Varta

Varta YTX12-4 (FA) · Motorcycle battery 12V 10Ah 170A

Reference: BOL-VARTA-510909017 · EAN 4016987169209

Varta YTX12-4 (FA) (ETN 510 909 017, also written 510909017): motorcycle battery (AGM) with 12 V, 10 Ah and 170 A cold cranking current, measuring 150 × 87 × 130 mm, with the positive terminal on the left.

Voltage
12V
Capacity
10Ah
Cold cranking amps (EN)
170A
Technology
AGM
Dimensions (L × W × H)
150 × 87 × 130 mm
Polarity
Positive terminal on the left
Price: €73.90
Tax included

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Where the Varta YTX12-4 (FA) fits

The Varta YTX12-4 (FA) is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. It handles frame vibration and idle periods better than an adapted car battery.

At 10 Ah it covers mid-capacity motorcycles, large scooters and light quads. Varta lists the YTX12-4 (FA) in its Powersports AGM Active line. More Varta batteries

Part numbers and codes for the Varta YTX12-4 (FA)

Look for any of these YTX12-4 (FA) codes on your current battery or in the manufacturer's catalogue:

Commercial referenceYTX12-4 (FA)
ETN code510909017 (also 510 909 017)
Manufacturer short codeTX12 (FA)
EAN4016987169209
Base hold-downB00
Terminal typeY4
Also known asVarta 510909017 · Varta 510 909 017 · Varta TX12 (FA)
Not to be confused withVarta YTX14-4 (FA) (12 Ah, 200 A)

Equivalents and alternatives to the Varta YTX12-4 (FA)

Other AGM batteries that fit the YTX12-4 (FA)'s tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Fulbat FTX12-BSAGM10.5 Ah180 A150 × 87 × 130

Varta YTX12-4 (FA) vs YTX12-BS, YT12A-BS and TZ10S (FA): differences

The real differences between the YTX12-4 (FA) and the closest Varta models:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Varta YTX12-4 (FA) (this one)10 Ah170 A150 × 87 × 130left3.86 kg
Varta YTX12-BS10 Ah150 A152 × 88 × 131left3.86 kg
Varta YT12A-BS11 Ah160 A150 × 88 × 105left3.52 kg
Varta TZ10S (FA)9 Ah150 A150 × 87 × 93left3.15 kg
Varta T12B (FA)10 Ah160 A150 × 70 × 130left3.59 kg
  • Varta YTX12-BS: the same capacity, 20 A less cranking power, the same dimensions.
  • Varta YT12A-BS: 1 Ah more, 10 A less cranking power, a different height (105 mm instead of 130 mm). It is the option if your battery tray cannot take the 130 mm height of the YTX12-4 (FA).
  • Varta TZ10S (FA): 1 Ah less, 20 A less cranking power, a different height (93 mm instead of 130 mm). It is the option if your battery tray cannot take the 130 mm height of the YTX12-4 (FA).
  • Varta T12B (FA): the same capacity, 10 A less cranking power, a different case (150 × 70 × 130 mm).

What to look at before buying the YTX12-4 (FA)

  • Measure the space: the YTX12-4 (FA) takes up 150 × 87 × 130 mm.
  • With the terminals facing you, the positive terminal of the YTX12-4 (FA) is on the left.
  • Capacity of the YTX12-4 (FA): 10 Ah; the same as your current battery or slightly more is fine.
  • Check the EN amps on your battery: if it says 170 A or less, the YTX12-4 (FA) covers your engine.

Frequently asked questions about the Varta YTX12-4 (FA)

YTX12-4 (FA) or YTX12-BS: which one suits me?

Compared with the YTX12-4 (FA), the Varta YTX12-BS has 20 A less cranking power. The YTX12-4 (FA) cranks harder; the YTX12-BS is only a good option if your original battery says 150 A or less. Both measure 150 × 87 × 130 mm, so they fit the same tray.

Varta YTX12-4 (FA) or YT12A-BS/TZ10S (FA): what changes?

Mainly the height: the YTX12-4 (FA) is 130 mm tall and the Varta YT12A-BS 105 mm, with the same length and width. In capacity and cranking power, the YT12A-BS offers 11 Ah and 160 A against 10 Ah and 170 A. The Varta TZ10S (FA) is 93 mm tall, with 9 Ah and 150 A. Before choosing between the YTX12-4 (FA) and the YT12A-BS, measure the free height of the battery compartment with the cover or bonnet closed.

Is the Varta 510909017 the same battery as the Varta YTX12-4 (FA)?

Yes. 510909017 is the ETN code Varta uses for its YTX12-4 (FA) battery, so you can search for it by either code.

How much does the Varta YTX12-4 (FA) weigh?

3.86 kg, with 10 Ah of capacity. For reference, the Varta YTX12-BS (10 Ah) weighs 3.86 kg.

Which battery is equivalent to the Varta YTX12-4 (FA)?

Only other AGM batteries with its dimensions and polarity: Fulbat FTX12-BS. Neither an EFB nor a conventional battery replaces the YTX12-4 (FA).

Which side is the positive terminal on the Varta YTX12-4 (FA)?

On the YTX12-4 (FA), 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.

AGM technology in the YTX12-4 (FA)

The YTX12-4 (FA) is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the YTX12-4 (FA) can be fitted in the boot or under a seat with no risk of spills.

Keep comparing: alternatives to the YTX12-4 (FA)

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