# Varta TX20HL (FA) · Motorcycle battery 12V 18Ah 310A

![Varta TX20HL (FA) · Motorcycle battery 12V 18Ah 310A](https://bateriasonline.es/1630-home_default/varta-tx20hl-fa-518919031.jpg)

> Varta TX20HL (FA) (ETN 518919031): 18 Ah motorcycle battery, 310 A (EN), 176×89×154 mm, positive terminal on the right.

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

- **Canonical URL**: https://bateriasonline.es/en/varta-tx20hl-fa-518919031
- **Language**: en
- **Brand**: Varta
- **Reference**: BOL-VARTA-518919031
- **EAN**: 4016987169612
- **MPN**: 518919031
- **Price**: 79,87 € (VAT incl., Spain)
- **Last updated**: 2026-11-09

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Varta |
| Range | VARTA PowerSports AGM Active |
| Application | Motorcycles |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 18 Ah (C10) |
| Cold cranking amps (EN) | 310 A |
| Length | 176 mm |
| Width | 89 mm |
| Height | 154 mm |
| Weight | 6.55 kg |
| Polarity | Positive terminal on the right |
| Terminal type | Y14 |
| ETN code | 518919031 |
| JIS code | TX20 HL YTX20 HL |

## Quick description

The Varta TX20HL (FA) (ETN 518 919 031, also written 518919031) is a motorcycle battery (AGM) with 12 V, 18 Ah and 310 A cold cranking current, measuring 176 × 89 × 154 mm, with the positive terminal on the right. With the positive terminal on the left, the exact counterpart is the Varta TX20H (FA).

## Description

## The Varta TX20HL (FA) at a glance

The Varta TX20HL (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 is worth keeping the TX20HL (FA) on a maintenance charger if the bike is laid up over winter.
At 18 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. Varta lists the TX20HL (FA) in its Powersports AGM Active line. [The full range of Varta batteries](https://bateriasonline.es/en/varta-batteries)

## Varta TX20HL (FA) codes and part numbers

Look for any of these TX20HL (FA) codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | TX20HL (FA) |
|---|---|
| ETN code | 518919031 (also 518 919 031) |
| EAN | 4016987169612 |
| Case size according to Varta | BTX20HL |
| Base hold-down | B00 |
| Terminal type | Y14 |
| Also known as | Varta 518919031 · Varta 518 919 031 · BTX20HL |
| Not to be confused with | Varta TX20H (FA) (18 Ah, 310 A, positive terminal on the left), Varta TX24HL (FA) (21 Ah, 330 A) |

## Equivalents and alternatives to the Varta TX20HL (FA)

As the TX20HL (FA) 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) |
|---|---|---|---|---|
| Motobatt MBTX20U | AGM | 21 Ah | 310 A | 175 × 87 × 155 |
| Motobatt MBTX20UHD | AGM | 21 Ah | 310 A | 175 × 87 × 155 |
| Varta YTX20H-BS | AGM | 18 Ah | 320 A | 175 × 87 × 154 |
| Varta YTX20HL-BS | AGM | 18 Ah | 320 A | 175 × 87 × 154 |

## Varta TX20HL (FA) vs YTX20L-4 (FA), TX20H (FA) and YTX20H-BS: differences

Torn between the TX20HL (FA) and another similar Varta? This is what changes:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta TX20HL (FA) (this one) | 18 Ah | 310 A | 176 × 89 × 154 | right | 6.55 kg |
| Varta YTX20L-4 (FA) | 18 Ah | 270 A | 175 × 87 × 154 | right | 5.93 kg |
| Varta TX20H (FA) | 18 Ah | 310 A | 176 × 89 × 154 | left | 6.55 kg |
| Varta YTX20H-BS | 18 Ah | 320 A | 175 × 87 × 154 | right | 6.31 kg |

- Varta YTX20L-4 (FA): the same capacity, 40 A less cranking power, the same dimensions.
- Varta TX20H (FA): identical to the TX20HL (FA) except for the positive terminal, which is on the other side (positive terminal on the left).
- Varta YTX20H-BS: the same capacity, 10 A more cranking power, the same dimensions.

## Before ordering the TX20HL (FA), check this

- Check the EN amps on your battery: if it says 310 A or less, the TX20HL (FA) covers your engine.
- Your current battery should say about 18 Ah; a little more is also fine.
- The TX20HL (FA) has the positive terminal on the right: compare it with your current battery.
- Measure the space: the TX20HL (FA) takes up 176 × 89 × 154 mm.

## Frequently asked questions about the Varta TX20HL (FA)

### Varta TX20HL (FA) or YTX20L-4 (FA)?

Compared with the TX20HL (FA), the Varta YTX20L-4 (FA) has 40 A less cranking power. The TX20HL (FA) cranks harder; the YTX20L-4 (FA) is only a good option if your original battery says 270 A or less. Both measure 176 × 89 × 154 mm, so they fit the same tray.

### What is the difference between the Varta TX20HL (FA) and the TX20H (FA)?

They are the same battery with the terminals swapped: positive terminal on the right on the TX20HL (FA), positive terminal on the left on the TX20H (FA). Look at your current battery with the terminals facing you and pick the one that matches. That is why their ETNs only differ in the middle group: 518 919 031 for the TX20HL (FA) and 518 909 031 for the TX20H (FA).

### Is the Varta 518919031 the same battery as the Varta TX20HL (FA)?

Yes. 518919031 is the ETN code Varta uses for its TX20HL (FA) battery, so you can search for it by either code.

### How much does the Varta TX20HL (FA) weigh?

The TX20HL (FA) weighs 6.55 kg. For reference, the Varta YTX20L-4 (FA) (18 Ah) weighs 5.93 kg.

### Which battery is equivalent to the Varta TX20HL (FA)?

Only other AGM batteries with its dimensions and polarity: Motobatt MBTX20U, Motobatt MBTX20UHD and Varta YTX20H-BS. Neither an EFB nor a conventional battery replaces the TX20HL (FA).

## AGM technology in the TX20HL (FA)

The TX20HL (FA) is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the TX20HL (FA) can be fitted in the boot or under a seat with no risk of spills.

## Other options if you are unsure about the TX20HL (FA)

- [All motorcycle batteries](https://bateriasonline.es/en/motorcycle-batteries)
- [More Varta models](https://bateriasonline.es/en/varta-batteries)
- [Varta YTX24HL-BS](https://bateriasonline.es/en/varta-ytx24hl-bs-521908034) · 21 Ah, 340 A, 205×90×164 mm

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