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Motobatt 12V 21AH Battery | 310CCA AGM | MBTX20U
MotoBatt MBTX20U High-Performance AGM Battery - 21Ah Capacity with QuadFlex Technology
310 Cold Cranking Amps • Exact replacement for 200+ motorcycle, ATV, UTV, and watercraft models
Why Choose the MotoBatt MBTX20U Battery?
Get more starting power when you need it most. This high-density AGM battery delivers exceptional performance for motorcycles, ATVs, snowmobiles, and utility vehicles. With our exclusive QuadFlex Technology, you get faster cranking and more reliable starts in all weather conditions.
Guaranteed compatibility with over 200 popular models from Harley-Davidson, Honda, Kawasaki, Yamaha, and more. If your current battery matches our compatibility list, this is your exact replacement with precise dimensions.
Superior Starting Power
310 Cold Cranking Amps and 21Ah capacity for reliable starts even in extreme weather conditions.
QuadFlex Technology
Shorter connection distance from cells to terminals means faster power delivery and stronger cranking performance.
Precise Fit Guaranteed
Exact dimensions: 6.89" L × 3.43" W × 6.10" H with terminals. Includes all necessary hardware for easy installation.
Maintenance-Free Design
Sealed AGM construction means no watering, no spills, and no corrosion. Install it and forget it.
Complete Technical Specifications
Verified Compatibility - Over 200 Models Supported
Cross-references these popular battery models:
12N163A, 12N163B, 12N164A, 12N164B, YTX20BS, YTX20HBS, YTX20LBS, YTX20HLBS, YTX20HLBSPW, YB16A, YB16A2, YB16B, YB16B2, YB16HLACX, SYB16LB, YB16LA, YB16LA2, YB16LB, YB16LB2, YB16CB, YB16CLB, YB16BCX, GT16L-BS, GT16-BS, CTX19L-BS, CTX19-BS, GYZ20L, GYZ20HL
HARLEY-DAVIDSON
Sportster, Softail, Dyna, FX Series (1971-2012)
HONDA
Gold Wing, VTX, CBX, V65 Magna/Sabre
KAWASAKI
KZ1000, ZG1000 Concours, Police models
YAMAHA
Road Star, Royal Star, V Star, TX750
ATV/UTV BRANDS
Arctic Cat, Can-Am, Polaris, John Deere, Kymco
WATERCRAFT
Sea-Doo, Kawasaki Jet Ski, Honda AquaTrax, Yamaha WaveRunner
Need help confirming compatibility? Our battery specialists are available at 1-877-775-4381 to verify your specific application and ensure perfect fitment.
What's Included - Complete Installation Package
- ✓ MBTX20U Battery - Factory activated and ready to install
- ✓ Stainless Steel Fastening Screws - Corrosion-resistant hardware
- ✓ Threaded Brass Terminals - Multiple terminal configurations supported
- ✓ Terminal Spacers - Ensures proper fit across different applications
- ✓ Installation Instructions - Clear, step-by-step guidance
QuadFlex Technology Advantage
Unlike conventional batteries, our QuadFlex design reduces the distance between battery cells and terminal posts. This means:
- ✓ Faster power delivery to your starter
- ✓ Higher effective cranking amps
- ✓ Better performance in cold conditions
- ✓ Longer battery life under heavy use
12-Month Warranty - Your Investment Protected
Full replacement warranty for 12 months from delivery date.
As battery specialists since 2010, we stand behind every battery we sell with comprehensive warranty coverage and expert technical support.
Frequently Asked Questions
Q: Will this battery fit my 2003 Harley Sportster 883?
A: Yes, this battery replaces YTX20BS which is the correct battery for your 2003 XL883. Check our compatibility list to confirm your specific model year.
Q: Do I need to add acid to this battery?
A: No, this is a factory-activated AGM battery that arrives ready to install. No maintenance required.
Q: Can I use my existing battery charger?
A: Yes, any standard 12V battery charger works. Maximum recommended charge rate is 1.3 amps.
Q: How long will this battery last?
A: With proper charging habits, expect 3-5 years of reliable service. AGM technology provides superior longevity compared to conventional batteries.
Ready to Upgrade Your Starting Power?
Get reliable starts every time with the MotoBatt MBTX20U
✓ Free shipping on orders over $75
✓ $8 ground shipping on orders under $75
✓ Expert technical support included
✓ 12-month warranty coverage
✓ Same-day processing on in-stock orders
Questions about fitment? Call our battery specialists at 1-877-775-4381