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Varta 51814 Powersports · Motorcycle battery 18Ah 240A

Specifications

BrandVARTA
Part number518014024
Voltage (V)12
Capacity (C20)18Ah (c20)
Cold cranking amps (EN)240A
TechnologyLead-acid
Length186 mm
Width82 mm
Height171 mm
See the full specifications →

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Varta 51814 12V 18Ah 240A is a motorcycle starter battery with standard JIS code (the one on your bike's original label). Ready to use, sealed and vibration-resistant. Fits any model that takes the same JIS reference — the code your mechanic recognises at a glance.

Why this motorcycle battery?

  • Same JIS referenceas your bike's original — fits first time
  • Sealed and ready to useno acid handling, no refills
  • Survives winter storageholds charge through long off-season
JIS code
51814, 12C16A-3B
Voltage
12 V
Capacity
18 Ah C10
Cold cranking
240 A EN-1
Dimensions
186×82×171 mm
Technology
Lead-acid
Polarity
Positive on the right
Weight
5,93 kg
Model
PowerSports SLI Freshpack
Mfr. reference
518014024

Where it fits: the Varta 518014024 is one of our motorcycle batteries, belongs to our Varta batteries and by capacity it sits among our 18Ah batteries.

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The Varta 518014024 in practice

518014024 vs Varta 519013017

The Varta 518014024 offers 18 Ah and 240 A cold cranking in a 186 × 82 × 171 mm case. The Varta 519013017, same brand and technology, goes up to 19 Ah and 100 A If the tray takes the size, extra capacity and cranking give winter margin; if not, this one is the fit.

Logo Varta

Varta 51814 Powersports SLI Freshpack 18Ah 240A 12V Motorcycle Battery

JIS code51814
12VVoltage
18AhCapacity
240ACold cranking

The Varta 51814 motorcycle battery (reference 518014024) is the 12 V, 18 Ah model delivering 240 A of cold cranking power (EN), from Varta's Powersports SLI Freshpack range, designed for motorcycles, scooters, quads and personal watercraft. With dimensions of 186 × 82 × 171 mm and the positive terminal on the right, it is the direct replacement for motorcycles fitted from the factory with an 18 Ah battery in this format.

  • Performs well in the cold and after periods of inactivity.
  • High cranking peak in a compact, lightweight format.
  • Direct replacement for the original motorbike, scooter or quad battery.
  • Construction built to withstand the vibration typical of two-wheelers.

Applications of the Varta 51814 battery

With 18 Ah, the Varta 51814 is sized for motorcycles, scooters, quads and personal watercraft, as a direct replacement for the original battery. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a B00 hold-down.

Format and fitting of the Varta 51814

The Varta 51814 is made in the 186 × 82 × 171 mm format. The positive terminal on the right determines which side the cables end up on: it is the detail that causes the most purchasing mistakes, so it is worth checking before ordering. It uses a B00 hold-down, the system that secures it to the vehicle's battery tray. Checking the three dimensions and the terminal positions before buying avoids the most common mistake when replacing a battery.

The Varta 51814 and the Powersports SLI Freshpack range

The Powersports SLI Freshpack range brings together Varta's conventional motorcycle batteries, supplied dry with the acid packed separately (freshpack) so they are activated on installation, guaranteeing maximum freshness.

They deliver powerful starting and good vibration resistance for classic motorbikes, scooters and quads: the direct replacement for traditional lead-acid motorcycle batteries.

On two wheels, vibration and extreme temperatures take a heavy toll on the battery. This range reinforces the internal plate mounting and seals the unit to withstand that use, delivering the instant burst of cranking power a motorbike or quad engine needs after weeks standing idle.

Why choose a Varta battery

A good share of the vehicles on Europe's roads left the factory with a Varta fitted: the brand has been supplying the assembly lines of the leading automotive groups for decades. Replacing with a Varta means, in practice, giving the vehicle back the battery its manufacturer intended.

