Fulbat

Fulbat F50-N18L-A3 · Motorcycle battery 12V 21.1Ah 260A

Reference: BOL-FULBAT-F50-N18L-A3

Fulbat F50-N18L-A3: 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-A3 at a glance

The Fulbat F50-N18L-A3 is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. With 21.1 Ah, the F50-N18L-A3 suits motorcycles and scooters that had a battery of that capacity.

At 21.1 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The F50-N18L-A3 belongs to the Fulbat FULBAT Motorcycle DRY range. The full range of Fulbat batteries

Equivalents and alternatives to the Fulbat F50-N18L-A3

Batteries that fit the F50-N18L-A3's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the F50-N18L-A3.

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-A / 12N18-3ALead-acid21.1 Ah260 A205 × 90 × 162

Fulbat F50-N18L-A3 vs FTX24HL-BS and FB16AL-A2: differences

What sets the F50-N18L-A3 apart from its neighbours in the Fulbat range:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Fulbat F50-N18L-A3 (this one)21.1 Ah260 A205 × 90 × 162right6.61 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).

Before ordering the F50-N18L-A3, check this

  • Cold cranking: 260 A (EN), equal to or higher than the original.
  • Capacity of the F50-N18L-A3: 21.1 Ah; the same as your current battery or slightly more is fine.
  • The F50-N18L-A3 has the positive terminal on the right: compare it with your current battery.
  • Length, width and height of the F50-N18L-A3: 205 × 90 × 162 mm.

Frequently asked questions about the Fulbat F50-N18L-A3

F50-N18L-A3 or FTX24HL-BS: which one suits me?

Compared with the F50-N18L-A3, 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-A3 is enough. Mind the space: the FTX24HL-BS measures 205 × 87 × 162 mm.

How much does the Fulbat F50-N18L-A3 weigh?

6.61 kg, with 21.1 Ah of capacity. For reference, the Fulbat FTX24HL-BS (22.1 Ah) weighs 7.34 kg.

Which battery is equivalent to the Fulbat F50-N18L-A3?

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-A3 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-A3?

On the F50-N18L-A3, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

How do I stop the motorcycle battery going flat in winter?

Connect it to a maintenance charger or disconnect it if the bike will sit for more than a month. A flat motorcycle battery sulphates in a few weeks.

What it means that the F50-N18L-A3 is lead-acid

The F50-N18L-A3 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the F50-N18L-A3 needs no special registration: just connect it.

Other options if you are unsure about the F50-N18L-A3

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