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LithiumBatteryz

KTM 500 EXC-F Battery

2017–2026. The OEM battery case the 500 EXC-F 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 KTM 500 EXC-F

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OEM battery
ATZ5-XManufacturer fitment list
Case family
YTZ712V starter case
This battery fits
2026other years take a different case

The KTM 500 EXC-F takes the ATZ5-X case. The Antigravity ATZ-7 RE-START is a drop-in for that case: 150 cranking amps, 1.3 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATZ-7

500 EXC-F battery by model year

2017–2022OEM batteryATZ5-X12V starter caseWhere it comes fromManufacturer fitment listLithium that fitsAntigravity ATZ-7 RE-START →Antigravity ATZ5-X →
2023–2025OEM batteryATZ5-X12V starter caseWhere it comes fromManufacturer fitment listLithium that fitsAntigravity ATZ5-X →
2026Your year · 2026OEM batteryATZ5-X12V starter caseWhere it comes fromManufacturer fitment listLithium that fitsAntigravity ATZ-7 RE-START →Antigravity ATZ5-X →

Trim covered: 500 EXC-F.

Shop all KTM Dirt Bike batteries

What the 500 EXC-F needs, in plain English

Every 500 EXC-F from the first 2017 model through 2026 starts on the ATZ5-X case, a 12-volt starter battery. KTM 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 ATZ-7 RE-START: 150 cranking amps, 1.3 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 KTM 500 EXC-F take?+
The ATZ5-X case, the same one on every 500 EXC-F from 2017 to 2026. The Antigravity ATZ-7 RE-START is the lithium drop-in for it.
Will a lithium battery work in a 500 EXC-F 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 dirt bike batteries include.
Do I need a different charger for a lithium dirt bike 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.