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Exide 12N7-3B · Motorcycle battery 12V 7Ah 75A

Specifications

BrandEXIDE
Part number12N7-3B
Voltage (V)12
Capacity (C20)7Ah (c20)
Cold cranking amps (EN)75A
TechnologyFlooded
Length135.00 mm
Width75.00 mm
Height135.00 mm
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Exide 12N7-3B 12V 7Ah 75A 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
7 Ah C20
Cold cranking
75 A EN-1
Dimensions
135×75×135 mm
Technology
Lead-acid
Polarity
Positive on the right
Weight
2,9 kg
Model
EXIDE Conventional
Mfr. reference
12N7-3B
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Motorcycle battery Exide 12N7-3B Conventional 7Ah 75A 12V

12VVoltage
7AhCapacity
75ACold cranking
2.90kgWeight

The Exide 12N7-3B from the Conventional range is a motorcycle battery with 7 Ah and 75 A of cold cranking current (EN), designed for motorcycles, scooters, quads and personal watercraft. Its 135 × 75 × 135 mm and the positive terminal on the right make it the exact replacement for the 7 Ah battery fitted as standard to many motorcycles.

In short: the Exide 12N7-3B (7 Ah, 75 A, 135 × 75 × 135 mm, positive terminal on the right). Verified equivalent alternatives: Exide EB7L-B and Exide 12N9-3B.

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

What the Exide 12N7-3B is for

With 7 Ah, the Exide 12N7-3B 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. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 2.90 kg, M06 terminals and B0 hold-down.

The Exide 12N7-3B: Conventional range and conventional lead-acid technology

The 12N7-3B is part of the Exide Conventional range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.

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.

Dimensions, polarity and mounting

It has external dimensions of 135 × 75 × 135 mm and weighs 2.90 kg. 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. It uses a B0 hold-down and M06 terminals, the system that anchors and connects it in the vehicle. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.

Exide: the maker behind the 12N7-3B

Exide is one of the world's largest battery manufacturers and an original-equipment supplier to many car makers. Its European plants produce starter, industrial and leisure batteries under original-equipment quality controls. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

Care and maintenance

On batteries with filler caps, check the electrolyte level and top up only with distilled water. If the bike spends the winter standing, connect a trickle charger: deep discharge through inactivity is the first cause of premature failure.

Manufacturer's warranty

The Exide 12N7-3B 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.

When you get it and how to return it

Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.

  • Reference
    BCOM-EXIDE-12N7-3B

Data sheet

  • Brand
    EXIDE
  • Reference
    12N7-3B
  • Model
    EXIDE Conventional
  • Voltage (V)
    12
  • Length
    135.00 mm
  • Width
    75.00 mm
  • Height
    135.00 mm
  • Weight
    2.90 Kgs
  • Technology
    Flooded
  • EAN
    3661024033190
  • Terminal layout
    Positive terminal on the right
  • Terminal type
    M06
  • Hold-down
    B0
  • Cold cranking amps (EN)
    75A
  • Capacity (C20)
    7Ah (c20)
  • Case type
    C42

Specific References

  • EAN13
    3661024033190
  • MPN
    12N7-3B

Codes and references Exide 12N7-3B

Brand Exide · see all Exide batteries
Manufacturer range EXIDE Conventional
Manufacturer part number (MPN) 12N7-3B
Also known as 12N73B · 12N7 3B
EAN-13 barcode 3661024033190
Dimensions (length × width × height) 135 × 75 × 135 mm (135x75x135)

Comparison: Exide 12N7-3B vs equivalents — alternatives with the same dimensions, Ah and CCA

The Exide 12N7-3B is interchangeable with these equivalent references: EB7L-B (Exide), 12N9-3B (Exide). Higher-technology alternatives that can replace it: FB7L-B/B2 GEL (Fulbat).

Product Specifications Technology Price
Exide 12N7-3B Exide 12N7-3B This battery 12V 7Ah 75A Lead-acid
Exide EB7L-B Exide EB7L-B 12V 8Ah 85A Lead-acid €45.20
Exide 12N9-3B Exide 12N9-3B 12V 9Ah 85A Lead-acid €47.50
Fulbat FB7L-B/B2 GEL Fulbat FB7L-B/B2 GEL Upgrade €53.22

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

Recommended accessories — complement the Exide 12N7-3B with a charger or tester

Frequently asked questions

How do I change this battery step by step?

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 — with positive on the right 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 12N7-3B model?

Expected lifespan of the Exide 12N7-3B 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 are the dimensions of the Exide 12N7-3B battery?

Dimensions (length × width × height) are 135×75×135 mm — also written as 135x75x135 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.

What polarity does the Exide 12N7-3B battery have?

Polarity: positive on the right. To identify it, place the battery in front of you with the terminals facing you and check which side the positive (+, marked with a red ring) is on. Before buying, verify the polarity matches your current battery: switching polarity forces longer cables or system reconfiguration, with short-circuit risk.

Will the Exide 12N7-3B battery fit my motorcycle?

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 12N7-3B typically fits a wide range of European vehicles thanks to its standard DIN case format.

What are the equivalents of the 12N7-3B 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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