YT9A Battery Cross Reference
A YT9A is a conventional (flooded, serviceable). It fits 45 powersports models in our data, and a lithium drop-in is made in the same case size.
AGM is the safe like-for-like: cheapest, tolerant of standard chargers and trickle tenders, and heavier. Lithium (LiFePO4) drop-ins in the same case size cut weight by roughly 60-70%, hold voltage better, and self-discharge far slower - but they cost more and need a lithium-aware charger, not an old lead-acid trickle charger.
Buy the battery for your YT9A battery
AGM is the safe like-for-like: cheapest, tolerant of standard chargers and trickle tenders, and heavier. Lithium (LiFePO4) drop-ins in the same case size cut weight by roughly 60-70%, hold voltage better, and self-discharge far slower - but they cost more and need a lithium-aware charger, not an old lead-acid trickle charger.
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What takes a YT9A
Motorcycle
Scooter
ATV
Snowmobile
Frequently asked
What vehicles use a YT9A battery?
A YT9A fits 45 powersports models in our data, including the Aprilia AF1 / Futura, Aprilia Classic, Aprilia Pegaso. It is a conventional (flooded, serviceable).
Is there a lithium equivalent to the YT9A?
Yes. LiFePO4 lithium drop-ins are made in the YT9A case size, so they fit the same tray and terminals. They weigh far less and last longer, but need a lithium-aware charger.
What does the YT9A code mean?
YT9A is a standard powersports battery case-size code that fixes the physical fit, terminal layout, and capacity.