Fulbat
Fulbat 12N5.5-4A · Motorcycle battery 12V 5.8Ah 55A
Reference: BOL-FULBAT-12N5.5-4A
The Fulbat 12N5.5-4A is a motorcycle battery with 12 V, 5.8 Ah and 55 A cold cranking current, measuring 135 × 60 × 130 mm, with the positive terminal on the left. Need the positive terminal on the right? The same battery is the Fulbat 12N5.5-3B.
Fulbat 12N5.5-4A · Motorcycle battery 12V 5.8Ah 55A images
- Voltage
- 12V
- Capacity
- 5.8Ah
- Cold cranking amps (EN)
- 55A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 135 × 60 × 130 mm
- Polarity
- Positive terminal on the left
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14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
Does it fit your vehicle? Check by number plate or VIN
Enter your number plate or chassis number (VIN): we check whether this battery is compatible with your vehicle.
Where the Fulbat 12N5.5-4A fits
The Fulbat 12N5.5-4A is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. It is worth keeping the 12N5.5-4A on a maintenance charger if the bike is laid up over winter.
At 5.8 Ah it is a small battery, typical of 50 to 125 cc scooters and light motorcycles. The 12N5.5-4A belongs to the Fulbat FULBAT Motorcycle DRY range. See all Fulbat batteries
Equivalents and alternatives to the Fulbat 12N5.5-4A
No other reference in the catalogue fully matches the dimensions and polarity of the 12N5.5-4A; you will find the closest ones among our motorcycle batteries.
Fulbat 12N5.5-4A vs FTX7A-BS and 12N5.5-3B: differences
How the 12N5.5-4A compares with Fulbat batteries of similar size and capacity:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Fulbat 12N5.5-4A (this one) | 5.8 Ah | 55 A | 135 × 60 × 130 | left | 2.27 kg |
| Fulbat FTX7A-BS | 6.3 Ah | 105 A | 150 × 87 × 93 | left | 2.51 kg |
| Fulbat 12N5.5-3B | 5.8 Ah | 55 A | 135 × 60 × 130 | right | 2.27 kg |
- Fulbat FTX7A-BS: 0.5 Ah more, 50 A more cranking power, a different case (150 × 87 × 93 mm), AGM technology.
- If the positive terminal of your battery is on the other side, the one you need is the Fulbat 12N5.5-3B (positive terminal on the right).
Check this before ordering the Fulbat 12N5.5-4A
- Check the EN amps on your battery: if it says 55 A or less, the 12N5.5-4A covers your engine.
- Your current battery should say about 5.8 Ah; a little more is also fine.
- The 12N5.5-4A has the positive terminal on the left: compare it with your current battery.
- The 12N5.5-4A needs 135 × 60 × 130 mm of space: measure it with the hold-down clamp in place.
Frequently asked questions about the Fulbat 12N5.5-4A
Fulbat 12N5.5-4A or FTX7A-BS?
Compared with the 12N5.5-4A, the Fulbat FTX7A-BS has 0.5 Ah more, 50 A more cranking power and AGM technology. If your current battery says 105 A or more, choose the FTX7A-BS; if it says 55 A or less, the 12N5.5-4A is enough. Mind the space: the FTX7A-BS measures 150 × 87 × 93 mm.
What is the difference between the Fulbat 12N5.5-4A and the 12N5.5-3B?
They are the same battery with the terminals swapped: positive terminal on the left on the 12N5.5-4A, positive terminal on the right on the 12N5.5-3B. Look at your current battery with the terminals facing you and pick the one that matches.
How much does the Fulbat 12N5.5-4A weigh?
The 12N5.5-4A weighs 2.27 kg. For reference, the Fulbat FTX7A-BS (6.3 Ah) weighs 2.51 kg.
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.
Inside the 12N5.5-4A: lead-acid technology
The 12N5.5-4A is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the 12N5.5-4A needs no special registration: just connect it.
Other options if you are unsure about the 12N5.5-4A
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