STX20HL-BS 12V 19AH Battery for Kawasaki JL650 SX 1987-1995 High Performance
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Battery Care Guide
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
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.
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All prices are shown in USD.
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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.
🔹 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
STX20HL-BS 12V 19AH Replacement Battery for Kawasaki JL650 SX (1987-1995)
Restore reliable starts and maximize performance on your Kawasaki JL650 SX (1987-1995) with this STX20HL-BS high-performance replacement battery. Specifically designed for personal watercraft, this maintenance-free battery delivers consistent cranking power, superior vibration resistance, and dependable performance in marine conditions. If you want a long-lasting battery that fits directly into your Jet Ski without modification, the STX20HL-BS is engineered for that purpose.
Key Specifications
- Model: STX20HL-BS
- Compatible with: Kawasaki JL650 SX (1987-1995)
- Voltage: 12V
- Capacity: 19AH (product text also references 12 Volts 18 Ah)
- Type: Maintenance-free, sealed battery designed for marine use
- Performance features: Enhanced resistance to vibrations and temperature fluctuations
- Fitment: Direct replacement for original battery for precise, hassle-free installation
- Brand: SigmasTek
- Terminal type: Nut & Bolt
Benefits
- Durability: Maintenance-free construction and sealed design protect the battery from corrosion and the salty, wet conditions typical of marine use, resulting in robust, long-term operation.
- Long life: Built to meet or exceed OEM specifications to deliver extended service life and fewer replacements, making this a cost-effective choice for watercraft owners.
- High performance: Provides strong starting power and reliable cranking for quick, consistent starts even after periods of inactivity—critical for personal watercraft safety and enjoyment.
- Vibration and temperature resistance: Designed to withstand vibration from rough water and temperature swings, reducing the risk of premature failure during aggressive riding or storage.
- Maintenance-free convenience: No need to add water or monitor electrolyte levels—install and forget, allowing you to spend more time on the water and less time maintaining batteries.
- Typical applications: Ideal for personal watercraft, jet skis, small marine craft, and any application requiring a compact, reliable 12V power source. Also works well for backup power to small electronics and bilge systems.
- Easy installation: As a direct OEM-style replacement, the STX20HL-BS fits precisely and installs quickly for minimal downtime between rides.
Don’t let a weak battery keep you off the water. Choose this STX20HL-BS replacement battery for a long-lasting battery that delivers dependable, high-performance power for your Kawasaki JL650 SX (1987-1995). Order now to secure fast shipping and dependable starts season after season.
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