Fulbat

Fulbat F50-N18L-A / 12N18-3A · Motorcycle battery 12V 21.1Ah 260A

Reference: BOL-FULBAT-F50-N18L-A / 12N18-3A

The Fulbat F50-N18L-A / 12N18-3A is a motorcycle battery with 12 V, 21.1 Ah and 260 A cold cranking current, measuring 205 × 90 × 162 mm, with the positive terminal on the right.

Voltage
12V
Capacity
21.1Ah
Cold cranking amps (EN)
260A
Technology
Lead-acid
Dimensions (L × W × H)
205 × 90 × 162 mm
Polarity
Positive terminal on the right
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The Fulbat F50-N18L-A / 12N18-3A at a glance

The Fulbat F50-N18L-A / 12N18-3A is made for motorcycles, scooters and quads. It is worth keeping the F50-N18L-A / 12N18-3A on a maintenance charger if the bike is laid up over winter.

At 21.1 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The F50-N18L-A / 12N18-3A belongs to the Fulbat FULBAT Motorcycle DRY range. More Fulbat batteries

Equivalents and alternatives to the Fulbat F50-N18L-A / 12N18-3A

Same dimensions and polarity as the F50-N18L-A / 12N18-3A, with similar capacity and cranking power; as a conventional battery, the F50-N18L-A / 12N18-3A can also be replaced by an EFB or AGM of the same size if you want more cycles.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Varta SY50-N18L-ATLead-acid20 Ah260 A205 × 90 × 162
Exide E50-N18L-ALead-acid20 Ah260 A205 × 90 × 165
Exide E50-N18L-A3Lead-acid20 Ah260 A205 × 90 × 165
Varta Y50-N18L-ALead-acid20 Ah260 A207 × 92 × 164
Fulbat F50-N18L-A3Lead-acid21.1 Ah260 A205 × 90 × 162

Fulbat F50-N18L-A vs FTX24HL-BS and FB16AL-A2: which one to choose?

Torn between the F50-N18L-A / 12N18-3A and another similar Fulbat? This is what changes:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Fulbat F50-N18L-A / 12N18-3A (this one)21.1 Ah260 A205 × 90 × 162right5.95 kg
Fulbat FTX24HL-BS22.1 Ah350 A205 × 87 × 162right7.34 kg
Fulbat FB16AL-A216.8 Ah210 A207 × 71 × 164right5.78 kg
  • Fulbat FTX24HL-BS: 1 Ah more, 90 A more cranking power, a different case (205 × 87 × 162 mm), AGM technology.
  • Fulbat FB16AL-A2: 4.30 Ah less, 50 A less cranking power, a different case (207 × 71 × 164 mm).

What to look at before buying the F50-N18L-A / 12N18-3A

  • The F50-N18L-A / 12N18-3A needs 205 × 90 × 162 mm of space: measure it with the hold-down clamp in place.
  • With the terminals facing you, the positive terminal of the F50-N18L-A / 12N18-3A is on the right.
  • Capacity of the F50-N18L-A / 12N18-3A: 21.1 Ah; the same as your current battery or slightly more is fine.
  • Cold cranking: 260 A (EN), equal to or higher than the original.

Frequently asked questions about the Fulbat F50-N18L-A / 12N18-3A

Fulbat F50-N18L-A / 12N18-3A or FTX24HL-BS?

Compared with the F50-N18L-A / 12N18-3A, the Fulbat FTX24HL-BS has 1 Ah more, 90 A more cranking power and AGM technology. If your current battery says 350 A or more, choose the FTX24HL-BS; if it says 260 A or less, the F50-N18L-A / 12N18-3A is enough. Mind the space: the FTX24HL-BS measures 205 × 87 × 162 mm.

How much does the Fulbat F50-N18L-A / 12N18-3A weigh?

The F50-N18L-A / 12N18-3A weighs 5.95 kg. For reference, the Fulbat FTX24HL-BS (22.1 Ah) weighs 7.34 kg.

Which battery is equivalent to the Fulbat F50-N18L-A / 12N18-3A?

With the same dimensions, polarity and similar capacity you have the Varta SY50-N18L-AT, Exide E50-N18L-A and Exide E50-N18L-A3. As the F50-N18L-A / 12N18-3A is a conventional battery, an EFB or AGM of the same size also works.

Which side is the positive terminal on the Fulbat F50-N18L-A / 12N18-3A?

The F50-N18L-A / 12N18-3A has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

Does the Fulbat F50-N18L-A / 12N18-3A come charged and ready to fit?

Sealed AGM and gel batteries leave the factory charged and ready. Conventional ones with a separate acid pack are activated when filled and should be charged before fitting.

Inside the F50-N18L-A / 12N18-3A: lead-acid technology

Inside, the F50-N18L-A / 12N18-3A is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

Other options if you are unsure about the F50-N18L-A / 12N18-3A

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