MBTX14AU belongs to the Motobatt MOTOBATT QUADFLEX range. [More Motobatt batteries](https://bateriasonline.es/en/motobatt-batteries)

## Equivalents and alternatives to the Motobatt MBTX14AU

No other reference in the catalogue fully matches the dimensions and polarity of the MBTX14AU; you will find the closest ones among our [motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries).

## Motobatt MBTX14AU vs MB12U and MB10U

How the MBTX14AU compares with Motobatt batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Motobatt MBTX14AU (this one) | 16.5 Ah | 210 A | 135 × 90 × 168 | 5.4 kg |
| Motobatt MB12U | 15 Ah | 160 A | 135 × 80 × 161 | 4.4 kg |
| Motobatt MB10U | 14.5 Ah | 175 A | 135 × 90 × 146 | 4.3 kg |

- Motobatt MB12U: 1.5 Ah less, 50 A less cranking power, a different case (135 × 80 × 161 mm).
- Motobatt MB10U: 2 Ah less, 35 A less cranking power, a different case (135 × 90 × 146 mm).

## What to look at before buying the MBTX14AU

- The MBTX14AU delivers 210 A cold cranking (EN standard); do not go below what your original battery states.
- Your current battery should say about 16.5 Ah; a little more is also fine.
- Measure the space: the MBTX14AU takes up 135 × 90 × 168 mm.

## Frequently asked questions about the Motobatt MBTX14AU

### Motobatt MBTX14AU or MB12U?

Compared with the MBTX14AU, the Motobatt MB12U has 1.5 Ah less and 50 A less cranking power. The MBTX14AU cranks harder; the MB12U is only a good option if your original battery says 160 A or less. Mind the space: the MB12U measures 135 × 80 × 161 mm.

### How much does the Motobatt MBTX14AU weigh?

The MBTX14AU weighs 5.4 kg. For reference, the Motobatt MB12U (15 Ah) weighs 4.4 kg.

### What are the dimensions and weight of the Motobatt MBTX14AU?

It measures 135 × 90 × 168 mm and weighs 5.4 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## Inside the MBTX14AU: AGM technology

The MBTX14AU is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Keep comparing: alternatives to the MBTX14AU

- [Other motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [Full Motobatt catalogue](https://bateriasonline.es/en/motobatt-batteries)

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