 
Yuasa 6N4-2A 6V Battery — Compact, Reliable Power
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The Yuasa 6N4-2A (part YUAM2645A) is a compact 6-volt conventional battery engineered for scooters, small motorcycles, and vintage bikes requiring a lightweight, reliable power source. Built with Yuasa’s trusted technology, it offers consistent starting performance, excellent vibration resistance, and extended service life.
Key Features & Benefits
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Dependable 6-Volt Power — Ideal for classic and small-engine applications 
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Compact Design — Lightweight and easy to fit in tight spaces 
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Vibration Resistant — Internal components reinforced for durability under rough conditions 
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Sulfate-Stop Technology — Reduces sulfation buildup for longer life and steady performance 
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Durable Polypropylene Case — Heat-sealed and leak-resistant 
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Dry-Shipped for Safety — Acid not included; fill before activation 
Technical Specifications
| Spec | Value | 
|---|---|
| Model | 6N4-2A | 
| Part Number | YUAM2645A | 
| Voltage | 6 V | 
| Capacity | 4 Ah | 
| Cold Cranking Amps (CCA) | 18 A | 
| Dimensions (L × W × H) | 2 13/16" × 2 13/16" × 4 1/8" | 
| Weight | 2.0 lb | 
| Battery Type | Conventional (dry) | 
| Terminal Type | Top post | 
| Maintenance | Requires acid fill and periodic topping off | 
Fitment & Applications
The 6N4-2A battery is perfect for small motorcycles, mopeds, and scooters, as well as select vintage Honda, Yamaha, and European models that run 6-volt systems.
Always confirm battery size, voltage, and polarity before purchase.
Why Choose 6N4-2A
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Reliable Starts — Provides steady, dependable cranking for small engines 
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Durable Build — Designed to resist vibration and heat 
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Compact Power Source — Ideal for smaller or vintage vehicles 
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Trusted Yuasa Quality — Manufactured by the world’s leading powersport battery brand 
Activation & Usage Tips
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Fill the battery with the correct electrolyte before installation. 
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Allow time for the acid to absorb, then fully charge before use. 
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Keep terminals tight and free of corrosion. 
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Store in a cool, dry place when not in use. 
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Use a compatible 6V charger or maintainer during storage. 
Call to Action
Power your classic or small-engine ride with the Yuasa 6N4-2A (YUAM2645A) — the compact, reliable 6V battery trusted by riders worldwide. Add to cart today for dependable Yuasa performance every start.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
 
  
