STX20L-BS High Performance Replacement Battery For Kawasaki Jet Ski JS440 1977-1986 11.62 lb
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STX20L-BS High Performance Replacement Battery For Kawasaki Jet Ski JS440 1977-1986 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 Replacement Battery — Kawasaki JS440 Jet Ski (1977-1986)
The STX20L-BS replacement battery is engineered to keep your Kawasaki JS440 Jet Ski (1977-1986) starting strong and running reliably on every trip. This high-performance battery meets or exceeds OEM specifications to deliver dependable cranking power and long-term durability in marine environments. Designed specifically for the 440cc engine, the STX20L-BS offers a perfect fit, spill-proof construction, and maintenance-free operation for worry-free watercraft performance.
Key Specifications
- Model: STX20L-BS
- Vehicle Compatibility: Kawasaki JS440 Jet Ski (1977-1986)
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 18 AH
- Terminal Type: Nut & Bolt
- Design: Spill-proof, Maintenance-Free
- Application: Designed for marine environments and 440cc engine compatibility
- Performance: Meets or exceeds OEM specifications for reliable starting power
Benefits
- Durability: Built to withstand marine environments—resistant to corrosion and vibration—this long-lasting battery is ideal for repeated watercraft use.
- Reliable Starting Power: Optimized to meet or exceed OEM requirements for consistent cranking performance, ensuring reliable starts even after storage or exposure to temperature changes.
- Maintenance-Free Design: Spill-proof construction eliminates acid maintenance, allowing for clean, safe installation and minimal upkeep over the battery’s service life.
- High Performance: Delivers the immediate power needed for jet ski engines and onboard accessories—this replacement battery is a high-performance battery suited for demanding marine starts.
- Perfect Fit: Specifically engineered for the JS440 440cc platform for hassle-free installation and secure fitment in the factory battery compartment.
- Typical Applications: Ideal for personal watercraft, small boats with similar battery trays, and any marine application that requires a compact, dependable 12V 18AH battery.
Don’t let a weak battery leave you stranded on the water. Upgrade to the STX20L-BS replacement battery for a high-performance, long-lasting battery that provides reliable starts and minimal maintenance. Purchase now and prepare for smooth, worry-free outings on your JS440.
Technical Specifications
Product Highlights
- Manufacturer: SigmasTek
- Product Type: Powersport Batteries
- Warranty: 6 Months
- Bulk Orders: sales@batteryweb.com
Connections & Interface
- Polarity: "'-/+"
Payment & Security
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