In short: Quick facts on the Varta 512909021: intended for motorcycles and quads, rated 12Ah 12V 210A. Terminal position is the detail people most often forget.
Varta 512909021 for motorcycles and quads
Riding a bike that takes a Varta 512909021? This is the page. The box measures 133 × 90 × 164 mm, and a few millimetres decide whether the seat closes. Riders order batteries online to avoid riding a dead bike to the dealer.
12Ah puts it squarely in the middle of the range for motorcycles and quads. Big diesels and cold climates appreciate the 210A on offer here.
12VVoltage
12AhCapacity, 10-hour rate (C10)
210ACold cranking amps
Make sure it fits your vehicle or equipment
- ✓ It comes with Y4 terminals, so check that your leads, lugs or plugs can attach to them without adapters.
- ✓ Built with AGM technology: if your vehicle or system was set up for another chemistry, check the charging settings first.
- ✓ Will it fit? The Varta 512909021 measures 133 × 90 × 164 mm, so compare length first, then width, then height with the lid or bonnet closed.
Measurements, ratings and codes
MakeVarta
Part number512909021
SeriesVARTA PowerSports AGM Active
Used formotorcycles and quads
Voltage12V
Capacity, 10-hour rate (C10)12Ah
Cold cranking amps210A
TechnologyAGM
Outer measurements133 × 90 × 164 mm
Weighs4.4 kg
Polaritypositive on the left-hand side
ConnectorsY4
Barcode4016987169353
Questions buyers ask about the Varta 512909021
Is the Varta 512909021 a heavy battery to fit?
It weighs 4.4 kg. Lift with your legs and keep it upright.
Is the Varta 512909021 strong enough for a diesel engine?
With 210A, it suits vehicles whose maker specifies that value or less. Cold climates benefit from extra.
Will both the size and terminals match?
Compare 133 × 90 × 164 mm with your tray and check the old battery is also positive on the left-hand side.
AGM: how it works
Glass-mat batteries are sealed, with small valves that only open if pressure builds up. Wheelchairs and scooters often use AGM for clean, sealed power. Store AGM batteries charged and disconnected.
Other options with identical dimensions
Same format, different makers: these alternatives match the Varta 512909021 in size and layout.
Exide AGM12-14.1Exide ETX14AH-BSFulbat FTX14AH-BSExide EB14-A2Exide EB14-B2
Related products and ranges
Got the old battery's label in front of you? Compare it once more, then order online at baterias.online. Measuring the space before ordering avoids a battery that will not sit flat.
Installation and maintenance tips
A jet ski on a trailer spends months in the garage. A quick-connect lead left on the battery makes winter top-ups easy. Dim lights and a weak horn at idle hint that the battery is losing capacity.
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