# Motobatt MBU1-35 · Motorcycle battery 12V 35Ah 420A

![Motobatt MBU1-35 · Motorcycle battery 12V 35Ah 420A](https://bateriasonline.es/3334-home_default/motobatt-mbu1-35.jpg)

> Motobatt MBU1-35: 35 Ah motorcycle battery, 420 A (EN), 195×130×156 mm, AGM. Equivalent to Motobatt MBU1R-35.

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

- **Canonical URL**: https://bateriasonline.es/en/motobatt-mbu1-35
- **Language**: en
- **Brand**: Motobatt
- **Reference**: BOL-MOTOBATT-MBU1-35
- **MPN**: MBU1-35
- **Price**: 362,31 € (VAT incl., Spain)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Motobatt |
| Range | MOTOBATT QUADFLEX |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 35 Ah (C10) |
| Cold cranking amps (EN) | 420 A |
| Length | 195 mm |
| Width | 130 mm |
| Height | 156 mm |
| Weight | 10.5 kg |

## Quick description

Motobatt MBU1-35: motorcycle battery (AGM) with 12 V, 35 Ah and 420 A cold cranking current, measuring 195 × 130 × 156 mm.

## Description

## Who the Motobatt MBU1-35 is for

The Motobatt MBU1-35 is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. It handles frame vibration and idle periods better than an adapted car battery.
At 35 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The MBU1-35 belongs to the Motobatt MOTOBATT QUADFLEX range. [More Motobatt batteries](https://bateriasonline.es/en/motobatt-batteries)

## Equivalents and alternatives to the Motobatt MBU1-35

As the MBU1-35 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Motobatt MBU1R-35 | AGM | 35 Ah | 420 A | 195 × 130 × 156 |

## Motobatt MBU1-35 vs MBHD12H and MBTX30U: differences

What sets the MBU1-35 apart from its neighbours in the Motobatt range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Motobatt MBU1-35 (this one) | 35 Ah | 420 A | 195 × 130 × 156 | 10.5 kg |
| Motobatt MBHD12H | 33 Ah | 390 A | 200 × 130 × 163 | 10.8 kg |
| Motobatt MBTX30U | 32 Ah | 385 A | 166 × 126 × 175 | 10.2 kg |

- Motobatt MBHD12H: 2 Ah less, 30 A less cranking power, a different case (200 × 130 × 163 mm).
- Motobatt MBTX30U: 3 Ah less, 35 A less cranking power, a different case (166 × 126 × 175 mm).

## Before ordering the MBU1-35, check this

- Cold cranking: 420 A (EN), equal to or higher than the original.
- Your current battery should say about 35 Ah; a little more is also fine.
- The MBU1-35 needs 195 × 130 × 156 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Motobatt MBU1-35

### Motobatt MBU1-35 or MBHD12H?

Compared with the MBU1-35, the Motobatt MBHD12H has 2 Ah less and 30 A less cranking power. The MBU1-35 cranks harder; the MBHD12H is only a good option if your original battery says 390 A or less. Mind the space: the MBHD12H measures 200 × 130 × 163 mm.

### How much does the Motobatt MBU1-35 weigh?

The MBU1-35 weighs 10.5 kg. For reference, the Motobatt MBHD12H (33 Ah) weighs 10.8 kg.

### Which battery is equivalent to the Motobatt MBU1-35?

Only other AGM batteries with its dimensions and polarity: Motobatt MBU1R-35. Neither an EFB nor a conventional battery replaces the MBU1-35.

### How do I stop the motorcycle battery going flat in winter?

Connect it to a maintenance charger or disconnect it if the bike will sit for more than a month. A flat motorcycle battery sulphates in a few weeks.

## Inside the MBU1-35: AGM technology

The MBU1-35 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.

## Other options if you are unsure about the MBU1-35

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Motobatt models](https://bateriasonline.es/en/motobatt-batteries)
- [Motobatt MBU1R-35](https://bateriasonline.es/en/motobatt-mbu1r-35) · 35 Ah, 420 A, 195×130×156 mm

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