STX20L-BS Harley-Davidson FLS Softail (2016-2017) High-Performance Battery 11.62 lb
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STX20L-BS Harley-Davidson FLS Softail (2016-2017) High-Performance Battery is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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
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.
Disclaimer
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.
Volts & Amps
12 Volts | 18 Ah
Terminal Type
Nut & Bolt
STX20L-BS for Harley-Davidson FLS Softail (2016-2017) Replacement Battery
Replace the factory battery in your Harley-Davidson FLS Softail (2016-2017) with this STX20L-BS maintenance-free replacement battery designed for a perfect fit and dependable performance. Engineered to meet or exceed OEM specifications, this sealed AGM battery provides superior cranking power, excellent vibration resistance, and a spill-proof design for safe, worry-free operation on the road.
Key Specifications
- Compatibility: Harley-Davidson FLS Softail (2016-2017)
- Model: STX20L-BS
- Design: Maintenance-free technology
- Safety: Spill-proof and leak-proof design
- Performance: Superior cranking power for reliable starts
- Durability: Enhanced vibration resistance for demanding riding conditions
- Compliance: Meets or exceeds OEM specifications
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 18 Ah
- Terminal Type: Nut & Bolt
Benefits
This STX20L-BS replacement battery is built for long life and consistent, high-performance operation. The sealed AGM construction ensures maintenance-free ownership—no acid to add and no need for electrolyte checks—while providing a leakproof package that minimizes corrosion risks. Enhanced vibration resistance helps protect internal plates and connections from damage caused by rough roads and heavy use, so the battery sustains strong starts over time.
Riders will notice improved cold-weather starting and dependable cranking amps that make daily commuting and long rides more reliable. As a long-lasting battery option, it’s well-suited not only to motorcycle starting duties but also to applications that require a compact, stable 12V source—such as portable UPS units, emergency power for small electronics, and power for handheld tools during field repairs. The combination of spillproof safety and OEM-level performance also makes it an excellent choice for riders who expect dependable power with minimal maintenance.
Professionally manufactured and tested to meet strict standards, the STX20L-BS provides a seamless replacement experience with the performance to back it up. If you want a high-performance battery replacement that gives peace of mind and long-term reliability, this model is an ideal choice.
Ready to upgrade? Purchase this STX20L-BS replacement battery for your Harley-Davidson FLS Softail (2016-2017) today and enjoy dependable starts, a long-lasting battery life, and fast shipping.
Technical Specifications
Product Highlights
- Manufacturer: SigmasTek
- Product Type: Powersport Batteries
- Warranty: 6 Months
- Bulk Orders: sales@batteryweb.com
Connections & Interface
- Polarity: "'-/+"
Payment & Security
Payment methods
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