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Polaris RZR Trail 900 Battery

2020–2025. The OEM battery case the RZR Trail 900 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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2025 Polaris RZR Trail 900

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OEM battery
Group 26Manufacturer fitment list
Case family
Group 2612V starter case
Fits all years
2020–2025same case every year on file

The Polaris RZR Trail 900 takes the Group 26 case. The Antigravity Group 26 RE-START is a drop-in for that case: 850 cranking amps, 9 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity Group 26

RZR Trail 900 battery by model year

2020–2025Your year · 2025OEM batteryGroup 2612V starter caseWhere it comes fromManufacturer fitment listLithium that fitsAntigravity Group 26 RE-START →Antigravity Group 26 RE-START →

5 trims covered: RZR Trail 900 FOX Edition, RZR Trail 900 Premium, RZR Trail 900 Sport, RZR Trail S 900 Premium, RZR Trail S 900 Sport.

Shop all Polaris UTV batteries

What the RZR Trail 900 needs, in plain English

Every RZR Trail 900 from the first 2020 model through 2025 starts on the Group 26 case, a 12-volt starter battery. Polaris 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 Group 26 RE-START: 850 cranking amps, 9 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 Polaris RZR Trail 900 take?+
The Group 26 case, the same one on every RZR Trail 900 from 2020 to 2025. The Antigravity Group 26 RE-START is the lithium drop-in for it.
Will a lithium battery work in an RZR Trail 900 without changes?+
Yes, on a machine 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. Check that the stator and regulator hold a steady charge, fill any gap in the tray with the foam spacers most lithium UTV batteries include, and match the terminal layout of the battery you are replacing.
Do I need a different charger for a lithium UTV 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.