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SigmasTek  |  SKU: BW-17970

STX20L-BS Compatible Replacement Battery For Yamaha VX Super Jet EX EXR 2021-2024

Sale price $59.98 USD Regular price $82.13
Shipping calculated at checkout.

➤ Direct replacement for Yamaha VX, Super Jet, EX, EXR (2021-2024)

➤ Maintenance-free AGM technology for hassle-free use

➤ Spill-proof and vibration-resistant design for durability

➤ Meets or exceeds OEM specifications for reliable performance

➤ Provides consistent starting power for smooth rides


📦🚀 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 | 18 Ah

Terminal Type

Nut & Bolt

STX20L-BS Battery For Yamaha VX, Super Jet, EX, EXR (2021-2024)

Restore reliable power to your Yamaha VX, Super Jet, EX, or EXR (2021-2024) with this maintenance-free STX20L-BS replacement battery. Engineered as a direct-fit solution, this high-performance battery is built to meet or exceed OEM specifications and deliver dependable starting power for personal watercraft. Its sealed AGM construction offers spill-proof reliability and vibration resistance, making it an ideal choice for marine environments where durability and consistent performance matter.

Key Specifications

  • Model: STX20L-BS
  • Compatibility: Yamaha VX, Super Jet, EX, EXR (2021-2024)
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal: Nut & Bolt
  • Technology: AGM (Absorbed Glass Mat), maintenance-free
  • Design: Spill-proof and vibration-resistant
  • Performance: Meets or exceeds OEM specifications for reliable starting power
  • Fit: Direct replacement for factory battery

Benefits

  • Durability: AGM construction and spill-proof design protect against leaks and corrosion, ensuring long service life even in wet marine conditions.
  • Long Life: Maintenance-free operation eliminates the need for periodic water additions and reduces upkeep, delivering a long-lasting battery solution.
  • High Performance: Delivers reliable cranking power for quick starts and consistent power delivery for onboard systems.
  • Vibration Resistance: Built to withstand the vibration and shocks that come with watercraft operation, maintaining connectivity and performance.
  • Broad Use Cases: Ideal as a replacement battery for PWCs, and also suitable where a compact, spill-proof 12V battery is needed—useful for emergency power backup, portable UPS units, and power tools when correctly adapted.
  • Hassle-Free Installation: Direct fit ensures simple swap with original battery, minimizing downtime and installation complexity.

Choose this STX20L-BS high-performance battery to keep your Yamaha watercraft starting reliably and powering accessories without worry. This long-lasting, maintenance-free replacement battery offers excellent value and peace of mind—order now to secure dependable power on the water.


Payment & Security

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