# Varta TTZ14S-BS · Motorcycle battery 12V 11Ah 230A

![Varta TTZ14S-BS · Motorcycle battery 12V 11Ah 230A](https://bateriasonline.es/1341-home_default/varta-ttz14s-bs-511902023.jpg)

> Varta TTZ14S-BS (ETN 511902023): 11 Ah motorcycle battery, 230 A (EN), 150×87×110 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-ttz14s-bs-511902023
- **Language**: en
- **Brand**: Varta
- **Reference**: BOL-VARTA-511902023
- **EAN**: 4016987169254
- **MPN**: 511902023
- **Price**: 46,16 € (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) | 230 A |
| Length | 150 mm |
| Width | 87 mm |
| Height | 110 mm |
| Weight | 3.8 kg |
| Polarity | Positive terminal on the left |
| Terminal type | Y11 |
| ETN code | 511902023 |
| JIS code | TTZ14 S-4 YTZ14 S-4 TTZ14 S-BS YTZ14 S-BS |

## Quick description

Varta TTZ14S-BS (ETN 511 902 023, also written 511902023): motorcycle battery (AGM) with 12 V, 11 Ah and 230 A cold cranking current, measuring 150 × 87 × 110 mm, with the positive terminal on the left.

## Description

## Who the Varta TTZ14S-BS is for

The Varta TTZ14S-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 TTZ14S-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. Varta lists the TTZ14S-BS in its Powersports AGM line. [The full range of Varta batteries](https://bateriasonline.es/en/varta-batteries)

## Part numbers and codes for the Varta TTZ14S-BS

The TTZ14S-BS is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | TTZ14S-BS |
|---|---|
| ETN code | 511902023 (also 511 902 023) |
| Manufacturer short code | TZ14S-4/TZ14S-BS |
| EAN | 4016987169254 |
| Case size according to Varta | TZ14S-BS (TZ14S-4) |
| Base hold-down | B00 |
| Terminal type | Y11 |
| Also known as | Varta 511902023 · Varta 511 902 023 · Varta TZ14S-4 · Varta TZ14S-BS |
| Not to be confused with | Varta TTZ10S-BS (8 Ah, 150 A), Varta TTZ12S-BS (9 Ah, 200 A) |

## Equivalents and alternatives to the Varta TTZ14S-BS

Other AGM batteries that fit the TTZ14S-BS's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Varta TZ14S (FA) | AGM | 11 Ah | 220 A | 150 × 87 × 110 |
| Varta TZ12S (FA) | AGM | 11 Ah | 210 A | 150 × 87 × 110 |

## Varta TTZ14S-BS vs TZ12S (FA), YTX16-BS-1 and YTX16-BS: differences

The real differences between the TTZ14S-BS and the closest Varta models:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta TTZ14S-BS (this one) | 11 Ah | 230 A | 150 × 87 × 110 | left | 3.8 kg |
| Varta TZ12S (FA) | 11 Ah | 210 A | 150 × 87 × 110 | left | 3.81 kg |
| Varta YTX16-BS-1 | 14 Ah | 210 A | 150 × 87 × 161 | left | 4.96 kg |
| Varta YTX16-BS | 14 Ah | 210 A | 150 × 87 × 161 | left | 4.99 kg |
| Varta TZ14S (FA) | 11 Ah | 220 A | 150 × 87 × 110 | left | 3.82 kg |

- Varta TZ12S (FA): the same capacity, 20 A less cranking power, the same dimensions.
- Varta YTX16-BS-1: 3 Ah more, 20 A less cranking power, a different height (161 mm instead of 110 mm). It only fits if there is room for 161 mm of height.
- Varta YTX16-BS: 3 Ah more, 20 A less cranking power, a different height (161 mm instead of 110 mm). It only fits if there is room for 161 mm of height.
- Varta TZ14S (FA): the same capacity, 10 A less cranking power, the same dimensions.

## What to look at before buying the TTZ14S-BS

- The TTZ14S-BS delivers 230 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the TTZ14S-BS: 11 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the TTZ14S-BS is on the left.
- Measure the space: the TTZ14S-BS takes up 150 × 87 × 110 mm.

## Frequently asked questions about the Varta TTZ14S-BS

### TTZ14S-BS or TZ12S (FA): which one suits me?

Compared with the TTZ14S-BS, the Varta TZ12S (FA) has 20 A less cranking power. The TTZ14S-BS cranks harder; the TZ12S (FA) is only a good option if your original battery says 210 A or less. Both measure 150 × 87 × 110 mm, so they fit the same tray.

### Varta TTZ14S-BS or YTX16-BS-1/YTX16-BS: what changes?

Mainly the height: the TTZ14S-BS is 110 mm tall and the Varta YTX16-BS-1 161 mm, with the same length and width. In capacity and cranking power, the YTX16-BS-1 offers 14 Ah and 210 A against 11 Ah and 230 A. The Varta YTX16-BS is 161 mm tall, with 14 Ah and 210 A. Before choosing between the TTZ14S-BS and the YTX16-BS-1, measure the free height of the battery compartment with the cover or bonnet closed.

### Is the Varta 511902023 the same battery as the Varta TTZ14S-BS?

Yes. 511902023 is the ETN code Varta uses for its TTZ14S-BS battery, so you can search for it by either code.

### How much does the Varta TTZ14S-BS weigh?

3.8 kg, with 11 Ah of capacity. For reference, the Varta TZ12S (FA) (11 Ah) weighs 3.81 kg.

### Which battery is equivalent to the Varta TTZ14S-BS?

Only other AGM batteries with its dimensions and polarity: Varta TZ14S (FA) and Varta TZ12S (FA). Neither an EFB nor a conventional battery replaces the TTZ14S-BS.

### Which side is the positive terminal on the Varta TTZ14S-BS?

On the TTZ14S-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.

### How do I stop the motorcycle battery going flat in winter?

Connect it to a maintenance charger or disconnect it if the bike will sit for more than a month. A flat motorcycle battery sulphates in a few weeks.

## AGM technology in the TTZ14S-BS

The TTZ14S-BS is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Other options if you are unsure about the TTZ14S-BS

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [The whole Varta range](https://bateriasonline.es/en/varta-batteries)
- [Varta TZ14S (FA)](https://bateriasonline.es/en/varta-tz14s-fa-511909022) · 11 Ah, 220 A, 150×87×110 mm
- [Varta TZ12S (FA)](https://bateriasonline.es/en/varta-tz12s-fa-511909021) · 11 Ah, 210 A, 150×87×110 mm

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