# Varta YT12A-BS · Motorcycle battery 12V 11Ah 160A

![Varta YT12A-BS · Motorcycle battery 12V 11Ah 160A](https://bateriasonline.es/1331-home_default/varta-yt12a-bs-511901016.jpg)

> Varta YT12A-BS (ETN 511901016): 11 Ah motorcycle battery, 160 A (EN), 150×88×105 mm, positive terminal on the left.

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

- **Canonical URL**: https://bateriasonline.es/en/varta-yt12a-bs-511901016
- **Language**: en
- **Brand**: Varta
- **Reference**: BOL-VARTA-511901016
- **EAN**: 4016987169230
- **MPN**: 511901016
- **Price**: 42,14 € (VAT incl., Spain)
- **Last updated**: 2026-11-09

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Varta |
| Range | VARTA PowerSports AGM |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 11 Ah |
| Cold cranking amps (EN) | 160 A |
| Length | 150 mm |
| Width | 88 mm |
| Height | 105 mm |
| Weight | 3.52 kg |
| Polarity | Positive terminal on the left |
| Terminal type | Y5 |
| ETN code | 511901016 |
| JIS code | YT12 A-4 YT12 A-BS |

## Quick description

Varta YT12A-BS (ETN 511 901 016, also written 511901016): motorcycle battery (AGM) with 12 V, 11 Ah and 160 A cold cranking current, measuring 150 × 88 × 105 mm, with the positive terminal on the left.

## Description

## Who the Varta YT12A-BS is for

The Varta YT12A-BS is made for motorcycles, scooters and quads. It is worth keeping the YT12A-BS on a maintenance charger if the bike is laid up over winter.
At 11 Ah it covers mid-capacity motorcycles, large scooters and light quads. In the Varta catalogue, the YT12A-BS belongs to the Powersports AGM line. [More Varta batteries](https://bateriasonline.es/en/varta-batteries)

## Part numbers and codes for the Varta YT12A-BS

This is how the Varta YT12A-BS appears on the label and in parts catalogues:

| Commercial reference | YT12A-BS |
|---|---|
| ETN code | 511901016 (also 511 901 016) |
| Manufacturer short code | T12A-4/T12A-BS |
| EAN | 4016987169230 |
| Case size according to Varta | T12A-BS (T12A-4) |
| Base hold-down | B00 |
| Terminal type | Y5 |
| Also known as | Varta 511901016 · Varta 511 901 016 · Varta T12A-4 · Varta T12A-BS |
| Not to be confused with | Varta YT12B-BS (12 Ah, 215 A, positive terminal on the right) |

## Equivalents and alternatives to the Varta YT12A-BS

Other AGM batteries that fit the YT12A-BS's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Fulbat FT12A-BS | AGM | 10.5 Ah | 175 A | 150 × 88 × 105 |
| Motobatt MBTX9U | AGM | 10.5 Ah | 160 A | 151 × 87 × 105 |
| Varta T12A (FA) | AGM | 10 Ah | 145 A | 150 × 88 × 105 |

## Varta YT12A-BS vs TTZ14S-BS, YTX12-BS and YTX12-4 (FA)

What sets the YT12A-BS apart from its neighbours in the Varta range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta YT12A-BS (this one) | 11 Ah | 160 A | 150 × 88 × 105 | left | 3.52 kg |
| Varta TTZ14S-BS | 11 Ah | 230 A | 150 × 87 × 110 | left | 3.8 kg |
| Varta YTX12-BS | 10 Ah | 150 A | 152 × 88 × 131 | left | 3.86 kg |
| Varta YTX12-4 (FA) | 10 Ah | 170 A | 150 × 87 × 130 | left | 3.86 kg |
| Varta T12A (FA) | 10 Ah | 145 A | 150 × 88 × 105 | left | 3.29 kg |

- Varta TTZ14S-BS: the same capacity, 70 A more cranking power, a different case (150 × 87 × 110 mm).
- Varta YTX12-BS: 1 Ah less, 10 A less cranking power, a different height (131 mm instead of 105 mm). It only fits if there is room for 131 mm of height.
- Varta YTX12-4 (FA): 1 Ah less, 10 A more cranking power, a different height (130 mm instead of 105 mm). It only fits if there is room for 130 mm of height.
- Varta T12A (FA): 1 Ah less, 15 A less cranking power, the same dimensions.

## Before ordering the YT12A-BS, check this

- The YT12A-BS delivers 160 A cold cranking (EN standard); do not go below what your original battery states.
- With 11 Ah, the YT12A-BS replaces an original battery of that capacity or slightly less.
- The YT12A-BS has the positive terminal on the left: compare it with your current battery.
- The YT12A-BS needs 150 × 88 × 105 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Varta YT12A-BS

### YT12A-BS or TTZ14S-BS: which one suits me?

Compared with the YT12A-BS, the Varta TTZ14S-BS has 70 A more cranking power. If your current battery says 230 A or more, choose the TTZ14S-BS; if it says 160 A or less, the YT12A-BS is enough. Mind the space: the TTZ14S-BS measures 150 × 87 × 110 mm.

### Varta YT12A-BS or YTX12-BS/YTX12-4 (FA): what changes?

Mainly the height: the YT12A-BS is 105 mm tall and the Varta YTX12-BS 131 mm, with the same length and width. In capacity and cranking power, the YTX12-BS offers 10 Ah and 150 A against 11 Ah and 160 A. The Varta YTX12-4 (FA) is 130 mm tall, with 10 Ah and 170 A. Before choosing between the YT12A-BS and the YTX12-BS, measure the free height of the battery compartment with the cover or bonnet closed.

### Is the Varta 511901016 the same battery as the Varta YT12A-BS?

Yes. 511901016 is the ETN code Varta uses for its YT12A-BS battery, so you can search for it by either code.

### How much does the Varta YT12A-BS weigh?

3.52 kg, with 11 Ah of capacity. For reference, the Varta TTZ14S-BS (11 Ah) weighs 3.8 kg.

### Which battery is equivalent to the Varta YT12A-BS?

Only other AGM batteries with its dimensions and polarity: Fulbat FT12A-BS, Motobatt MBTX9U and Varta T12A (FA). Neither an EFB nor a conventional battery replaces the YT12A-BS.

### Which side is the positive terminal on the Varta YT12A-BS?

On the YT12A-BS, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

## What it means that the YT12A-BS is AGM

Inside, the YT12A-BS has glass fibre separators (AGM) that hold the electrolyte. The YT12A-BS needs a charger with an AGM mode that does not exceed 14.7 V.

## More batteries to compare with the YT12A-BS

- [More motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [Full Varta catalogue](https://bateriasonline.es/en/varta-batteries)
- [Fulbat FT12A-BS](https://bateriasonline.es/en/fulbat-ft12a-bs) · 10.5 Ah, 175 A, 150×88×105 mm
- [Motobatt MBTX9U](https://bateriasonline.es/en/motobatt-mbtx9u) · 10.5 Ah, 160 A, 151×87×105 mm

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