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Triumph Sprint ST 1050 Battery

2005–2010. The OEM battery case the Sprint ST 1050 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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2010 Triumph Sprint ST 1050

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OEM battery
YTX12-BSYuasa 2026 OEM guide
Case family
YTX1212V starter case
Fits all years
2005–2010same case every year on file

The Triumph Sprint ST 1050 takes the YTX12-BS case. The Antigravity ATX12 RE-START is a drop-in for that case: 360 cranking amps, 3 lb, a built-in jump start that saves enough charge to get you home.

See the Antigravity ATX12

Sprint ST 1050 battery by model year

2005–2010Your year · 2010OEM batteryYTX12-BS12V starter caseWhere it comes fromYuasa 2026 OEM guideLithium that fitsAntigravity ATX12 RE-START →Antigravity ATX12-HD RE-START →Ionic S4 →

Trim covered: Sprint ST 1050 (Std/ABS).

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What the Sprint ST 1050 needs, in plain English

Every Sprint ST 1050 from the first 2005 model through 2010 starts on the YTX12-BS case, a 12-volt starter battery. Triumph 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 ATX12 RE-START: 360 cranking amps, 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 Triumph Sprint ST 1050 take?+
The YTX12-BS case, the same one on every Sprint ST 1050 from 2005 to 2010. The Antigravity ATX12 RE-START is the lithium drop-in for it.
Will a lithium battery work in a Sprint ST 1050 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.