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SigmasTek  |  SKU: BW-17342

STX20HL-BS 12V 19AH High Performance Replacement Battery for Kawasaki KLF300-A Bayou (1986-1987)

Sale price $75.99 USD Regular price $104.04
Shipping calculated at checkout.

➤ Exact fit for Kawasaki KLF300-A Bayou (1986-1987) models

➤ Meets or exceeds OEM specifications for reliable performance

➤ 12V 19AH capacity ensures strong and consistent starting power

➤ Maintenance-free design for hassle-free use and longevity

➤ Superior resistance to vibrations and extreme temperatures for durability


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

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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

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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

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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

STX20HL-BS 12V 19AH Battery — Replacement for Kawasaki KLF300-A Bayou (1986-1987)

Upgrade your vintage Kawasaki KLF300-A Bayou (1986-1987) with the STX20HL-BS 12V 19AH replacement battery designed for dependable starting and long-term reliability. This premium, maintenance-free unit is engineered to meet or exceed OEM specifications, offering excellent vibration and temperature resistance to handle the rigors of off-road and seasonal use. If you need a robust, high-performance battery for your Bayou, this unit delivers.

Key Specifications

  • Model: STX20HL-BS
  • Compatible Model: Kawasaki KLF300-A Bayou (1986-1987)
  • Brand: SigmasTek
  • Voltage: 12V
  • Capacity: 19 Ah (stated in description)
  • Alternate Capacity Listing: 12 Volts 18 Ah (listed in product meta)
  • Terminal Type: Nut & Bolt
  • Design: Maintenance-free
  • Features: Superior vibration and temperature resistance, durable construction

Benefits

The STX20HL-BS offers a combination of durability and consistent performance that vintage ATV owners appreciate. Its maintenance-free chemistry reduces hassle, while robust construction guards against shock and extreme temperatures that are common in off-road riding. As a high-performance battery, it provides the necessary starting power for older engines that may require a stronger cold-crank to fire reliably.

Built for long life and resilience, this battery is ideal for recreational use, farm work, trail riding, and seasonal storage. The sealed design minimizes leakage risk and enables flexible mounting positions. Its vibration-resistant build helps preserve internal components, making it suitable for machines that face frequent jarring or extended use.

Typical applications extend beyond ATV starting — use it for emergency backup power, small tool power in the field, and other powersport needs where a dependable, long-lasting battery is essential. Whether restoring a classic Bayou or replacing an aging original, this STX20HL-BS provides confidence and performance.

Ready to restore reliable starting to your Kawasaki KLF300-A Bayou? Buy the STX20HL-BS 12V replacement battery now and enjoy the benefits of a high-performance, long-lasting battery.


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