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Harley-Davidson Road Glide ST Battery

2022–2026. The OEM battery case the Road Glide ST takes, the lithium that drops into it, and every model year we have on file. One case across the whole run.

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2026 Harley-Davidson Road Glide ST

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OEM battery
YIX30L-BSYuasa 2026 OEM guide
Case family
YIX30L12V starter case
Fits all years
2022–2026same case every year on file

The Harley-Davidson Road Glide ST takes the YIX30L-BS case. The Antigravity ATX30 RE-START is a drop-in for that case: 880 cranking amps, 6 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATX30

Road Glide ST battery by model year

2022–2026Your year · 2026OEM batteryYIX30L-BS12V starter caseWhere it comes fromYuasa 2026 OEM guideAntigravity fitment list agreesLithium that fitsAntigravity ATX30 RE-START →Antigravity ATX30-HD →Ionic S7 →

3 trims covered: CVO Road Glide ST FLTRXSTSE, Road Glide CVO ST FLTRXSTSE, Road Glide ST FLTRXST.

Shop all Harley-Davidson batteries

What the Road Glide ST needs, in plain English

Every Road Glide ST from the first 2022 model through 2026 starts on the YIX30L-BS case, a 12-volt starter battery. Harley-Davidson ships it with a lead-acid battery that starts to fade after two or three seasons of short rides and off-season storage, and that is usually the day a rider goes looking for something better.

The lithium drop-in is the Antigravity ATX30 RE-START: 880 cranking amps, 6 pounds, the same case in lithium. Its RE-START function puts the battery to sleep before a parasitic draw can drain it, then wakes it with one press for a jump start. 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 Harley-Davidson Road Glide ST take?+
The YIX30L-BS case, the same one on every Road Glide ST from 2022 to 2026. The Antigravity ATX30 RE-START is the lithium drop-in for it.
Will a lithium battery work in a Road Glide ST 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.