# Exide 12N9-3B · Motorcycle battery 12V 9Ah 85A

![Exide 12N9-3B · Motorcycle battery 12V 9Ah 85A](https://bateriasonline.es/107-home_default/exide-12n9-3b.jpg)

> Exide 12N9-3B: 9 Ah motorcycle battery, 85 A (EN), 135×75×140 mm, positive terminal on the right. Equivalent to Varta YB9L-B.

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

- **Canonical URL**: https://bateriasonline.es/en/exide-12n9-3b
- **Language**: en
- **Brand**: Exide
- **Reference**: BOL-EXIDE-12N9-3B
- **EAN**: 3661024033244
- **MPN**: 12N9-3B
- **Price**: 46,36 € (VAT incl., Spain)
- **Last updated**: 2026-11-09

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Exide |
| Range | EXIDE MOTORCYCLE CONVENTIONAL 12 V |
| Application | Motorcycles |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 9 Ah |
| Cold cranking amps (EN) | 85 A |
| Length | 135 mm |
| Width | 75 mm |
| Height | 140 mm |
| Weight | 3.1 kg |
| Polarity | Positive terminal on the right |
| Terminal type | M06 |
| JIS code | 12N9-3 B 12N7 A-3 B |

## Quick description

Exide 12N9-3B: motorcycle battery with 12 V, 9 Ah and 85 A cold cranking current, measuring 135 × 75 × 140 mm, with the positive terminal on the right. With the positive terminal on the left, the exact counterpart is the Exide 12N9-4B-1.

## Description

## Where the Exide 12N9-3B fits

The Exide 12N9-3B 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 12N9-3B on a maintenance charger if the bike is laid up over winter.
At 9 Ah it covers mid-capacity motorcycles, large scooters and light quads. The 12N9-3B belongs to the Exide EXIDE MOTORCYCLE CONVENTIONAL 12V range. [The full range of Exide batteries](https://bateriasonline.es/en/exide-batteries)

## Part numbers and codes for the Exide 12N9-3B

The 12N9-3B is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | 12N9-3B |
|---|---|
| JIS code | 12N9-3B, 12N7A-3B |
| EAN | 3661024033244 |
| Terminal type | M06 |
| Not to be confused with | Exide 12N5-3B (5 Ah, 40 A), Exide 12N7-3B (7 Ah, 75 A) |

## Equivalents and alternatives to the Exide 12N9-3B

Batteries that fit the 12N9-3B's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the 12N9-3B.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Varta YB9L-B | Lead-acid | 9 Ah | 85 A | 136 × 76 × 140 |

## Exide 12N9-3B vs EB7L-B, 12N9-4B-1 and 12N7-3B

The real differences between the 12N9-3B and the closest Exide models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Exide 12N9-3B (this one) | 9 Ah | 85 A | 135 × 75 × 140 | right | 3.1 kg |
| Exide EB7L-B | 8 Ah | 85 A | 135 × 75 × 135 | right | 2.9 kg |
| Exide 12N9-4B-1 | 9 Ah | 85 A | 135 × 75 × 140 | left | 3.1 kg |
| Exide 12N7-3B | 7 Ah | 75 A | 135 × 75 × 135 | right | 2.9 kg |

- Exide EB7L-B: 1 Ah less, the same cranking power, a different case (135 × 75 × 135 mm).
- Exide 12N9-4B-1: identical to the 12N9-3B except for the positive terminal, which is on the other side (positive terminal on the left).
- Exide 12N7-3B: 2 Ah less, 10 A less cranking power, a different case (135 × 75 × 135 mm).

## Check this before ordering the Exide 12N9-3B

- Measure the space: the 12N9-3B takes up 135 × 75 × 140 mm.
- The 12N9-3B has the positive terminal on the right: compare it with your current battery.
- Capacity of the 12N9-3B: 9 Ah; the same as your current battery or slightly more is fine.
- Cold cranking: 85 A (EN), equal to or higher than the original.

## Frequently asked questions about the Exide 12N9-3B

### 12N9-3B or EB7L-B: which one suits me?

Compared with the 12N9-3B, the Exide EB7L-B has 1 Ah less. With the same cranking power (85 A), the 12N9-3B and the EB7L-B differ in capacity: the one with more Ah supports more load with the engine off. Mind the space: the EB7L-B measures 135 × 75 × 135 mm.

### Exide 12N9-3B or 12N9-4B-1: what is the difference?

Only the polarity: the 12N9-3B has the positive terminal on the right and the 12N9-4B-1 the positive terminal on the left. Capacity (9 Ah), cranking power and dimensions are identical.

### How much does the Exide 12N9-3B weigh?

3.1 kg, with 9 Ah of capacity. For reference, the Exide EB7L-B (8 Ah) weighs 2.9 kg.

### Which battery is equivalent to the Exide 12N9-3B?

With the same dimensions, polarity and similar capacity you have the Varta YB9L-B. As the 12N9-3B is a conventional battery, an EFB or AGM of the same size also works.

### Does the Exide 12N9-3B 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.

## Inside the 12N9-3B: lead-acid technology

The 12N9-3B is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

## Keep comparing: alternatives to the 12N9-3B

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Exide models](https://bateriasonline.es/en/exide-batteries)
- [Varta YB9L-B](https://bateriasonline.es/en/varta-yb9l-b-509015009) · 9 Ah, 85 A, 136×76×140 mm

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