High-Density PowerCell
$2,000.00
Get it between July 29 and July 31.
Low in stock
✓ Used by Hundreds of Customers
✓ Trusted by Sailors Nationwide
✓ Expert Customer Service
✓ Bulk Pricing Available
At MarineXGear, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.
If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.
Refer to our Refunds & Return Policy for more details.
Order Processing
Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.
Please allow 1-3 days for processing your order.
Shipping
We ship to the lower 48 continental United States only at this time.
Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@marinexgear.com.
We will send tracking information by email the same day the shipping tracking number is created/available.
Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and MarineXGear. Once you accept your shipment as non-damage, your item is your property.
Hydrix High-Density PowerCell Battery - Replacement Electric Surfboard Battery
Double Your Ride Time: The Ultimate Upgraded Marine Power Source
Don't let a low battery cut your time on the water short. The Hydrix High-Density PowerCell Battery is the official, premium lithium-ion replacement and backup power pack designed exclusively for the Hydrix Electric Surfboard lineup. Whether you are looking to replace an old cell or want a hot-swappable second battery on the boat to double your ride time, the High-Density PowerCell ensures you stay out on the waves longer.
Advanced High-Density Energy Storage Engineered using high-rate automotive-grade lithium-ion cells, this massive battery pack packs an impressive 6,300 Watt-hours (Wh) of pure energy. Thanks to its industry-leading energy density matrix, it delivers maximum electrical output with a minimized weight profile. This allows the Hydrix propulsion system to hit its legendary top speeds of up to 43.5 mph without bogging down your e-surfboard with unnecessary mass.
IP68 Sealed "Vault" Safety Technology Operating electronics in high-stress marine environments requires absolute engineering perfection. The Hydrix PowerCell is enclosed inside a rugged, impact-resistant housing featuring IP68-rated vacuum sealing. This completely liquid-tight vault safeguards the interior cells against water ingress, corrosion, and extreme temperature fluctuations, ensuring 100% stable power transmission whether you are carving through freshwater lakes or harsh coastal salt waters.
Key Highlights:
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Instant Hot-Swap Design: Features an ergonomic quick-release handle system that allows you to swap out a depleted battery for a fresh PowerCell in under 60 seconds—no tools required.
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Massive 6,300Wh / 75Ah Capacity: Delivers up to 45–60 minutes of extreme, high-intensity riding (or up to 90 minutes of casual flat-water cruising) per charge.
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Intelligent Battery Management System (BMS): An integrated digital BMS monitors voltage, temperature, and overcharge parameters in real-time, prolonging overall cell life and ensuring safe rapid-charging.
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1500+ Charge Cycles: Built for maximum longevity, the advanced cell chemistry retains 80% or greater of its original capacity even after 1,500 full charge-discharge cycles.
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Integrated LED Power Indicator: A built-in, waterproof exterior LED display lets you check your exact battery percentage with a simple press of a button before hitting the water.
Tab 1: Technical Specifications
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Battery Type: High-Rate Automotive-Grade Lithium-Ion
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Capacity: 75 Ah / 6,300 Wh
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Waterproof Rating: IP68 Fully Submersible (Sealed Marine Vault Design)
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Battery Cycle Life: 1,500+ full cycles (retains ≥80% capacity)
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Weight: Approx. 28.5 kg (62.8 lbs)
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Compatibility: Optimally engineered for the Hydrix Apex and Hydrix One Electric Surfboard models
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Charging Time: Approx. 2.5 hours with the Hydrix 15A Smart Fast Charger (sold separately)
⚠️ Storage Tip: For maximum battery health and longevity, always store your Hydrix PowerCell in a cool, dry place at approximately 40% to 60% charge if it will sit unused for longer than 30 days.
Tab 2: Technical Safety & Certification
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Dual-stage short-circuit protection
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Over-voltage, under-voltage, and over-current automated shutoffs
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Thermal runaway prevention matrices
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UN38.3 Certified for maritime transportation safety
Why Choose MarineXGear
At MarineXGear, we believe true peace of mind on the water starts with having the right equipment. Our mission is simple: to be the trusted destination for premium marine gear and dependable on-water solutions. Every product we carry — whether navigation systems, safety equipment, marine electronics, or boat accessories — is carefully chosen to help you perform at your best, stay safe, and get the most out of every voyage.
A+ Customer-First Approach
We're more than an online store — we're your partner on the water. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you're outfitting a vessel for the first time, upgrading your gear, or need expert advice on a specific product, our specialists are always just a call or email away.
Passion for Wellness & Resilience
Our brand is built on a genuine love for the sea. We live and breathe marine equipment — and when you reach out to MarineXGear, you'll connect with experts who understand both the technical specs of our products and the on-water lifestyle they support.
Trusted Experts, Curated Brands
We partner directly with the most respected names in the marine industry. Our curated selection ensures every product meets our high standards for quality, durability, and performance on the water. With MarineXGear, you shop with confidence, knowing you're investing in proven gear backed by full manufacturer warranties.
More Reasons to Choose MarineXGear
- Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
- Free Shipping – Enjoy free delivery on most orders across the lower 48 U.S. states.
- 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
- Exclusive Packages & Volume Discounts – Customized solutions available for clinics, wellness centers, and large orders.
- Authorized Dealer – Every order is protected with full manufacturer support and warranties.
At MarineXGear, we're committed to keeping you safe, equipped, and confident on the water. With our expertise, personalized service, and carefully curated selection, you can invest in your vessel and your adventures with complete peace of mind.
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