ProductContent
BRS9B-BS 12v 9AH 140CCA 30 Day Warranty
BRS9B-BS 12v 9AH 140CCA 30 Day Warranty
BRS9B-BS — Sealed AGM Powersports Battery (12V · 9Ah · 140CCA) — 30-Day Warranty
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.
Quick Specs
- Tech: Sealed AGM (VRLA), maintenance-free
- Voltage: 12V
- Capacity (10hr): 9Ah
- CCA (0°F): 140
- Size (L×W×H): 5.87″ × 2.80″ × 4.12″ (149.1 × 71.1 × 104.6 mm)
- Terminal: Type 11 (threaded stud, side-mount)
- Weight: 7.83 lb (3.55 kg)
- Replaces: 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, more
- Warranty: Battery 30-Day Full Replacement — No Proration
Not sure this fits your machine?
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.
What You’ll Notice
- Cold starts: Plates are formed right, so it spins the starter instead of clicking.
- Holds charge: Park it all week and it still fires when you’re ready to ride.
- Rough use: AGM shrugs off washboard roads, vibration, and trail hits.
- No mess: Sealed and maintenance-free. No acid, no water to add.







Our Super Charging ProcessLearn more
We don’t rush batteries out the door. We do five things so it works when you turn the key:
- Fill with 1.265 SG electrolyte to spec.
- Let it soak for full glass-mat absorption.
- Slow, high-frequency forming charge (~900 mA) to form the plates.
- Rest and verify it holds 12.6–12.8V.
- Final QC. Ships ready to install.
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
Built for Real-World RidingView
- Cold starts: strong crank in bad weather when it’s kept charged.
- Accessories: runs winches/lights better when the bike’s charging is healthy.
- Vibration: AGM construction handles washboard and trails.
- Mounting: mount upright or on its side. Don’t mount upside down.
- Storage: if it sits, keep it on a maintainer so it’s ready next season.
OEM Compatibility (Model Numbers)View
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.
Recommended Maintainer: BRS612 Smart ChargerView
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.



- Model: BRS612 (6V/12V · 1000 mA)
- 3-stage charging, then maintenance; protections for short, reverse polarity, overload
- Charger Warranty: 1-Year Manufacturer’s Warranty
Details: BRS612 product page
Worry-Free WarrantyView
Battery: 30-Day Full Replacement — no proration, no hassle. If it fails within 30 days, we replace it.
Full Technical SpecsView
- Chemistry: Lead Acid AGM / VRLA (Pb)
- Nominal Voltage: 12V
- Capacity (Ah @10hr): 9Ah
- CCA: 140
- Dimensions: 5.87″ L × 2.80″ W × 4.12″ H (149.1 × 71.1 × 104.6 mm)
- Terminals: Type 11 (threaded stud)
- Weight: 7.83 lb (3.55 kg)
- Brand: BRS Battery Ltd. / BRS SuperBattery
🎁 Free Digital Bonuses (E-Books)View
Digital books are delivered by email after purchase.



FAQAnswers
Do I need to charge it before installing?
No. It ships charged and ready.
Why use a maintainer?
Machines sit. A maintainer keeps it topped so it starts when you need it and helps maximize lifespan.
Where’s my model number?
On the face label (e.g., YTX9B-BS). This BRS9B-BS replaces that size.
How is this different from a cheap battery?
We soak, form, and test each one. No acid splash-and-dash. That’s why it cranks harder and holds charge longer.
How cold will it work?
Our Super Charged AGM performs in tough weather. For maximum reliability in winter, keep the battery on a maintainer when parked.