BMW F750GS Battery

2018–2023. The OEM battery case the F750GS takes and the lithium that drops into it, year by year. One case across the whole run.

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2023 BMW F750GS

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OEM battery: YTX12-BSOEM parts catalog
Case family: YTX1212V starter case
Fits all years: 2018–2023same case every year

The BMW F750GS takes the YTX12-BS 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)

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Antigravity

Antigravity ATX12 12V Motorcycle Battery 360CA (w/ Re-Start)

Antigravity ATX12-HD 12V Motorcycle Battery 480CA (w/ Re-Start)

F750GS battery by model year

Model years	OEM battery	Where it comes from	Lithium that fits
2018–2023Your year · 2023	OEM batteryYTX12-BS12V starter case	Where it comes fromOEM parts cataloga battery fitment list agrees	Lithium that fitsIonic S4 Antigravity ATX12 RE-START Antigravity ATX12-HD RE-START

Trim covered: F750GS.

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What the F750GS needs

Every F750GS from the first 2018 model through 2023 starts on the YTX12-BS case, a 12-volt starter battery. BMW 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 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 BMW F750GS take?+

The YTX12-BS case, the same one on every F750GS from 2018 to 2023. The Ionic S4 is the lithium drop-in for it.

Will a lithium battery work in an F750GS 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.