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SigmasTek  |  SKU: BW-18038

STX20L-BS High Performance Replacement Battery For Harley-Davidson FLSTSI Heritage Springer 2001-2003 11.62 lb

16% off
Sale price $75.99 USD Regular price $90.99
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Direct OEM replacement for Harley-Davidson FLSTSI Heritage Springer (2001-2003)
Meets or exceeds original battery specifications for dependable starts
Maintenance-free design for convenient, hassle-free use
Durable construction ensures long-lasting battery life
Perfect fit guarantees easy installation without compatibility issues
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🔹 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.

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Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

STX20L-BS Battery — Direct Replacement for Harley-Davidson FLSTSI Heritage Springer (2001-2003)

Upgrade your Harley-Davidson FLSTSI Heritage Springer (2001-2003) with the STX20L-BS, a direct OEM-replacement battery designed to provide dependable starts, rugged durability, and maintenance-free operation. This STX20L-BS high-performance battery meets or exceeds original specifications, delivering the reliable cranking power your big-twin needs for everyday rides and extended touring.

Key Specifications

  • Model: STX20L-BS
  • Compatibility: Harley-Davidson FLSTSI Heritage Springer (2001-2003)
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 AH
  • Terminal Type: Nut & Bolt
  • Design: Maintenance-Free, durable construction
  • Performance: Meets or exceeds OEM specifications for reliable starting power
  • Application Focus: Optimized for motorcycle use and heavy cranking demand

Benefits

  • Long-Lasting Reliability: Built to perform over repeated starts and long seasons, this long-lasting battery reduces the need for frequent replacements and provides consistent reliability for riders.
  • Strong Starting Power: Specifically tuned for motorcycle cranking demands—provides the immediate burst of energy required by Harley-Davidson V-twin engines.
  • Maintenance-Free Convenience: No watering or acid handling necessary—installation is clean and effortless so you can focus on riding instead of upkeep.
  • Durable Construction: Robust design resists vibration and environmental wear typical of motorcycle use, ensuring dependable performance on short trips and long tours.
  • High-Performance Fit: A true high-performance battery that matches OEM dimensions and electrical characteristics for a seamless, worry-free replacement.
  • Typical Applications: Ideal for Harley-Davidson cruisers, touring bikes, and any motorcycle requiring a compact, high-capacity 12V 18AH battery with nut & bolt terminals.

Ready to upgrade your Heritage Springer with a reliable, high-performance replacement battery? Buy the STX20L-BS now to ensure dependable starts and long-term performance—order today for fast shipping and get back on the road with confidence.

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

  • Manufacturer: SigmasTek
  • Product Type: Powersport Batteries
  • Warranty: 6 Months
  • Bulk Orders: sales@batteryweb.com

Connections & Interface

  • Polarity: "'-/+"

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