Varta batteries are made under the Clarios group with German technology and quality controls that make them one of the best-selling choices in Europe. As a lead battery, it is 100% recyclable through any collection point.

Varta is Europe's leading manufacturer of starter batteries: its production volume and quality controls guarantee consistent reliability batch after batch, something own-brand labels cannot always promise.

Manufacturer's warranty

The Varta 51814 battery comes with the official manufacturer warranty.

Care and maintenance

If the bike goes unused for long spells, a trickle charger greatly extends the battery's life and prevents sulphation. Storing it somewhere dry and checking the terminals at the start of each season helps it start first time. Motorcycle batteries suffer in the cold and when left idle: in winter, a maintenance charger stops the battery from discharging completely. With this care, it will typically deliver well over several years of service.

Technical sheet

Download the official technical sheet for this battery with all the manufacturer data.

Download technical sheet (PDF)

  • Reference
    BCOM-VARTA-518014024

Data sheet

  • Brand
    VARTA
  • Reference
    518014024
  • Model
    Varta Powersports SLI Freshpack
  • Voltage (V)
    12
  • Length
    186 mm
  • Width
    82 mm
  • Height
    171 mm
  • Technology
    Lead-acid
  • EAN
    4016987169490
  • Terminal layout
    Positive terminal on the right
  • JIS
    51814
  • Hold-down
    B00
  • Cold cranking amps (EN)
    240A
  • Capacity (C20)
    18Ah (c20)
  • Additional ETN
    518014024K544

Specific References

  • EAN13
    4016987169490
  • MPN
    518014024

Download

Datasheet Varta 518014024 (English)

PDF datasheet of the Varta 518014024 battery – English

Download (174.63KB)

Codes and references Varta 518014024

Brand Varta · see all Varta batteries
Manufacturer range Powersports SLI Freshpack
Manufacturer part number (MPN) 518014024
Also known as Varta Powersports SLI Freshpack 518014024
JIS equivalents 51814 · 12C16A-3B
EAN-13 barcode 4016987169490
Dimensions (length × width × height) 186 × 82 × 171 mm (186x82x171)

Varta 518014024: alternatives with the same dimensions — alternatives with the same dimensions, Ah and CCA

Batteries from our catalogue with the same dimensions, voltage and technology as the Varta 518014024 and a similar capacity, sorted by sales. They are not manufacturer-approved equivalents: check the polarity and capacity of your original battery.

Product Specifications Technology Price
Varta 51814 Varta 51814 This battery 12V 18Ah 240A Lead-acid
Varta 51814 Varta 51814 Same size 12V 18Ah 100A Lead-acid €145.60 +€145.60

Varta 51814 vs Varta 51814

Same size · +€145.60

It has the same dimensions, voltage and technology as the 51814, although it is not a manufacturer-approved equivalent. Compared with the 51814 it has 140 A of cold cranking less. It costs €145.60 more. Check the positive terminal side and the original capacity before ordering; otherwise it is a straight swap.

5181451814
Capacity18 Ah18 Ah
Cold cranking (EN)240 A100 A
TechnologyLead-acidLead-acid
Dimensions (mm)186 × 82 × 171186 × 82 × 171
Positive terminalPositive terminal on the rightPositive terminal on the right
Price€145.60
Varta 51913 Varta 51913 Same size 12V 19Ah 100A Lead-acid €146.20 +€146.20

Varta 51814 vs Varta 51913

Same size · +€146.20

It has the same dimensions, voltage and technology as the 51814, although it is not a manufacturer-approved equivalent. Compared with the 51814 it has 1 Ah more and 140 A of cold cranking less. It costs €146.20 more. Check the positive terminal side and the original capacity before ordering; otherwise it is a straight swap.

