# Motobatt MBTX24U · Motorcycle battery 12V 25Ah 300A

![Motobatt MBTX24U · Motorcycle battery 12V 25Ah 300A](https://bateriasonline.es/3269-home_default/motobatt-mbtx24u.jpg)

> Motobatt MBTX24U: 25 Ah motorcycle battery, 300 A (EN), 205×87×162 mm, AGM. Equivalent to Fulbat FTX24HL-BS.

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

- **Canonical URL**: https://bateriasonline.es/en/motobatt-mbtx24u
- **Language**: en
- **Brand**: Motobatt
- **Reference**: BOL-MOTOBATT-MBTX24U
- **MPN**: MBTX24U
- **Price**: 207,08 € (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 | 25 Ah |
| Cold cranking amps (EN) | 300 A |
| Length | 205 mm |
| Width | 87 mm |
| Height | 162 mm |
| Weight | 7.45 kg |
| JIS code | Y50N18 LA Y50N18 AA YTX24 HLBS |

## Quick description

Motobatt MBTX24U: motorcycle battery (AGM) with 12 V, 25 Ah and 300 A cold cranking current, measuring 205 × 87 × 162 mm.

## Description

## The Motobatt MBTX24U at a glance

The Motobatt MBTX24U is made for motorcycles, scooters and quads. It handles frame vibration and idle periods better than an adapted car battery.
At 25 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The MBTX24U belongs to the Motobatt MOTOBATT QUADFLEX range. [More Motobatt batteries](https://bateriasonline.es/en/motobatt-batteries)

## Part numbers and codes for the Motobatt MBTX24U

Shops, garages and catalogues identify the MBTX24U with these codes:

| Commercial reference | MBTX24U |
|---|---|
| Not to be confused with | Motobatt MBTX20U (21 Ah, 310 A), Motobatt MBTX4U (4.7 Ah, 70 A) |

## Equivalents and alternatives to the Motobatt MBTX24U

Other AGM batteries that fit the MBTX24U's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Fulbat FTX24HL-BS | AGM | 22.1 Ah | 350 A | 205 × 87 × 162 |

## Motobatt MBTX24U vs MB16AU and MB18U: which one to choose?

What sets the MBTX24U apart from its neighbours in the Motobatt range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Motobatt MBTX24U (this one) | 25 Ah | 300 A | 205 × 87 × 162 | 7.45 kg |
| Motobatt MB16AU | 20.5 Ah | 230 A | 207 × 72 × 164 | 6.25 kg |
| Motobatt MB18U | 22.5 Ah | 280 A | 180 × 90 × 162 | 6.8 kg |

- Motobatt MB16AU: 4.5 Ah less, 70 A less cranking power, a different case (207 × 72 × 164 mm).
- Motobatt MB18U: 2.5 Ah less, 20 A less cranking power, a different case (180 × 90 × 162 mm).

## Before ordering the MBTX24U, check this

- Measure the space: the MBTX24U takes up 205 × 87 × 162 mm.
- With 25 Ah, the MBTX24U replaces an original battery of that capacity or slightly less.
- The MBTX24U delivers 300 A cold cranking (EN standard); do not go below what your original battery states.

## Frequently asked questions about the Motobatt MBTX24U

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

Compared with the MBTX24U, the Motobatt MB16AU has 4.5 Ah less and 70 A less cranking power. The MBTX24U cranks harder; the MB16AU is only a good option if your original battery says 230 A or less. Mind the space: the MB16AU measures 207 × 72 × 164 mm.

### How much does the Motobatt MBTX24U weigh?

7.45 kg, with 25 Ah of capacity. For reference, the Motobatt MB16AU (20.5 Ah) weighs 6.25 kg.

### Which battery is equivalent to the Motobatt MBTX24U?

Only other AGM batteries with its dimensions and polarity: Fulbat FTX24HL-BS. Neither an EFB nor a conventional battery replaces the MBTX24U.

### Which charger does the Motobatt MBTX24U 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 MBTX24U

Inside, the MBTX24U has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## More batteries to compare with the MBTX24U

- [Other motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Motobatt range](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 · 2026-11-10*