-
Free Shipping
Orders $75 & Up
-
30-day Money Back
Guarantee*
-
100% Secure Online Shopping
SSL - Verified Merchant

MotoBatt MBHD12H Battery
MotoBatt MBHD12H with QuadFlex Technology
HIGH-PERFORMANCE POWERSPORT BATTERY WITH SUPERIOR STARTING POWER
The MotoBatt MBHD12H delivers exceptional starting reliability for demanding powersport applications through revolutionary QuadFlex Technology. This advanced 12V AGM battery provides an impressive 390 Cold Cranking Amps and 33Ah capacity in a high-density design specifically engineered for motorcycles, ATVs, snowmobiles, and utility vehicles. Unlike conventional batteries, the MotoBatt's proprietary QuadFlex system dramatically reduces connection distance between cells and terminals, delivering faster, more direct starting power exactly when you need it. With its versatile terminal configuration and comprehensive hardware kit, this premium replacement battery fits multiple vehicle applications including classic Harley-Davidson models.
QUADFLEX TECHNOLOGY FOR SUPERIOR PERFORMANCE
- Revolutionary Cell Connection - Proprietary QuadFlex design delivers faster, more direct power flow to terminals
- Impressive Cold Starting Power - 390 CCA for reliable starting in demanding conditions
- High-Capacity Design - 33 Amp Hour rating supports extended accessory use
- Versatile Terminal Configuration - Fits multiple applications with included hardware kit
- AGM Technology - Maintenance-free sealed construction eliminates spills and leakage
- Premium Hardware Included - Stainless steel screws, threaded brass terminals, and spacers
- Direct OEM Replacement - Perfect fit for YHD-12H and compatible Harley-Davidson models
- Compact Power Density - High output from space-efficient 7.87" × 5.12" × 6.42" dimensions
- One-Year Warranty - Manufacturer-backed protection for peace of mind
TECHNICAL SPECIFICATIONS
Voltage | 12V |
Capacity | 33 Amp Hours |
Cold Cranking Amps | 390 CCA |
Technology | AGM (Absorbent Glass Mat) |
Height with Terminal | 6.42" |
Length | 7.87" |
Width | 5.12" |
Weight | 23.81 lbs (with acid) |
Maximum Charge Rate | 1.3A |
Terminal Type | Multi-configuration with included hardware |
Warranty | 1-Year Replacement |
OEM Replacement For | YHD-12H |
Included Hardware | Stainless steel screws, threaded brass terminals, spacers |
THE QUADFLEX ADVANTAGE
Unlike standard powersport batteries, the MotoBatt MBHD12H with QuadFlex Technology provides significant performance benefits:
- Faster Power Delivery - Shortened internal connection paths deliver current to terminals more efficiently
- Improved Cold Weather Starting - Enhanced design maintains starting power in low-temperature conditions
- Reduced Voltage Drop - Minimized internal resistance for more consistent power output
- Greater Installation Flexibility - Multi-configuration terminal system adapts to various application needs
- Enhanced Vibration Resistance - Engineered specifically for high-vibration powersport environments
COMPATIBLE APPLICATIONS
Harley-Davidson Models:
- XLH (Sportster Electric Start) (67-78) - 1000cc
- FL, FLH Series (Touring) (65-77) - 1200cc
- FL, FLH Series (Touring) (78-84) - 1340cc (80ci)
Additional Applications:
- Ultranautics Wet Bike (85-86) - 800cc
- Compatible replacement for YHD-12H battery
FREQUENTLY ASKED QUESTIONS
Q: What makes QuadFlex Technology superior to standard battery designs?
A: QuadFlex Technology creates a more direct electrical pathway between the battery cells and terminals, significantly reducing the distance electricity must travel within the battery. This results in faster power delivery, improved starting capability, and more consistent performance, especially in cold weather and high-demand situations common in powersport applications.
Q: Is this battery maintenance-free?
A: Yes, the MotoBatt MBHD12H features sealed AGM (Absorbent Glass Mat) construction that requires no maintenance, water additions, or acid level checks. The completely sealed design also eliminates the risk of spills or leaks, allowing for installation in any position.
Q: How do I know if this battery will fit my specific vehicle?
A: This battery is a direct replacement for the YHD-12H and fits specific Harley-Davidson models from 1965-1984 as listed in the compatibility section. For other applications or to verify fitment for your specific vehicle, you can contact our battery specialists toll-free at 1-877-775-4381 for personalized assistance.
Q: What is the expected lifespan of this battery?
A: With proper charging and maintenance, the MotoBatt MBHD12H typically provides 3-5 years of reliable service in powersport applications. Factors affecting lifespan include usage patterns, charging practices, and storage conditions. The battery comes with a 1-year warranty for added peace of mind.
Q: Does this battery come charged and ready to install?
A: Yes, the battery ships fully charged and ready for immediate installation. However, for optimal performance, we recommend checking the charge level and providing a freshening charge if the battery has been in storage for an extended period before installation.
UPGRADE YOUR POWERSPORT PERFORMANCE TODAY
Don't compromise on starting reliability for your classic Harley-Davidson or powersport vehicle. The MotoBatt MBHD12H with revolutionary QuadFlex Technology delivers superior starting power, faster energy transfer, and enhanced performance in a versatile, maintenance-free package. Complete with all necessary installation hardware and backed by a one-year warranty, this premium replacement battery ensures dependable performance for your powersport adventures. Upgrade to MotoBatt quality today and experience the difference that advanced battery technology makes for your vehicle.