Kawasaki (Jet Ski) 800CC JS800 SX-R High Performance Replacement Battery (2003-2009)
Couldn't load pickup availability
⚠️ 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.
📸 Send Your Battery Photo / Unsure? Expert Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE
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.
💲 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
⚠️ 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 JS800 SX-R (2003-2009) Jet Ski
This replacement battery is tailored for Kawasaki Jet Ski 800CC JS800 SX-R models from 2003 to 2009, delivering dependable performance and maintenance-free convenience. As an AGM high-performance battery, it offers a spill-proof, leakproof solution for marine environments where splash, vibration, and temperature extremes are common. Enjoy superior starting power and long-lasting battery reliability so your watercraft starts quickly and runs without worry.
Key Specifications
- Model Compatibility: Kawasaki (Jet Ski) 800CC JS800 SX-R, 2003-2009
- Brand: SigmasTek (compatible with Kawasaki)
- Voltage: 12 Volts
- Capacity: 18 Ah
- Terminal Type: Nut & Bolt
- Design: Absorbed Glass Mat (AGM) - Maintenance-Free
- Safety: Spillproof and Leakproof Design
- Certifications: U.L. Recognized and CE Certified
- Valve Regulated Vent System
- 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
Built for the rigors of marine use, this replacement battery provides exceptional durability and a long life compared with traditional flooded batteries. The AGM construction prevents spills and allows secure installation in confined spaces common to Jet Ski battery compartments. The valve-regulated design and robust seals ensure leakproof operation even under extreme freeze, heat and vibration stresses. As a high-performance battery, it supplies the quick burst of power needed for reliable engine starts and sustained power for bilge pumps, lights, and other onboard accessories.
Typical applications include Jet Ski starting systems, marine accessory power, emergency backup for onboard electronics, and any high-rate discharge use where dependable starting and recovery matter. The maintenance-free design makes it ideal for seasonal watercraft owners who want a dependable long-lasting battery without the hassle of routine water or acid checks.
Ready to upgrade your Kawasaki JS800 SX-R? Purchase this long-lasting, high-performance replacement battery today and ensure reliable starts and worry-free operation on the water. Order now for fast shipping and peace of mind.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Polarity
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.