Varta

Varta YTX14AH-BS · Motorcycle battery 12V 12Ah 210A

Reference: BOL-VARTA-512908021 · EAN 4016987149713

The Varta YTX14AH-BS (ETN 512 908 021, also written 512908021) is a motorcycle battery (AGM) with 12 V, 12 Ah and 210 A cold cranking current, measuring 134 × 89 × 166 mm, with the positive terminal on the right.

Voltage
12V
Capacity
12Ah
Cold cranking amps (EN)
210A
Technology
AGM
Dimensions (L × W × H)
134 × 89 × 166 mm
Polarity
Positive terminal on the right
Price: €54.68
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Where the Varta YTX14AH-BS fits

The Varta YTX14AH-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 YTX14AH-BS on a maintenance charger if the bike is laid up over winter.

At 12 Ah it covers mid-capacity motorcycles, large scooters and light quads. Varta lists the YTX14AH-BS in its Powersports AGM High Performance line. More Varta batteries

Varta YTX14AH-BS codes and part numbers

The YTX14AH-BS is listed under these codes on labels, in garages and in catalogues:

Commercial referenceYTX14AH-BS
ETN code512908021 (also 512 908 021)
Manufacturer short codeTX14AH-BS
EAN4016987149713
Base hold-downB00
Also known asVarta 512908021 · Varta 512 908 021 · Varta TX14AH-BS

Equivalents and alternatives to the Varta YTX14AH-BS

As the YTX14AH-BS 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)
Exide AGM12-14AGM12 Ah210 A135 × 90 × 165
Exide ETX14AHL-BSAGM12 Ah210 A135 × 90 × 165
Fulbat FTX14AHL-BSAGM12.6 Ah210 A135 × 90 × 167
Varta YTX14AHL-BSAGM12 Ah210 A134 × 89 × 166
Varta TX14AHL (FA)AGM12 Ah210 A133 × 90 × 164

Varta YTX14AH-BS vs B12AL (FA) and B10L (FA)

How the YTX14AH-BS compares with Varta batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Varta YTX14AH-BS (this one)12 Ah210 A134 × 89 × 166right5.02 kg
Varta B12AL (FA)12 Ah125 A134 × 81 × 160right3.88 kg
Varta B10L (FA)10 Ah120 A133 × 90 × 142right3.68 kg
  • Varta B12AL (FA): the same capacity, 85 A less cranking power, a different case (134 × 81 × 160 mm).
  • Varta B10L (FA): 2 Ah less, 90 A less cranking power, a different case (133 × 90 × 142 mm).

Check this before ordering the Varta YTX14AH-BS

  • Length, width and height of the YTX14AH-BS: 134 × 89 × 166 mm.
  • The YTX14AH-BS has the positive terminal on the right: compare it with your current battery.
  • Capacity of the YTX14AH-BS: 12 Ah; the same as your current battery or slightly more is fine.
  • Cold cranking: 210 A (EN), equal to or higher than the original.

Frequently asked questions about the Varta YTX14AH-BS

Varta YTX14AH-BS or B12AL (FA)?

Compared with the YTX14AH-BS, the Varta B12AL (FA) has 85 A less cranking power. The YTX14AH-BS cranks harder; the B12AL (FA) is only a good option if your original battery says 125 A or less. Mind the space: the B12AL (FA) measures 134 × 81 × 160 mm.

Is the Varta 512908021 the same battery as the Varta YTX14AH-BS?

Yes. 512908021 is the ETN code Varta uses for its YTX14AH-BS battery, so you can search for it by either code.

How much does the Varta YTX14AH-BS weigh?

The YTX14AH-BS weighs 5.02 kg. For reference, the Varta B12AL (FA) (12 Ah) weighs 3.88 kg.

Which battery is equivalent to the Varta YTX14AH-BS?

Only other AGM batteries with its dimensions and polarity: Exide AGM12-14, Exide ETX14AHL-BS and Fulbat FTX14AHL-BS. Neither an EFB nor a conventional battery replaces the YTX14AH-BS.

Which side is the positive terminal on the Varta YTX14AH-BS?

The YTX14AH-BS 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 YTX14AH-BS 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.

AGM technology in the YTX14AH-BS

The YTX14AH-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.

Keep comparing: alternatives to the YTX14AH-BS

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