Quick answer: In a nutshell: Fulbat FTX9-BS, a battery for motorcycles and quads, rated 8.4Ah 12V 135A. Size and polarity decide most swaps, and both are listed on this page.
Is the Fulbat FTX9-BS right for you?
Spotted Fulbat FTX9-BS on your old battery? That code is the one to use. Capacity is 8.4Ah, which covers the starter, the lights and an alarm or tracker. At baterias.online, the code on the case leads straight to its replacement.
8.4Ah sits in the comfortable middle for motorcycles and quads.
12VVoltage
8.4AhCapacity (C20)
135ACold cranking current (EN)
Make sure it fits your vehicle or equipment
- ✓ Tape measure time: 150 × 87 × 105 mm is the footprint and height of this case. Leave a little clearance for the clamp and the cable lugs.
- ✓ Note which corner the plus post occupies on your old unit. Here it is positive on the left-hand side, and crossed cables rarely reach.
- ✓ Rated 8.4Ah: check that the charger or alternator in your system can refill a battery of that capacity in reasonable time.
Fulbat FTX9-BS data sheet
MakeFulbat
Model codeFTX9-BS
Product lineFULBAT Motorcycle MF
Applicationmotorcycles and quads
Voltage12V
Capacity (C20)8.4Ah
Cold cranking current (EN)135A
ChemistryAGM
Size L × W × H150 × 87 × 105 mm
Battery weight2.99 kg
Polaritypositive on the left-hand side
Common questions about the Fulbat FTX9-BS
Can you give me the size and weight of this battery?
At 150 × 87 × 105 mm, measure the tray or compartment carefully. Plan the lift too: 2.99 kg is heavier than it looks.
What do 8.4Ah and 135A mean for this battery?
The cranking figure is 135A, measured to the EN standard, and the capacity is 8.4Ah. If your engine is large or you live somewhere cold, choose the higher end of what your car allows.
What AGM means for you
Valve-regulated construction keeps an AGM case closed during normal life. AGM suits motorcycles and quads where a maintenance-free battery makes life easier. Over winter, a smart unit set to its AGM programme keeps a glass-mat battery healthy with no effort.
Other options with identical dimensions
Same format, different makers: these alternatives match the Fulbat FTX9-BS in size and layout.
Fulbat FTX9-BS GELVarta YTX9(FA)**
More options
Ordering the Fulbat FTX9-BS online at baterias.online is simple once the code checks out. Checking the terminal side takes ten seconds and saves a lot of bother.
Practical advice for motorcycles and quads
First sunny weekend of spring, and the bike that sat under a cover all winter just clicks. Keep the seat lock and side panel screws in a tray during the swap. Choosing a battery by size alone and ignoring terminal positions leads to cables that will not reach.
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