# Motobatt MB7U · Motorcycle battery 12V 6.5Ah 100A

![Motobatt MB7U · Motorcycle battery 12V 6.5Ah 100A](https://bateriasonline.es/3164-home_default/motobatt-mb7u.jpg)

> Motobatt MB7U: 6.5 Ah motorcycle battery, 100 A (EN), 151×65×94 mm, AGM. Equivalent to Varta YT7B-BS.

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

- **Canonical URL**: https://bateriasonline.es/en/motobatt-mb7u
- **Language**: en
- **Brand**: Motobatt
- **Reference**: BOL-MOTOBATT-MB7U
- **MPN**: MB7U
- **Price**: 108,10 € (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 | 6.5 Ah |
| Cold cranking amps (EN) | 100 A |
| Length | 151 mm |
| Width | 65 mm |
| Height | 94 mm |
| Weight | 2.4 kg |
| JIS code | YT7 BBS YT7B4 |

## Quick description

The Motobatt MB7U is a motorcycle battery (AGM) with 12 V, 6.5 Ah and 100 A cold cranking current, measuring 151 × 65 × 94 mm.

## Description

## The Motobatt MB7U at a glance

The Motobatt MB7U is made for motorcycles, scooters and quads. It is worth keeping the MB7U on a maintenance charger if the bike is laid up over winter.
At 6.5 Ah it covers mid-capacity motorcycles, large scooters and light quads. The MB7U belongs to the Motobatt MOTOBATT QUADFLEX range. [See all Motobatt batteries](https://bateriasonline.es/en/motobatt-batteries)

## Motobatt MB7U codes and part numbers

This is how the Motobatt MB7U appears on the label and in parts catalogues:

| Commercial reference | MB7U |
|---|---|
| Not to be confused with | Motobatt MB3U (3.8 Ah, 50 A), Motobatt MB5U (7 Ah, 90 A), Motobatt MB9U (11 Ah, 140 A) |

## Equivalents and alternatives to the Motobatt MB7U

As the MB7U 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) |
|---|---|---|---|---|
| Varta YT7B-BS | AGM | 7 Ah | 120 A | 150 × 66 × 94 |

## Motobatt MB7U vs MBTX7ABS and MBTZ10S: differences

How the MB7U compares with Motobatt batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Motobatt MB7U (this one) | 6.5 Ah | 100 A | 151 × 65 × 94 | 2.4 kg |
| Motobatt MBTX7ABS | 8 Ah | 105 A | 151 × 87 × 95 | 2.44 kg |
| Motobatt MBTZ10S | 8.6 Ah | 190 A | 151 × 87 × 95 | 2.9 kg |

- Motobatt MBTX7ABS: 1.5 Ah more, 5 A more cranking power, a different case (151 × 87 × 95 mm).
- Motobatt MBTZ10S: 2.10 Ah more, 90 A more cranking power, a different case (151 × 87 × 95 mm).

## What to look at before buying the MB7U

- Length, width and height of the MB7U: 151 × 65 × 94 mm.
- Capacity of the MB7U: 6.5 Ah; the same as your current battery or slightly more is fine.
- Check the EN amps on your battery: if it says 100 A or less, the MB7U covers your engine.

## Frequently asked questions about the Motobatt MB7U

### Motobatt MB7U or MBTX7ABS?

Compared with the MB7U, the Motobatt MBTX7ABS has 1.5 Ah more and 5 A more cranking power. If your current battery says 105 A or more, choose the MBTX7ABS; if it says 100 A or less, the MB7U is enough. Mind the space: the MBTX7ABS measures 151 × 87 × 95 mm.

### How much does the Motobatt MB7U weigh?

The MB7U weighs 2.4 kg. For reference, the Motobatt MBTX7ABS (8 Ah) weighs 2.44 kg.

### Which battery is equivalent to the Motobatt MB7U?

Only other AGM batteries with its dimensions and polarity: Varta YT7B-BS. Neither an EFB nor a conventional battery replaces the MB7U.

### Does the Motobatt MB7U come charged and ready to fit?

Sealed AGM and gel batteries leave the factory charged and ready. Conventional ones with a separate acid pack are activated when filled and should be charged before fitting.

## What it means that the MB7U is AGM

Inside, the MB7U has glass fibre separators (AGM) that hold the electrolyte. The MB7U needs a charger with an AGM mode that does not exceed 14.7 V.

## More batteries to compare with the MB7U

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Motobatt range](https://bateriasonline.es/en/motobatt-batteries)
- [Varta YT7B-BS](https://bateriasonline.es/en/varta-yt7b-bs-507901012) · 7 Ah, 120 A, 150×66×94 mm

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