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SigmasTek  |  SKU: BW-18079

STX20L-BS Battery for Harley-Davidson Dyna Wide Glide FXDWG 1997-2015 High Performance

Sale price $59.98 USD Regular price $82.13
Shipping calculated at checkout.

➤ Direct replacement for Harley-Davidson Dyna Wide Glide FXDWG (1997-2015)

➤ Maintenance-free sealed AGM design prevents leaks and spills

➤ Superior vibration resistance for enhanced durability

➤ Delivers enhanced starting power in all weather conditions

➤ Exceeds OEM specifications for optimal fit and reliability


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ 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.

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

STX20L-BS Battery for Harley-Davidson Dyna Wide Glide FXDWG (1997-2015)

Designed as a direct, maintenance-free replacement battery for the Harley-Davidson Dyna Wide Glide FXDWG (1997-2015), the STX20L-BS delivers reliable starting power, superior vibration resistance, and sealed AGM construction for dependable on-road performance. This high-performance battery is built to exceed OEM specifications, offering the fit, power and durability riders expect from a premium motorcycle power source. If you need a rugged, long-lasting battery for your FXDWG, the STX20L-BS is engineered to get you started in all conditions.

Key Specifications

  • Compatible Model: Harley-Davidson Dyna Wide Glide FXDWG (1997-2015)
  • Model Number: STX20L-BS
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Construction: Sealed AGM (Absorbed Glass Mat)
  • Maintenance: Maintenance-free technology
  • Design Features: Superior vibration resistance and durability
  • Fit: Direct replacement for OEM battery
  • Safety: Sealed design prevents leaks and spills

Benefits

The STX20L-BS replacement battery is engineered for durability and long life under the rigorous conditions motorcycles face. Its sealed AGM design and maintenance-free construction reduce downtime and eliminate the need for acid filling, while superior vibration resistance protects internal plates for extended service life. As a high-performance battery, it provides enhanced starting power in cold starts and hot weather alike, ensuring dependable ignition and consistent electrical output for lighting and accessories.

Although optimized for the Harley-Davidson Dyna Wide Glide FXDWG, this long-lasting battery's robust construction makes it suitable for a range of high-vibration applications where consistent starting power is essential. Typical applications include motorcycles, emergency backup systems, small UPS units, and portable power tools that require reliable, high-rate discharge performance. The direct replacement fit simplifies installation so you can get back on the road quickly with confidence in your power source.

Choose this replacement battery for a hassle-free upgrade that balances performance, reliability, and maintenance-free convenience. Add the STX20L-BS for your FXDWG to your cart now and experience the confidence of a high-performance, long-lasting battery built for the road.


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