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Polaris Sportsman XP 850 Battery

2009–2021. Polaris changed the Sportsman XP 850'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 machine.

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2021 Polaris Sportsman XP 850

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OEM battery
YTX20HLYuasa 2026 OEM guide
Case family
YTX20L12V starter case
This battery fits
2015–2021other years take a different case

The Polaris Sportsman XP 850 takes the YTX20HL case. The Antigravity ATX20 RE-START is a drop-in for that case: 680 cranking amps, 4 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATX20

Sportsman XP 850 battery by model year

2009OEM batteryYIX30L12V starter caseWhere it comes fromYuasa 2026 OEM guideAntigravity fitment list agreesLithium that fitsAntigravity ATX30 RE-START →Antigravity ATX30-HD →Ionic S7 →
2010–2014OEM batteryATX2012V starter caseWhere it comes fromManufacturer fitment listLithium that fitsAntigravity ATX20 RE-START →Antigravity ATX20-HD →Antigravity ATX30 RE-START →Antigravity ATX30-HD →Ionic S7 →Antigravity's list names the ATX20 for this model; Yuasa's guide names the YIX30L case for some trims. Go by the code on your old battery.
2015–2021Your year · 2021OEM batteryYTX20HL12V starter caseWhere it comes fromYuasa 2026 OEM guideAntigravity fitment list agreesLithium that fitsAntigravity ATX20 RE-START →Antigravity ATX20-HD →Ionic S6 →

5 trims covered: Sportsman XP 850 EFI, Sportsman XP 850 EFI w/EPS, Sportsman XP 850 HO, Sportsman XP 850 HO w/EPS, Sportsman XP 850 High Lifter.

Shop all Polaris ATV batteries

Why the year matters on this one

The Sportsman XP 850 is an ATV where the battery changed mid-run: 2009 takes the YIX30L, 2010 to 2014 the ATX20 and 2015 to 2021 the YTX20HL. The plate above names the source for each year, and the table shows every run we have on file, so match the year to the case before you order.

For 2015 to 2021 that means the Antigravity ATX20 RE-START: 680 cranking amps, 4 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 Sportsman XP 850 take?+
It depends on the year: 2009 takes the YIX30L, 2010 to 2014 the ATX20 and 2015 to 2021 the YTX20HL. For 2015 to 2021 that is the Antigravity ATX20 RE-START, the lithium drop-in for the YTX20HL case. The table above shows every run we have on file, so match your year to the case before you order.
Will a lithium battery work in a Sportsman XP 850 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 ATV batteries include, and match the terminal layout of the battery you are replacing.
Do I need a different charger for a lithium ATV 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.