# Exide ET12A-BS · Motorcycle battery 12V 10Ah 130A

![Exide ET12A-BS · Motorcycle battery 12V 10Ah 130A](https://bateriasonline.es/313-home_default/exide-et12a-bs.jpg)

> Exide ET12A-BS: 10 Ah motorcycle battery, 130 A (EN), 150×90×105 mm, positive terminal on the left, AGM. Equivalent to Exide AGM12-7.5.

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

- **Canonical URL**: https://bateriasonline.es/en/exide-et12a-bs
- **Language**: en
- **Brand**: Exide
- **Reference**: BOL-EXIDE-ET12A-BS
- **EAN**: 3661024033848
- **MPN**: ET12A-BS
- **Price**: 33,81 € (VAT incl., Spain)
- **Last updated**: 2026-11-09

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Exide |
| Range | EXIDE MOTORCYCLE AGM 12 V |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 10 Ah |
| Cold cranking amps (EN) | 130 A |
| Length | 150 mm |
| Width | 90 mm |
| Height | 105 mm |
| Weight | 3.4 kg |
| Polarity | Positive terminal on the left |
| Terminal type | M04 |
| JIS code | YT12 A-BS |

## Quick description

Exide ET12A-BS: motorcycle battery (AGM) with 12 V, 10 Ah and 130 A cold cranking current, measuring 150 × 90 × 105 mm, with the positive terminal on the left.

## Description

## The Exide ET12A-BS at a glance

The Exide ET12A-BS is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. It is worth keeping the ET12A-BS on a maintenance charger if the bike is laid up over winter.
At 10 Ah it covers mid-capacity motorcycles, large scooters and light quads. The ET12A-BS belongs to the Exide EXIDE MOTORCYCLE AGM 12V range. [The full range of Exide batteries](https://bateriasonline.es/en/exide-batteries)

## Exide ET12A-BS codes and part numbers

Look for any of these ET12A-BS codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | ET12A-BS |
|---|---|
| JIS code | YT12A-BS |
| EAN | 3661024033848 |
| Terminal type | M04 |
| Not to be confused with | Exide ET12B-BS (10 Ah, 160 A) |

## Equivalents and alternatives to the Exide ET12A-BS

As the ET12A-BS 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 T12A (FA) | AGM | 10 Ah | 145 A | 150 × 88 × 105 |
| Fulbat FTX9-BS | AGM | 8.4 Ah | 135 A | 150 × 87 × 105 |
| Varta YTX9-BS | AGM | 8 Ah | 135 A | 152 × 88 × 106 |
| Varta YTX9 (FA) | AGM | 8 Ah | 135 A | 151 × 87 × 106 |
| Exide AGM12-7.5 | AGM | 8 Ah | 120 A | 150 × 90 × 105 |
| Exide ETX9-BS | AGM | 8 Ah | 120 A | 150 × 90 × 105 |

## Exide ET12A-BS vs AGM12-7.5, ETZ10-BS and AGM12-8

What sets the ET12A-BS apart from its neighbours in the Exide range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Exide ET12A-BS (this one) | 10 Ah | 130 A | 150 × 90 × 105 | left | 3.4 kg |
| Exide AGM12-7.5 | 8 Ah | 120 A | 150 × 90 × 105 | left | 3.1 kg |
| Exide ETZ10-BS | 9 Ah | 145 A | 150 × 90 × 95 | left | 3.4 kg |
| Exide AGM12-8 | 8.6 Ah | 145 A | 150 × 90 × 95 | left | 3.4 kg |
| Exide ETX9-BS | 8 Ah | 120 A | 150 × 90 × 105 | left | 3.1 kg |

- Exide AGM12-7.5: 2 Ah less, 10 A less cranking power, the same dimensions.
- Exide ETZ10-BS: 1 Ah less, 15 A more cranking power, a different height (95 mm instead of 105 mm). It is the option if your battery tray cannot take the 105 mm height of the ET12A-BS.
- Exide AGM12-8: 1.40 Ah less, 15 A more cranking power, a different height (95 mm instead of 105 mm). It is the option if your battery tray cannot take the 105 mm height of the ET12A-BS.
- Exide ETX9-BS: 2 Ah less, 10 A less cranking power, the same dimensions.

## Check this before ordering the Exide ET12A-BS

- Cold cranking: 130 A (EN), equal to or higher than the original.
- With 10 Ah, the ET12A-BS replaces an original battery of that capacity or slightly less.
- The ET12A-BS has the positive terminal on the left: compare it with your current battery.
- Length, width and height of the ET12A-BS: 150 × 90 × 105 mm.

## Frequently asked questions about the Exide ET12A-BS

### Exide ET12A-BS or AGM12-7.5?

Compared with the ET12A-BS, the Exide AGM12-7.5 has 2 Ah less and 10 A less cranking power. The ET12A-BS cranks harder; the AGM12-7.5 is only a good option if your original battery says 120 A or less. Both measure 150 × 90 × 105 mm, so they fit the same tray.

### Exide ET12A-BS or ETZ10-BS/AGM12-8: what changes?

Mainly the height: the ET12A-BS is 105 mm tall and the Exide ETZ10-BS 95 mm, with the same length and width. In capacity and cranking power, the ETZ10-BS offers 9 Ah and 145 A against 10 Ah and 130 A. The Exide AGM12-8 is 95 mm tall, with 8.6 Ah and 145 A. Before choosing between the ET12A-BS and the ETZ10-BS, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Exide ET12A-BS weigh?

The ET12A-BS weighs 3.4 kg. For reference, the Exide AGM12-7.5 (8 Ah) weighs 3.1 kg.

### Which battery is equivalent to the Exide ET12A-BS?

Only other AGM batteries with its dimensions and polarity: Varta T12A (FA), Fulbat FTX9-BS and Varta YTX9-BS. Neither an EFB nor a conventional battery replaces the ET12A-BS.

### Which side is the positive terminal on the Exide ET12A-BS?

The ET12A-BS has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Exide ET12A-BS 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.

## What it means that the ET12A-BS is AGM

The ET12A-BS is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the ET12A-BS can be fitted in the boot or under a seat with no risk of spills.

## Keep comparing: alternatives to the ET12A-BS

- [More motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Exide models](https://bateriasonline.es/en/exide-batteries)
- [Varta T12A (FA)](https://bateriasonline.es/en/varta-t12a-fa-510909015) · 10 Ah, 145 A, 150×88×105 mm
- [Fulbat FTX9-BS](https://bateriasonline.es/en/fulbat-ftx9-bs) · 8.4 Ah, 135 A, 150×87×105 mm

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