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Fulbat 12N5.5-3B · Motorcycle battery 12V 5.8Ah 55A

Specifications

BrandFULBAT
Part number12N5.5-3B
Voltage (V)12V
Capacity (C20)5.80Ah
Capacity (C10)5.50Ah (c10)
Cold cranking amps (EN)55A
TechnologyLead-acid
Length135mm
Width60mm
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Fulbat 12N5.5-3B 12V 5,8Ah 55A 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
Voltage
12 V
Capacity
5,8 Ah C20
Cold cranking
55 A EN-1
Dimensions
135×60×130 mm
Technology
Lead-acid
Polarity
Positive on the right
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Motorcycle battery Fulbat 12N5.5-3B 5.8Ah 55A 12V

12VVoltage
5.8AhCapacity
55ACold cranking

The Fulbat 12N5.5-3B motorcycle battery is rated at 12 V, 5.8 Ah and 55 A of cold cranking current (EN), and is designed for motorcycles, scooters, quads and personal watercraft. Its 135 × 60 × 130 mm and the positive terminal on the right make it the exact replacement for the 5.8 Ah battery fitted as standard to many motorcycles.

  • Compact and lightweight format.
  • Holds its charge through winter storage.
  • Sealed and ready to fit, no acid handling.
  • Good balance of capacity, cranking power and price.

Size, terminals and hold-down of the Fulbat 12N5.5-3B

The Fulbat 12N5.5-3B is made in the 135 × 60 × 130 mm format. The positive terminal on the right decides which side the cables end up on: it is the detail that causes most buying mistakes, so check it before ordering. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

What the Fulbat 12N5.5-3B is for

With 5.8 Ah, the Fulbat 12N5.5-3B covers the starting of motorcycles, scooters, quads and personal watercraft. The JIS code on your current battery label is the safest way to confirm equivalence.

Technology inside the Fulbat 12N5.5-3B

The 12N5.5-3B is one of the Fulbat references for this type of use; it shares the same manufacturing and quality-control criteria as the rest of the brand's catalogue.

The conventional lead-acid battery remains the most widespread technology thanks to its balance of capacity, cranking current and price. Well maintained and kept charged, it offers years of reliable service in vehicles without Start-Stop.

Fulbat: the maker behind the 12N5.5-3B

Fulbat has manufactured in France since 1978 and specialises in motorcycles and light vehicles. Its catalogue is short and clear, covers almost the whole fleet and works only with sealed, leak-free batteries. All the Fulbat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.

Warranty and coverage

The Fulbat 12N5.5-3B comes with the manufacturer's official warranty. The warranty does not cover discharge through prolonged inactivity: if the bike stands for months, use a trickle charger.

Usage and maintenance tips

Check the resting voltage before the season (above 12.6 V on a charged battery) and make sure the terminals are clean and tight. Avoid repeated cranking attempts on a cold bike for long: if it does not start on the third try, let the battery rest for a minute.

Delivery times and returns

Same-day dispatch from our warehouse for in-stock orders placed before 6:00 pm: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for 14 days if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.

  • Reference
    BCOM-FULBAT-12N5.5-3B

Data sheet

  • Brand
    FULBAT
  • Model
    FULBAT Motorcycle DRY
  • Voltage (V)
    12V
  • Length
    135mm
  • Width
    60mm
  • Height
    130mm
  • Technology
    Lead-acid
  • Terminal layout
    Positive right
  • Cold cranking amps (EN)
    55A
  • Capacity (C20)
    5.80Ah
  • Capacity (C10)
    5.50Ah (c10)

Specific References

  • MPN
    12N5.5-3B

Comparison: Fulbat 12N5.5-3B vs equivalents — alternatives with the same dimensions, Ah and CCA

The Fulbat 12N5.5-3B is interchangeable with these equivalent references: 12N5,5-3B (Exide). Higher-technology alternatives that can replace it: 12N5.5-3B GEL (Fulbat).

Product Specifications Technology Price
Fulbat 12N5.5-3B Fulbat 12N5.5-3B This battery
Exide 12N5,5-3B Exide 12N5,5-3B 12V 6Ah 45A Lead-acid €39.40
Fulbat 12N5.5-3B GEL Fulbat 12N5.5-3B GEL Upgrade €41.61

Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.

Recommended accessories — complement the Fulbat 12N5.5-3B with a charger or tester

Frequently asked questions

How is the Fulbat 12N5.5-3B battery installed in the vehicle?

In most motorcycles it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on our blog. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On motorcycles with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

What is the service life of the 12N5.5-3B model?

Expected lifespan of the Fulbat 12N5.5-3B is 4 to 7 years in regular use (depends on technology and climate). In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

What size is this battery?

Dimensions (length × width × height) are 135×60×130 mm — also written as 135x60x130 mm — following the European DIN standard. Always measure the space in your motorcycle before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

Is the 12N5.5-3B valid for my vehicle?

Three options to confirm: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The 12N5.5-3B typically fits a wide range of European vehicles thanks to its standard DIN case format.

What are the equivalents of the 12N5.5-3B model?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop motorcycles. See the "Equivalents" section to view recommended options at the same performance level.


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