# Motobatt MB16AU · Motorcycle battery 12V 20.5Ah 230A

![Motobatt MB16AU · Motorcycle battery 12V 20.5Ah 230A](https://bateriasonline.es/3116-home_default/motobatt-mb16au.jpg)

> Motobatt MB16AU: 20.5 Ah motorcycle battery, 230 A (EN), 207×72×164 mm, AGM. VAT included, shipping cost shown before you pay, 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-mb16au
- **Language**: en
- **Brand**: Motobatt
- **Reference**: BOL-MOTOBATT-MB16AU
- **MPN**: MB16AU
- **Price**: 182,48 € (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 | 20.5 Ah |
| Cold cranking amps (EN) | 230 A |
| Length | 207 mm |
| Width | 72 mm |
| Height | 164 mm |
| Weight | 6.25 kg |
| JIS code | YB16ALA2 |

## Quick description

Motobatt MB16AU: motorcycle battery (AGM) with 12 V, 20.5 Ah and 230 A cold cranking current, measuring 207 × 72 × 164 mm.

## Description

## Where the Motobatt MB16AU fits

The Motobatt MB16AU is made for motorcycles, scooters and quads. With 20.5 Ah, the MB16AU suits motorcycles and scooters that had a battery of that capacity.
At 20.5 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The MB16AU belongs to the Motobatt MOTOBATT QUADFLEX range. [The full range of Motobatt batteries](https://bateriasonline.es/en/motobatt-batteries)

## Part numbers and codes for the Motobatt MB16AU

This is how the Motobatt MB16AU appears on the label and in parts catalogues:

| Commercial reference | MB16AU |
|---|---|
| Not to be confused with | Motobatt MB16A (19 Ah, 200 A), Motobatt MB16U (20 Ah, 240 A) |

## Equivalents and alternatives to the Motobatt MB16AU

We have no other battery with exactly the dimensions and polarity of the MB16AU. Browse the rest of our [motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries) to compare close options.

## Motobatt MB16AU vs MBTX24U and MB51814: which one to choose?

What sets the MB16AU apart from its neighbours in the Motobatt range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Motobatt MB16AU (this one) | 20.5 Ah | 230 A | 207 × 72 × 164 | 6.25 kg |
| Motobatt MBTX24U | 25 Ah | 300 A | 205 × 87 × 162 | 7.45 kg |
| Motobatt MB51814 | 22 Ah | 220 A | 186 × 82 × 171 | 6.75 kg |

- Motobatt MBTX24U: 4.5 Ah more, 70 A more cranking power, a different case (205 × 87 × 162 mm).
- Motobatt MB51814: 1.5 Ah more, 10 A less cranking power, a different case (186 × 82 × 171 mm).

## What to look at before buying the MB16AU

- The MB16AU needs 207 × 72 × 164 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 20.5 Ah; a little more is also fine.
- Cold cranking: 230 A (EN), equal to or higher than the original.

## Frequently asked questions about the Motobatt MB16AU

### MB16AU or MBTX24U: which one suits me?

Compared with the MB16AU, the Motobatt MBTX24U has 4.5 Ah more and 70 A more cranking power. If your current battery says 300 A or more, choose the MBTX24U; if it says 230 A or less, the MB16AU is enough. Mind the space: the MBTX24U measures 205 × 87 × 162 mm.

### How much does the Motobatt MB16AU weigh?

6.25 kg, with 20.5 Ah of capacity. For reference, the Motobatt MBTX24U (25 Ah) weighs 7.45 kg.

### What are the dimensions and weight of the Motobatt MB16AU?

It measures 207 × 72 × 164 mm and weighs 6.25 kg. Compare these figures with the tray and the hold-down clamp before ordering.

## What it means that the MB16AU is AGM

Inside, the MB16AU has glass fibre separators (AGM) that hold the electrolyte. The MB16AU needs a charger with an AGM mode that does not exceed 14.7 V.

## Other options if you are unsure about the MB16AU

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [Full Motobatt catalogue](https://bateriasonline.es/en/motobatt-batteries)
- [Varta YTX24HL-BS](https://bateriasonline.es/en/varta-ytx24hl-bs-521908034) · 21 Ah, 340 A, 205×90×164 mm

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