Varta

Varta YTX9 (FA) · Motorcycle battery 12V 8Ah 135A

Reference: BOL-VARTA-508909014 · EAN 4016987169100

The Varta YTX9 (FA) (ETN 508 909 014, also written 508909014) is a motorcycle battery (AGM) with 12 V, 8 Ah and 135 A cold cranking current, measuring 151 × 87 × 106 mm, with the positive terminal on the left.

Voltage
12V
Capacity
8Ah
Cold cranking amps (EN)
135A
Technology
AGM
Dimensions (L × W × H)
151 × 87 × 106 mm
Polarity
Positive terminal on the left
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Does it fit your vehicle? Check by number plate or VIN

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Who the Varta YTX9 (FA) is for

The Varta YTX9 (FA) is made for motorcycles, scooters and quads. With 8 Ah, the YTX9 (FA) suits motorcycles and scooters that had a battery of that capacity.

At 8 Ah it covers mid-capacity motorcycles, large scooters and light quads. In the Varta catalogue, the YTX9 (FA) belongs to the Powersports AGM Active line. See all Varta batteries

Varta YTX9 (FA) codes and part numbers

This is how the Varta YTX9 (FA) appears on the label and in parts catalogues:

Commercial referenceYTX9 (FA)
ETN code508909014 (also 508 909 014)
Manufacturer short codeTX9 (FA)
EAN4016987169100
Base hold-downB00
Terminal typeY4
Also known asVarta 508909014 · Varta 508 909 014 · Varta TX9 (FA)

Equivalents and alternatives to the Varta YTX9 (FA)

As the YTX9 (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 FTX9-BSAGM8.4 Ah135 A150 × 87 × 105
Varta YTX9-BSAGM8 Ah135 A152 × 88 × 106
Exide ET12A-BSAGM10 Ah130 A150 × 90 × 105
Motobatt MBTX9UAGM10.5 Ah160 A151 × 87 × 105
Varta T12A (FA)AGM10 Ah145 A150 × 88 × 105
Varta YT12A-BSAGM11 Ah160 A150 × 88 × 105

Varta YTX9 (FA) vs T12A (FA), TTZ10S-BS and TZ10S (FA): which one to choose?

How the YTX9 (FA) compares with Varta batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Varta YTX9 (FA) (this one)8 Ah135 A151 × 87 × 106left3 kg
Varta T12A (FA)10 Ah145 A150 × 88 × 105left3.29 kg
Varta TTZ10S-BS8 Ah150 A150 × 87 × 93left3.11 kg
Varta TZ10S (FA)9 Ah150 A150 × 87 × 93left3.15 kg
Varta TTZ12S-BS9 Ah200 A150 × 87 × 110left3.8 kg
  • Varta T12A (FA): 2 Ah more, 10 A more cranking power, the same dimensions.
  • Varta TTZ10S-BS: the same capacity, 15 A more cranking power, a different height (93 mm instead of 106 mm). It is the option if your battery tray cannot take the 106 mm height of the YTX9 (FA).
  • Varta TZ10S (FA): 1 Ah more, 15 A more cranking power, a different height (93 mm instead of 106 mm). It is the option if your battery tray cannot take the 106 mm height of the YTX9 (FA).
  • Varta TTZ12S-BS: 1 Ah more, 65 A more cranking power, a different case (150 × 87 × 110 mm).

Check this before ordering the Varta YTX9 (FA)

  • The YTX9 (FA) delivers 135 A cold cranking (EN standard); do not go below what your original battery states.
  • Capacity of the YTX9 (FA): 8 Ah; the same as your current battery or slightly more is fine.
  • The YTX9 (FA) has the positive terminal on the left: compare it with your current battery.
  • Measure the space: the YTX9 (FA) takes up 151 × 87 × 106 mm.

Frequently asked questions about the Varta YTX9 (FA)

Varta YTX9 (FA) or T12A (FA)?

Compared with the YTX9 (FA), the Varta T12A (FA) has 2 Ah more and 10 A more cranking power. If your current battery says 145 A or more, choose the T12A (FA); if it says 135 A or less, the YTX9 (FA) is enough. Both measure 151 × 87 × 106 mm, so they fit the same tray.

Varta YTX9 (FA) or TTZ10S-BS/TZ10S (FA): what changes?

Mainly the height: the YTX9 (FA) is 106 mm tall and the Varta TTZ10S-BS 93 mm, with the same length and width. In capacity and cranking power, the TTZ10S-BS offers 8 Ah and 150 A against 8 Ah and 135 A. The Varta TZ10S (FA) is 93 mm tall, with 9 Ah and 150 A. Before choosing between the YTX9 (FA) and the TTZ10S-BS, measure the free height of the battery compartment with the cover or bonnet closed.

Is the Varta 508909014 the same battery as the Varta YTX9 (FA)?

Yes. 508909014 is the ETN code Varta uses for its YTX9 (FA) battery, so you can search for it by either code.

How much does the Varta YTX9 (FA) weigh?

The YTX9 (FA) weighs 3 kg. For reference, the Varta T12A (FA) (10 Ah) weighs 3.29 kg.

Which battery is equivalent to the Varta YTX9 (FA)?

Only other AGM batteries with its dimensions and polarity: Fulbat FTX9-BS, Varta YTX9-BS and Exide ET12A-BS. Neither an EFB nor a conventional battery replaces the YTX9 (FA).

Which side is the positive terminal on the Varta YTX9 (FA)?

The YTX9 (FA) has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

Which charger does the Varta YTX9 (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 YTX9 (FA) is AGM

Inside, the YTX9 (FA) has glass fibre separators (AGM) that hold the electrolyte. The YTX9 (FA) needs a charger with an AGM mode that does not exceed 14.7 V.

More batteries to compare with the YTX9 (FA)

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