Universal Compatibility at Competitive Pricing. As battery specialists since 2010, we deliver exceptional value on MotoBatt's QuadFlex Technology. The MB9U provides 12V 11AH capacity with 140 CCA in a versatile design (5.48" × 2.99" × 5.24"H) that replaces over 20 OEM battery models. Perfect for motorcycles, ATVs, and scooters with four-terminal configuration, high-density AGM cells, and included mounting hardware.

Why Choose MotoBatt MB9U: QuadFlex Technology enables four terminal positions for maximum compatibility. 140 CCA starting power with high-density lead-acid AGM design. Replaces 20+ OEM models including YB7A, YB9A, 12N7-3A series. Complete hardware kit included. Competitive pricing from trusted battery specialists since 2010.

Quick Answer Box

Replaces: YB7A, YB7AA, YB7LA, YB7LB, YB9A, YB9AA, YB9A2, YB9LA2, YB9B, YB9LB, YB9B2, YB9LB2, 12N7-3A, 12N7-4A, 12N7-3B, 12N7-4B, 12N7D-3B, 12N9-3A, 12N9-3B, 12N9-3A-1, 12N9-4B-1

Specifications: 12V, 11Ah, Sealed Lead Acid AGM

Dimensions: 5.48" × 2.99" × 5.24"H (139.19mm × 75.95mm × 133.10mm)

Average Lifespan: 3-5 years in powersport applications

Compatibility: Honda, Harley-Davidson, Kawasaki, Yamaha, Suzuki motorcycles; ATVs, scooters

• • MotoBatt MB9U 12V 11AH AGM Battery
• • Stainless Steel Fastening Screws
• • Threaded Brass Terminals
• • Terminal Spacers
• • 1-Year Warranty

Compatible Manufacturers & Models:

Plus many more models from Suzuki, Aprilia, BSA, Triumph, Piaggio, and other manufacturers!

Q: What battery replaces YB7A, YB9A, and 12N7-3A models?
A: The MotoBatt MB9U replaces all these models and more. With QuadFlex Technology, it provides 12V 11AH capacity with 140 CCA in dimensions of 5.48" × 2.99" × 5.24"H.

Q: Which battery fits motorcycles with different terminal positions?
A: The MB9U's QuadFlex Technology features four terminal posts, allowing it to fit motorcycles, ATVs, and scooters with various terminal configurations.

Q: How long does the MotoBatt MB9U last in powersport use?
A: Based on customer data since 2010, the MB9U typically lasts 3-5 years in powersport applications with proper charging and maintenance.

Q: What are the exact dimensions of the MB9U battery?
A: The exact dimensions are 5.48 inches long × 2.99 inches wide × 5.24 inches high (139.19mm × 75.95mm × 133.10mm), weighing 7.39 lbs with acid.

Q: Does the MB9U come with installation hardware?
A: Yes, the MB9U includes a complete hardware kit with stainless steel screws, threaded brass terminals, and spacers for easy installation.

Maximize Battery Life

While MotoBatt AGM batteries are maintenance-free, proper charging ensures maximum performance. For optimal results with your motorcycle battery, consider using a smart charger from our Battery Tender selection with 1.3A maximum charge rate.

Installation Tips

• Use included hardware for secure terminal connections
• QuadFlex design allows multiple mounting orientations
• AGM technology permits any mounting position
• Check voltage regularly during storage periods
• Store in cool, dry location when not in use

Battery Specialists Since 2010

With over a decade of experience in powersport batteries, we understand the importance of universal compatibility. Our partnership with MotoBatt ensures you receive innovative QuadFlex Technology at competitive pricing.

Expert Support Available

The MB9U's ability to replace over 20 OEM models makes it a versatile solution, backed by our battery specialist support and 1-year warranty for your peace of mind.

Complete Your Powersport System

Looking for batteries for other applications? Explore our selection of ATV batteries and electric scooter batteries for all your powersport needs.

One Battery Solution for Multiple Applications

Experience the versatility of MotoBatt QuadFlex Technology. The MB9U delivers 12V 11AH capacity with 140 CCA starting power while replacing over 20 OEM battery models. Its unique four-terminal design ensures compatibility with motorcycles, ATVs, and scooters from all major manufacturers. As battery specialists since 2010, we provide competitive pricing with complete installation hardware and 1-year warranty protection.

Order Your MB9U Battery Today