# Varta B12A (FA) · Motorcycle battery 12V 12Ah 125A

![Varta B12A (FA) · Motorcycle battery 12V 12Ah 125A](https://bateriasonline.es/1567-home_default/varta-b12a-fa-512919013.jpg)

> Varta B12A (FA) (ETN 512919013): 12 Ah motorcycle battery, 125 A (EN), 134×81×160 mm, positive terminal on the left, AGM. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/varta-b12a-fa-512919013
- **Language**: en
- **Brand**: Varta
- **Reference**: BOL-VARTA-512919013
- **EAN**: 4016987169285
- **MPN**: 512919013
- **Last updated**: 2026-11-09

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Varta |
| Range | VARTA PowerSports AGM Active |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 12 Ah (C10) |
| Cold cranking amps (EN) | 125 A |
| Length | 134 mm |
| Width | 81 mm |
| Height | 160 mm |
| Weight | 3.88 kg |
| Polarity | Positive terminal on the left |
| Terminal type | Y6 |
| ETN code | 512919013 |
| JIS code | B12 A YB12 A |

## Quick description

Varta B12A (FA) (ETN 512 919 013, also written 512919013): motorcycle battery (AGM) with 12 V, 12 Ah and 125 A cold cranking current, measuring 134 × 81 × 160 mm, with the positive terminal on the left. Need the positive terminal on the right? The same battery is the Varta B12AL (FA).

## Description

## Who the Varta B12A (FA) is for

The Varta B12A (FA) 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 12 Ah it covers mid-capacity motorcycles, large scooters and light quads. Varta lists the B12A (FA) in its Powersports AGM Active line. [More Varta batteries](https://bateriasonline.es/en/varta-batteries)

## Part numbers and codes for the Varta B12A (FA)

Look for any of these B12A (FA) codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | B12A (FA) |
|---|---|
| ETN code | 512919013 (also 512 919 013) |
| EAN | 4016987169285 |
| Case size according to Varta | B12A-A |
| Base hold-down | B00 |
| Terminal type | Y6 |
| Also known as | Varta 512919013 · Varta 512 919 013 · B12A-A |
| Not to be confused with | Varta T12A (FA) (10 Ah, 145 A), Varta B12AL (FA) (12 Ah, 125 A, positive terminal on the right) |

## Equivalents and alternatives to the Varta B12A (FA)

We have no other battery with exactly the dimensions and polarity of the B12A (FA). Browse the rest of our [motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries) to compare close options.

## Varta B12A (FA) vs TX14AH (FA), B12AL (FA) and YTX16-BS-1

What sets the B12A (FA) apart from its neighbours in the Varta range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta B12A (FA) (this one) | 12 Ah | 125 A | 134 × 81 × 160 | left | 3.88 kg |
| Varta TX14AH (FA) | 12 Ah | 210 A | 133 × 90 × 164 | left | 4.4 kg |
| Varta B12AL (FA) | 12 Ah | 125 A | 134 × 81 × 160 | right | 3.88 kg |
| Varta YTX16-BS-1 | 14 Ah | 210 A | 150 × 87 × 161 | left | 4.96 kg |

- Varta TX14AH (FA): the same capacity, 85 A more cranking power, a different case (133 × 90 × 164 mm).
- The Varta B12AL (FA) is the same battery with the positive terminal on the other side: choose it if your current battery has the positive terminal on the right.
- Varta YTX16-BS-1: 2 Ah more, 85 A more cranking power, a different case (150 × 87 × 161 mm).

## What to look at before buying the B12A (FA)

- Cold cranking: 125 A (EN), equal to or higher than the original.
- Capacity of the B12A (FA): 12 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the B12A (FA) is on the left.
- Measure the space: the B12A (FA) takes up 134 × 81 × 160 mm.

## Frequently asked questions about the Varta B12A (FA)

### B12A (FA) or TX14AH (FA): which one suits me?

Compared with the B12A (FA), the Varta TX14AH (FA) has 85 A more cranking power. If your current battery says 210 A or more, choose the TX14AH (FA); if it says 125 A or less, the B12A (FA) is enough. Mind the space: the TX14AH (FA) measures 133 × 90 × 164 mm.

### Varta B12A (FA) or B12AL (FA): what is the difference?

Only the polarity: the B12A (FA) has the positive terminal on the left and the B12AL (FA) the positive terminal on the right. Capacity (12 Ah), cranking power and dimensions are identical. That is why their ETNs only differ in the middle group: 512 919 013 for the B12A (FA) and 512 909 013 for the B12AL (FA).

### Is the Varta 512919013 the same battery as the Varta B12A (FA)?

Yes. 512919013 is the ETN code Varta uses for its B12A (FA) battery, so you can search for it by either code.

### How much does the Varta B12A (FA) weigh?

3.88 kg, with 12 Ah of capacity. For reference, the Varta TX14AH (FA) (12 Ah) weighs 4.4 kg.

## AGM technology in the B12A (FA)

The B12A (FA) is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the B12A (FA) can be fitted in the boot or under a seat with no risk of spills.

## Other options if you are unsure about the B12A (FA)

- [Other motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Varta range](https://bateriasonline.es/en/varta-batteries)

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