In short: Built for motorcycles and quads, the Fulbat FTX5L-BS carries the rating 4.2Ah 12V 80A. Check the terminal side, as this one has the positive on the right-hand side.
Is the Fulbat FTX5L-BS right for you?
If the code moulded into your old battery says Fulbat FTX5L-BS, you have found its twin. Terminal position decides as much as size in a bike's battery box. The Fulbat FTX5L-BS page sets out the details before any panel comes off.
A modest 4.2Ah keeps size and weight down for tight spaces. Big diesels and cold climates appreciate the 80A on offer here.
12VNominal voltage
4.2AhCapacity (C20)
80AStarting power (EN)
Will the Fulbat FTX5L-BS fit?
- ✓ With 4.2Ah of capacity, hold it up to the figure on the outgoing unit or in your equipment manual.
- ✓ Check the EN figure on your old label against 80A.
- ✓ Check that the alternator or controller suits AGM.
Full specifications of the Fulbat FTX5L-BS
BrandFulbat
ReferenceFTX5L-BS
SeriesFULBAT Motorcycle MF
Applicationmotorcycles and quads
Nominal voltage12V
Capacity (C20)4.2Ah
Starting power (EN)80A
ChemistryAGM
Outer measurements113 × 70 × 105 mm
Battery weight1.78 kg
Terminal polaritypositive on the right-hand side
Your questions answered
Is the Fulbat FTX5L-BS a heavy battery to fit?
It weighs 1.78 kg. Use the handle if fitted and lift with your legs, not your back.
Is the Fulbat FTX5L-BS strong enough for a diesel engine?
It delivers 80A. Compare with the value on your current battery; equal or higher is fine.
Will the Fulbat FTX5L-BS fit my tray and connect properly?
Measure your current battery and note its terminal position. This one is 113 × 70 × 105 mm, positive on the right-hand side.
AGM: how it works
Picture a sponge holding the acid: that is roughly how an AGM cell works. Many modern cars with brake energy recovery were designed around AGM from the start. Keep AGM terminals clean and tight.
Same case, same terminal side
If you prefer another make, these fit the same space with the same terminal side.
Exide AGM12-5Exide ETX5L-BSVarta YTX5L-4(FA)**Varta YTX5L-BSVarta TTZ7S-BS
Explore more
Everything on baterias.online is filed by brand and reference, so ordering the Fulbat FTX5L-BS is straightforward. If the terminal side or size differ, browse the alternatives before ordering.
Practical advice for motorcycles and quads
Jet skis spend most of the year parked, which is hard on a small battery. Lithium versions only like lithium charging programmes, so check yours before switching. Mismatched terminals are a common reason a new battery will not connect.
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