5181451913
Capacity18 Ah19 Ah
Cold cranking (EN)240 A100 A
TechnologyLead-acidLead-acid
Dimensions (mm)186 × 82 × 171186 × 82 × 171
Positive terminalPositive terminal on the rightPositive terminal on the right
Price€146.20
Exide 12Y16A-3A Exide 12Y16A-3A Same size 12V 20Ah 210A Lead-acid €72.70 +€72.70

Varta 51814 vs Exide 12Y16A-3A

Same size · +€72.70

Same case and same technology as the 51814: an alternative by size, not an official equivalent. Compared with the 51814 it has 2 Ah more and 30 A of cold cranking less. It costs €72.70 more. If the polarity matches and your bike had a similar capacity, it works as a replacement; if in doubt, ask us with your model.

5181412Y16A-3A
Capacity18 Ah20 Ah
Cold cranking (EN)240 A210 A
TechnologyLead-acidLead-acid
Dimensions (mm)186 × 82 × 171185 × 80 × 170
Positive terminalPositive terminal on the rightPositive terminal on the right
Price€72.70

Automatic selection by dimensions (±3 mm), voltage, technology and capacity (−10 % / +20 %). Official manufacturer warranty on every option.

Other 18Ah batteries: We stock 28 models of 18 Ah to compare by price, technology and cold cranking: see all 18Ah batteries. Same size (186 × 82 × 171 mm): batteries of 186 × 82 × 171 mm.

Recommended accessories — complement the Varta 518014024 with a charger or tester

Frequently asked questions

How should this motorcycle battery be charged?

With a 12 V motorcycle charger delivering at most 10 % of its capacity: 1.8 A for its 18 Ah. High-current car chargers can damage it. If the bike is laid up for the winter, keep it on a maintenance charger.

Does it need maintenance?

Yes: it is a conventional lead-acid battery. Check the electrolyte level from time to time and, if it drops, top up with distilled water to the mark.

How many years does this battery last?

There is no exact figure: for a battery such as the Varta 51814 (conventional), a reasonable guide is 3 to 5 years, keeping it charged when the bike is not in use. It can vary considerably with usage (short or long journeys), temperature, the condition of the alternator and charging system, power drawn with the engine off and maintenance. Cold demands more at every start and intense heat evaporates the electrolyte.

What are the measurements of the 51814 model?

Its dimensions are 186×82×171 mm, also written 186x82x171 mm; the height already includes the terminals. Check the room available in your motorcycle, because a single millimetre too much can stop the clamp from closing.

Which side is the positive terminal on this battery?

It has the positive on the right (polarity). Put it in front of you, terminals towards you: the post with the red ring and the + sign is the positive. Compare it with the battery you are replacing: if it does not match, cables must be lengthened or the system reconfigured, with a risk of short circuit.

Will the Varta 51814 battery fit my motorcycle?

The 51814 typically fits a wide range of European vehicles thanks to its standard DIN case format. Not sure? Try your number plate in the finder (DGT/DVLA/KBA detect model and engine) or the "Compatible vehicles" tab, checked by our technical team; if your motorcycle is not there, send us make, model, engine and year on WhatsApp and we will reply during business hours (Mon–Fri 10:00–13:30 and 16:30–18:00 (Spanish time, CET)). Always cross-check with what the motorcycle manufacturer states in the owner's handbook.

Which batteries are equivalent to the Varta 51814?

A battery interchangeable with the Varta 51814 must match it on dimensions (186×82×171 mm), polarity (positive on the right), capacity (18 Ah) and cranking current (240 A). The "Equivalents" section of this page gathers the recommended options with equivalent performance.

Varta 51814 or Varta 51814: which one to choose?

It has the same dimensions, voltage and technology as the 51814, although it is not a manufacturer-approved equivalent. Compared with the 51814 it has 140 A of cold cranking less. It costs €145.60 more. Check the positive terminal side and the original capacity before ordering; otherwise it is a straight swap.

Varta 51814 or Varta 51913: which one to choose?

It has the same dimensions, voltage and technology as the 51814, although it is not a manufacturer-approved equivalent. Compared with the 51814 it has 1 Ah more and 140 A of cold cranking less. It costs €146.20 more. Check the positive terminal side and the original capacity before ordering; otherwise it is a straight swap.


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