Fulbat

Fulbat FB30L-B · Motorcycle battery 12V 31.6Ah 300A

Reference: BOL-FULBAT-FB30L-B

The Fulbat FB30L-B is a motorcycle battery with 12 V, 31.6 Ah and 300 A cold cranking current, measuring 165 × 130 × 176 mm, with the positive terminal on the right.

Voltage
12V
Capacity
31.6Ah
Cold cranking amps (EN)
300A
Technology
Lead-acid
Dimensions (L × W × H)
165 × 130 × 176 mm
Polarity
Positive terminal on the right
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The Fulbat FB30L-B at a glance

The Fulbat FB30L-B is made for motorcycles, scooters and quads. It is worth keeping the FB30L-B on a maintenance charger if the bike is laid up over winter.

At 31.6 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. The FB30L-B belongs to the Fulbat FULBAT Motorcycle DRY range. See all Fulbat batteries

Fulbat FB30L-B codes and part numbers

This is how the Fulbat FB30L-B appears on the label and in parts catalogues:

Commercial referenceFB30L-B
Not to be confused withFulbat FB3L-B (3.2 Ah, 32 A)

Equivalents and alternatives to the Fulbat FB30L-B

Same dimensions and polarity as the FB30L-B, with similar capacity and cranking power; as a conventional battery, the FB30L-B can also be replaced by an EFB or AGM of the same size if you want more cycles.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Exide EB30L-BLead-acid30 Ah300 A165 × 130 × 175
Varta YB30L-BLead-acid30 Ah300 A165 × 132 × 176

Fulbat FB30L-B vs FIX30L-BS, FB30CL-B and 53030

How the FB30L-B compares with Fulbat batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Fulbat FB30L-B (this one)31.6 Ah300 A165 × 130 × 176right8.71 kg
Fulbat FIX30L-BS31.6 Ah400 A165 × 125 × 175right9.91 kg
Fulbat FB30CL-B31.6 Ah300 A165 × 130 × 192right8.75 kg
Fulbat 5303030 Ah300 A186 × 130 × 171right8.21 kg
  • Fulbat FIX30L-BS: the same capacity, 100 A more cranking power, a different case (165 × 125 × 175 mm), AGM technology.
  • Fulbat FB30CL-B: the same capacity, the same cranking power, a different height (192 mm instead of 176 mm). It only fits if there is room for 192 mm of height.
  • Fulbat 53030: 1.60 Ah less, the same cranking power, a different case (186 × 130 × 171 mm).

Before ordering the FB30L-B, check this

  • Cold cranking: 300 A (EN), equal to or higher than the original.
  • With 31.6 Ah, the FB30L-B replaces an original battery of that capacity or slightly less.
  • The FB30L-B has the positive terminal on the right: compare it with your current battery.
  • Length, width and height of the FB30L-B: 165 × 130 × 176 mm.

Frequently asked questions about the Fulbat FB30L-B

Fulbat FB30L-B or FIX30L-BS?

Compared with the FB30L-B, the Fulbat FIX30L-BS has 100 A more cranking power and AGM technology. If your current battery says 400 A or more, choose the FIX30L-BS; if it says 300 A or less, the FB30L-B is enough. Mind the space: the FIX30L-BS measures 165 × 125 × 175 mm.

Fulbat FB30L-B or FB30CL-B: what changes?

Mainly the height: the FB30L-B is 176 mm tall and the Fulbat FB30CL-B 192 mm, with the same length and width. In capacity and cranking power, the FB30CL-B offers 31.6 Ah and 300 A against 31.6 Ah and 300 A. Before choosing between the FB30L-B and the FB30CL-B, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the Fulbat FB30L-B weigh?

The FB30L-B weighs 8.71 kg. For reference, the Fulbat FIX30L-BS (31.6 Ah) weighs 9.91 kg.

Which battery is equivalent to the Fulbat FB30L-B?

With the same dimensions, polarity and similar capacity you have the Exide EB30L-B and Varta YB30L-B. As the FB30L-B is a conventional battery, an EFB or AGM of the same size also works.

Which side is the positive terminal on the Fulbat FB30L-B?

The FB30L-B has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

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.

Lead-acid technology in the FB30L-B

Inside, the FB30L-B is classic lead-acid: liquid electrolyte and lead plates. If the FB30L-B is left discharged for weeks it sulphates: a maintenance charger prevents this.

Keep comparing: alternatives to the FB30L-B

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