Fulbat B38-6A GEL: motorbike and ATV starter battery 13.7Ah 6V 105A
Replacement Fulbat B38-6A GEL for motorcycles and quads. All published figures are listed below.
- Volts: 6V
- Capacity, 20-hour rate (C20): 13.7Ah
- Cold cranking amps: 105A
- Outer measurements: 119 × 83 × 161 mm
- Chemistry: Gel
Summary: What you are looking at: the Fulbat B38-6A GEL, a 13.7Ah 6V 105A battery for motorcycles and quads. Measure twice, order once: dimensions decide most swaps.
Fulbat B38-6A GEL in everyday use
Off-road bikes shake their batteries hard on every rutted track. Photograph the cable routing before removing the old battery, especially where leads run under the frame. Mismatched terminals are a common reason a new battery will not connect.
Technical figures at a glance
| Brand | Fulbat |
| Reference | B38-6A GEL |
| Product line | FULBAT Motorcycle GEL |
| Application | motorcycles and quads |
| Volts | 6V |
| Capacity, 20-hour rate (C20) | 13.7Ah |
| Cold cranking amps | 105A |
| Chemistry | Gel |
| Outer measurements | 119 × 83 × 161 mm |
| Weight | 2.35 kg |
| Positive terminal | positive on the right-hand side |
How gel batteries work and how to look after them
Gel batteries are sealed and valve-regulated, much like AGM. Gel batteries lose little charge on the shelf, which suits seasonal equipment. Do not equalise gel batteries.
Questions and answers
Can I connect several of these in series or parallel?
It is rated 6V and 13.7Ah. Check your equipment's voltage first: a mismatch can damage electronics or simply not work.
Does the Fulbat B38-6A GEL have left or right-hand polarity?
Polarity: positive on the right-hand side. Face the long side with the posts nearest you to compare.
Can I use my usual charger with this battery?
Look at the sticker on the battery you have now. If it also says gel, this is a like-for-like choice. If not, check your vehicle or system can handle the change.
Are there other sizes in the same series?
Yes, FULBAT Motorcycle GEL includes other sizes. The brand page lists them.
About the Fulbat B38-6A GEL
Riding a bike that takes a Fulbat B38-6A GEL? This is the page. Terminal positions, dimensions and ratings for the Fulbat B38-6A GEL are all in the table below. Comparing batteries online is easier with the old battery on the workbench next to you.
With 13.7Ah, capacity is typical of batteries for motorcycles and quads. Lifting it in is easy at 2.35 kg, light for a battery of this capacity.
Related products and ranges
Prefer to order now and fit at the weekend? baterias.online makes that easy. Writing the fitting date on the battery helps when planning the next replacement.
Quick compatibility checklist
- ✓ Mirror-image layouts exist; this one is positive on the right-hand side.
- ✓ Amp-hours: 13.7Ah. More capacity means more reserve for accessories and slower discharge when parked.
- ✓ Cold cranking current reaches 105A. It ought to equal the carmaker's requirement at minimum, more so for diesels in cold winters.
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BrandFulbat
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Product lineFULBAT Motorcycle GEL
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Used forMotorcycles and quads
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Battery technologyGel
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Nominal voltage6V
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Capacity, 20-hour rate13.7Ah
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Cold cranking current (EN)105A
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Length119 mm
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Width83 mm
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Height161 mm
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Weight2.35 kg
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Terminal polarityPositive on the right-hand side
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