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SigmasTek  |  SKU: BW-18120

STX20HL-BS 12V 19Ah SLA Compatible Replacement Battery for 1996 Sea-Doo GTX (5640)

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

➤ Specifically designed for 1996 Sea-Doo GTX 5640 models

➤ Meets or exceeds OEM specifications for reliable performance

➤ 12V 19AH SLA battery delivers strong starting power and supports accessories

➤ Maintenance-free sealed lead acid design ensures safety and convenience

➤ Durable, leak-proof construction withstands harsh marine conditions


📦🚀 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

STX20HL-BS 12V SLA Battery for 1996 Sea-Doo GTX 5640

Restore dependable starting and accessory power to your 1996 Sea-Doo GTX 5640 with the STX20HL-BS replacement battery. Engineered as a maintenance-free, sealed lead acid (SLA) unit, this high-performance battery is built to meet or exceed OEM specifications for marine use—providing reliable, leakproof power that withstands harsh on-water conditions and gives you peace of mind when you head out.

Key Specifications

  • Model: STX20HL-BS
  • Compatible Model: 1996 Sea-Doo GTX 5640
  • Battery Type: Sealed Lead Acid (SLA), Maintenance-Free
  • Voltage: 12 Volts
  • Capacity: 19 AH (advertised in product text)
  • Alternate Capacity Reference: 18 Ah (appears in product pack/spec line)
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt
  • Design Notes: Durable construction; leak-proof design; exact fit dimensions for hassle-free installation

Benefits

This STX20HL-BS long-lasting battery is purpose-built for marine environments where moisture, vibration, and movement are everyday challenges. The sealed, maintenance-free SLA construction prevents spills and reduces maintenance tasks, so you can focus on boating instead of battery care. Its durable, leak-proof casing resists corrosive saltwater conditions and the shocks of trailering and rough water, delivering consistent starting power and dependable accessory operation.

As a high-performance battery, the STX20HL-BS offers ample capacity for starting your Sea-Doo and supporting onboard electronics like pumps, lighting, and navigational aids. The exact-fit dimensions and OEM-level compatibility make it a true replacement battery—simple to install with the included nut & bolt terminal system, ensuring secure connections and correct orientation.

Beyond its primary use in personal watercraft, this 12V SLA replacement battery is also well-suited for other applications requiring a robust, maintenance-free power source—such as emergency power packs, small UPS systems, portable tools, and marine accessories. Its dependable output and leak-proof design make it a versatile high-performance battery for demanding situations.

Choose the STX20HL-BS for a dependable, long-lasting battery replacement for your 1996 Sea-Doo GTX 5640. Order now to secure a reliable power source and get back on the water with confidence.


Payment & Security

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