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SigmasTek  |  SKU: BW-19149

Mighty Max YTX20L-BS Compatible Replacement Battery by Sigmastek 11.62 lb

13% off
Sale price $75.99 USD Regular price $86.99
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Maintenance-free AGM design eliminates the need for acid filling
Spillproof and leakproof for safe, hassle-free use
U.L. recognized and CE certified for reliable quality
Superior starting power with deep cycle capacity for motorcycles
Extreme resistance to freeze, heat, and vibration for durability
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

Replacement for Mighty Max YTX20L-BS - SigmasTek 12 Volts 18 Ah

Designed as a direct replacement battery for the Mighty Max YTX20L-BS, this SigmasTek AGM maintenance-free unit delivers dependable compatibility, strong starting performance, and the reliability riders demand. Whether you're restoring an older bike or replacing a worn battery, this replacement battery offers a maintenance-free solution with superior power output and consistent performance under real-world conditions.

Key Specifications

  • Compatible Model: Mighty Max YTX20L-BS
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Design: AGM Maintenance-Free
  • Maintenance-Free Design
  • Spillproof and Leakproof Design
  • U.L. Recognized and CE Certified
  • Absorbed Glass Mat Design
  • Valve Regulated Vent System
  • Extreme Freeze, Heat and Vibration Resistance
  • Superior Starting Power and Deep Cycle Capacity
  • Condition: Brand New, Factory Fresh
  • Warranty: 6 Month Warranty

Benefits

  • Durable construction: The AGM (Absorbed Glass Mat) and valve regulated vent system provide a spillproof, leakproof experience that resists extreme freeze, heat, and vibration — ideal for motorcycles exposed to varied conditions.
  • Long life and dependable service: Built as a high-performance battery with deep cycle capacity and superior starting power, this replacement battery gives you the dependable cranking needed for rapid starts and repeated short bursts of high discharge.
  • Maintenance-free convenience: No acid filling or water checks required. The maintenance-free design saves time and reduces the risk associated with wet-cell batteries, making it a true drop-in upgrade.
  • Versatile applications: While optimized for motorcycle use, this 12V 18Ah battery also serves well in light emergency power setups, portable tools, and small UPS or backup applications where a long-lasting battery and reliable start-up current are essential.
  • Safety and quality assurance: U.L. recognition and CE certification back the safety profile, while professional testing and factory-fresh condition ensure consistent performance out of the box.
  • Trusted replacement: If you need a replacement for Mighty Max YTX20L-BS that balances cost and performance, this SigmasTek unit is built to deliver and backed by a 6 month warranty for added confidence.

Ready to upgrade? Add this high-performance battery replacement for the Mighty Max YTX20L-BS to your cart today and enjoy a long-lasting battery solution engineered for reliable starts and lasting durability. Order now to take advantage of fast shipping and quality you can trust.

Technical Specifications

Voltage12 Volts
Amp Hours18 Ah
Terminal TypeNut & Bolt
Cold Cranking Amps (CCA)270
Length (in.)6.89
Width (in.)3.43
Height (in.)6.14
Weight (lb.)11.61

Product Highlights

  • Brand Replacement : Might Max
  • Manufacturer: SigmasTek
  • Product Type: Motorcycle
  • Warranty: 6 Months
  • Bulk Orders: sales@batteryweb.com

Connections & Interface

  • Polarity: "'-/+"

Payment & Security

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