Kawasaki Vulcan S Battery

2015–2026. Kawasaki changed the Vulcan S's battery twice across the run. Pick your year and we show the case that year takes and the lithium that fits it. Change any box in the strip to look up another bike.

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2026 Kawasaki Vulcan S

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OEM battery: YTZ10SFactory manual
Case family: YTZ10S12V starter case
This battery fits: 2023–2026other years take a different case

The Kawasaki Vulcan S takes the YTZ10S case. The Ionic S4 is a drop-in for that case: 500 cranking amps, 3.3 lb.

See the Ionic S4

Fits your bike

Starter

Ionic

Ionic Lithium S4 12V Motorcycle Battery 500CA (Bluetooth)

Also fits your bike · 2 more

StarterYTZ10

Antigravity

Antigravity ATZ-10 12V Motorcycle Battery 360CA (w/ Re-Start)

Antigravity ATZ-10-HD 12V Motorcycle Battery 525CA (w/ Re-Start)

Vulcan S battery by model year

Model years	OEM battery	Where it comes from	Lithium that fits
2015	OEM batteryYTZ10S12V starter case	Where it comes fromFactory manuala battery fitment list agrees	Lithium that fitsIonic S4 Antigravity ATZ-10 RE-START Antigravity ATZ-10-HD RE-START
2016–2022	OEM batteryATZ1012V starter case	Where it comes fromManufacturer fitment list	Lithium that fitsIonic S4 Antigravity ATZ-10 RE-START Antigravity ATX12 RE-START Antigravity ATZ-10-HD RE-START Antigravity ATX12-HD RE-START Some trims take the YTX20CH-BS case instead; go by the code on your old battery.
2023–2026Your year · 2026	OEM batteryYTZ10S12V starter case	Where it comes fromFactory manuala battery fitment list agrees	Lithium that fitsIonic S4 Antigravity ATZ-10 RE-START Antigravity ATZ-10-HD RE-START

5 trims covered: Vulcan S VN650, Vulcan S VN650 ABS, Vulcan S VN650 ABS SE, Vulcan S VN650 Cafe ABS, Vulcan VN650.

Shop all Kawasaki batteries

Why the year matters on this one

The Vulcan S is a motorcycle where the battery changed mid-run: 2015 takes the YTZ10S, 2016 to 2022 the ATZ10 and 2023 to 2026 the YTZ10S. The plate above names the source for each year, and the table shows each run, so match the year to the case before you order.

For 2023 to 2026 that means the Ionic S4: 500 cranking amps, 3.3 pounds, the same case in lithium. Charge it with a lithium-compatible charger or maintainer for the off-season and it outlasts the lead-acid battery it replaces by years.

What size battery does a Kawasaki Vulcan S take?+

It depends on the year: 2015 takes the YTZ10S, 2016 to 2022 the ATZ10 and 2023 to 2026 the YTZ10S. For 2023 to 2026 that is the Ionic S4, the lithium drop-in for the YTZ10S case. The table above shows each run, so match your year to the case before you order.

Will a lithium battery work in a Vulcan S without changes?+

Yes, on a bike with a healthy charging system: the lithium battery uses the same case, the same posts and the same cables, and it drops in where the lead-acid battery sat. Bikes older than about 2000 should have their voltage regulator and rectifier checked first, since a failing one overcharges any battery and lithium tolerates it less. Fill any gap in the tray with the foam spacers most lithium motorcycle batteries include.

Do I need a different charger for a lithium motorcycle battery?+

Use a charger or maintainer with a lithium (LiFePO4) mode. A lead-acid trickle charger can push the wrong voltage profile, and a desulfation mode can damage a lithium pack. A lithium-profile maintainer over the off-season keeps it topped without harm, and the battery loses only a few percent of charge a month sitting on its own.