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SigmasTek  |  SKU: BW-18307

Kawasaki (Jet Ski) 1200CC STX-12F (2002-2007) High Performance Replacement Battery

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

➤ Maintenance-free AGM design eliminates the need for acid filling

➤ Spillproof and leakproof for safe and hassle-free use

➤ Superior starting power with deep cycle capacity for reliable performance

➤ Extreme resistance to freeze, heat, and vibration ensures durability

➤ Brand new, factory fresh with a 6-month warranty for peace of mind


📦🚀 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

Replacement Battery for Kawasaki (Jet Ski) 1200CC STX-12F (2002-2007)

Keep your Kawasaki (Jet Ski) 1200CC running strong with this STX-12F replacement battery. Engineered as an AGM maintenance-free unit, this high-performance battery provides the reliable starting power and rugged durability required for marine and personal watercraft use. Designed to resist moisture, vibration, and extreme temperatures, it’s a dependable solution for seasonal riders and watercraft enthusiasts alike.

Key Specifications

  • Compatibility: Kawasaki (Jet Ski) 1200CC STX-12F, 2002-2007
  • Brand: SigmasTek
  • Model: STX-12F
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Design: AGM (Absorbed Glass Mat), Maintenance-Free
  • Safety/Certifications: U.L. Recognized, CE Certified
  • Features: Spillproof, Leakproof, Valve Regulated Vent System
  • Environmental Resistance: Extreme freeze, heat and vibration resistance
  • Performance: Superior starting power and deep cycle capacity
  • Condition: Brand New, Factory Fresh
  • Warranty: 6 Month Warranty

Benefits

Marine environments demand batteries that can resist vibration, moisture, and temperature extremes — this STX-12F replacement battery meets those demands with a sealed AGM design that’s both spillproof and maintenance-free. The valve-regulated vent system and robust construction allow consistent, reliable starts even after periods of inactivity or exposure to rough conditions. The increased capacity and deep-cycle capability ensure you have enough reserve power for accessories and prolonged use between charges.

Longevity and low upkeep are major benefits: the long-lasting battery design reduces the need for frequent replacements, while the maintenance-free operation means no acid filling or fluid checks. With UL recognition and CE certification, you get a product built to recognized safety and quality standards and backed by a 6 month warranty for added assurance.

While optimized for Jet Skis, the STX-12F’s high discharge performance and rugged build also make it suitable for other demanding applications such as emergency power packs, small UPS systems, and portable power tools where reliable, compact power is required. Its robust starting capability provides confidence in any high-demand situation.

Don’t get stranded on the water — equip your Kawasaki Jet Ski with this high-performance, long-lasting battery today. Click to purchase the replacement battery now and enjoy dependable starts and durable performance season after season.


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