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Built, charged, and checked by techs. Drops in and works.
Orders placed by 2pm ET ship the same business day (Mon–Fri). Weekend & holiday orders ship the next business day.
Match your current battery code (e.g., YTX9B-BS), size, and terminal type — or send a message to our team via chat and we’ll confirm fit before it ships.

We don’t rush batteries out the door. We do five things so it works when you turn the key:
Pro Tip: Our batteries can last 8–12 years when you plug in a smart maintainer after you park.
Learn more about our process → Super Charged Battery
Direct replacements: YTX9B-BS, BTX9B-BS, DTX9B-BS, ETX9B-BS, ATX9B-BS, WPX9B-BS, MS12-9B-BS, ES9B-BS, ET9B-BS, WP9B-4, PT9B-4, GT9B-4, YT9B-BS, CTX9B-BS, and more.
Need help? Send a message to our team via chat and we’ll make sure you get the right battery for your machine.
Install tip: This size uses a Type 11 threaded-stud terminal. Snug the screws; don’t overtighten.
Machines sit. A BRS612 keeps the battery topped up so it starts on the first push and can last 8–12 years when you plug in after rides.
Details: BRS612 product page
Battery: 30-Day Full Replacement — no proration, no hassle. If it fails within 30 days, we replace it.
Digital books are delivered by email after purchase.
No. It ships charged and ready.
Machines sit. A maintainer keeps it topped so it starts when you need it and helps maximize lifespan.
On the face label (e.g., YTX9B-BS). This BRS9B-BS replaces that size.
We soak, form, and test each one. No acid splash-and-dash. That’s why it cranks harder and holds charge longer.
Our Super Charged AGM performs in tough weather. For maximum reliability in winter, keep the battery on a maintainer when parked.