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SigmasTek  |  SKU: BW-18128

STX14L-BS Compatible Replacement Battery for Harley-Davidson XL/XLH/XR1200X Sportster (2004-2021)

Sale price $64.99 USD Regular price $88.98
Shipping calculated at checkout.

➤ Direct replacement battery for 2004-2021 Harley-Davidson Sportster XL, XLH, XR1200X models

➤ Meets or exceeds OEM specs for dependable, high-performance starting power

➤ Sealed, maintenance-free design for hassle-free use and long-lasting reliability

➤ Advanced lead-calcium technology ensures superior starting power and extended battery life

➤ Guaranteed perfect fit and compatibility with your Harley-Davidson Sportster


📦🚀 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 | 12 Ah

Terminal Type

Nut & Bolt

STX14L-BS 12V 12AH Battery — Replacement for Harley-Davidson Sportster XL, XLH, XR1200X (2004-2021)

Upgrade your Harley-Davidson Sportster with the STX14L-BS, a direct replacement battery for XL, XLH, and XR1200X models from 2004–2021. This sealed, maintenance-free battery is engineered to meet or exceed OEM specifications, delivering reliable starting power and consistent performance for motorcycles that demand dependable ignition performance. Built with advanced lead-calcium technology, it offers extended life and strong starting capacity for both daily riders and weekend cruisers.

Key Specifications

  • Model: STX14L-BS
  • Compatibility: Harley-Davidson Sportster XL, XLH, XR1200X (2004-2021)
  • Voltage: 12 Volts
  • Capacity: 12 Ah
  • Battery Type: Sealed, maintenance-free
  • Technology: Advanced lead-calcium technology (for superior starting power and extended life)
  • Fit: Direct replacement for OEM battery
  • Guaranteed Fit: Guaranteed fit and compatibility (as stated)
  • Terminal Type: Nut & Bolt
  • Brand: SigmasTek

Benefits

This replacement battery provides the robust cranking power necessary for quick, confident starts on Harley-Davidson Sportsters. The advanced lead-calcium design enhances corrosion resistance and reduces self-discharge for longer shelf life when the bike is stored. As a sealed, maintenance-free unit, it eliminates the need for electrolyte checks or topping off, making ownership simpler and cleaner.

The STX14L-BS is a high-performance battery that stands up to vibration and temperature fluctuations encountered in motorcycle use. Its long-lasting battery characteristics mean fewer replacements over the vehicle’s life, which is particularly valuable for riders who put many miles on their bikes or store them seasonally. The guaranteed fit and OEM-level performance make installation straightforward with original mounting and connections.

Typical applications include starting and ignition systems on Harley-Davidson Sportster models listed above, replacement battery upgrades to restore original performance, and everyday riding where dependable starting and low maintenance are priorities. Riders who value reliability and lifespan will appreciate the combination of sealed convenience and lead-calcium technology.

Restore reliable starts to your Sportster—order this STX14L-BS replacement battery today for a high-performance, long-lasting battery that meets or exceeds OEM expectations. Purchase now to ensure your Harley is always ready to ride.


Payment & Security

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