Varta

Varta YTX20L-4 (FA) · Motorcycle battery 12V 18Ah 270A

Reference: BOL-VARTA-518909027 · EAN 4016987169537

The Varta YTX20L-4 (FA) (ETN 518 909 027, also written 518909027) is a motorcycle battery (AGM) with 12 V, 18 Ah and 270 A cold cranking current, measuring 175 × 87 × 154 mm, with the positive terminal on the right.

Voltage
12V
Capacity
18Ah
Cold cranking amps (EN)
270A
Technology
AGM
Dimensions (L × W × H)
175 × 87 × 154 mm
Polarity
Positive terminal on the right
Price: €91.14
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Who the Varta YTX20L-4 (FA) is for

The Varta YTX20L-4 (FA) is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. With 18 Ah, the YTX20L-4 (FA) suits motorcycles and scooters that had a battery of that capacity.

At 18 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. Varta lists the YTX20L-4 (FA) in its Powersports AGM Active line. The full range of Varta batteries

Varta YTX20L-4 (FA) codes and part numbers

Look for any of these YTX20L-4 (FA) codes on your current battery or in the manufacturer's catalogue:

Commercial referenceYTX20L-4 (FA)
ETN code518909027 (also 518 909 027)
Manufacturer short codeTX20L (FA)
EAN4016987169537
Base hold-downB00
Terminal typeY4
Also known asVarta 518909027 · Varta 518 909 027 · Varta TX20L (FA)

Equivalents and alternatives to the Varta YTX20L-4 (FA)

As the YTX20L-4 (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.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Fulbat FTX20L-BSAGM18.9 Ah270 A175 × 87 × 155
Exide AGM12-19AGM18 Ah270 A175 × 90 × 155
Exide ETX20HL-BSAGM18 Ah270 A175 × 90 × 155
Motobatt MBTX20UAGM21 Ah310 A175 × 87 × 155
Motobatt MBTX20UHDAGM21 Ah310 A175 × 87 × 155
Varta YTX20H-BSAGM18 Ah320 A175 × 87 × 154

Varta YTX20L-4 (FA) vs TX20HL (FA) and YTX20H-BS

Torn between the YTX20L-4 (FA) and another similar Varta? This is what changes:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Varta YTX20L-4 (FA) (this one)18 Ah270 A175 × 87 × 154right5.93 kg
Varta TX20HL (FA)18 Ah310 A176 × 89 × 154right6.55 kg
Varta YTX20H-BS18 Ah320 A175 × 87 × 154right6.31 kg
  • Varta TX20HL (FA): the same capacity, 40 A more cranking power, the same dimensions.
  • Varta YTX20H-BS: the same capacity, 50 A more cranking power, the same dimensions.

Check this before ordering the Varta YTX20L-4 (FA)

  • Measure the space: the YTX20L-4 (FA) takes up 175 × 87 × 154 mm.
  • With the terminals facing you, the positive terminal of the YTX20L-4 (FA) is on the right.
  • Your current battery should say about 18 Ah; a little more is also fine.
  • Cold cranking: 270 A (EN), equal to or higher than the original.

Frequently asked questions about the Varta YTX20L-4 (FA)

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

Compared with the YTX20L-4 (FA), the Varta TX20HL (FA) has 40 A more cranking power. If your current battery says 310 A or more, choose the TX20HL (FA); if it says 270 A or less, the YTX20L-4 (FA) is enough. Both measure 175 × 87 × 154 mm, so they fit the same tray.

Is the Varta 518909027 the same battery as the Varta YTX20L-4 (FA)?

Yes. 518909027 is the ETN code Varta uses for its YTX20L-4 (FA) battery, so you can search for it by either code.

How much does the Varta YTX20L-4 (FA) weigh?

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

Which battery is equivalent to the Varta YTX20L-4 (FA)?

Only other AGM batteries with its dimensions and polarity: Fulbat FTX20L-BS, Exide AGM12-19 and Exide ETX20HL-BS. Neither an EFB nor a conventional battery replaces the YTX20L-4 (FA).

Which side is the positive terminal on the Varta YTX20L-4 (FA)?

The YTX20L-4 (FA) has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

Which charger does the Varta YTX20L-4 (FA) need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

What it means that the YTX20L-4 (FA) is AGM

The YTX20L-4 (FA) is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the YTX20L-4 (FA) can be fitted in the boot or under a seat with no risk of spills.

Other options if you are unsure about the YTX20L-4 (FA)

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