We are thrilled to share recent feedbacks from our customers. After purchasing and installing the Keeppower 8S3P 21700 replacement battery pack for their old Foildrive surfboards, they expressed high satisfaction with its performance as a reliable Lift. They even sent us two authentic videos of their family effortlessly riding their eFoil, powered by our battery pack. The footage shows the boards gliding consistently and powerfully across the water, a clear demonstration of the battery’s exceptional performance under high-load, high-power output conditions.
We understand that for hydro foiling, a battery is not just a power source—it’s the foundation of your confidence on the water. This positive feedback validates our product design and reaffirms Keeppower’s technical expertise and reliability in the electric hydrofoil battery sector.
Why Our 8S3P 21700 28.8V/29.6V 15Ah Battery Pack is Your Ultimate Choice as an Alternative eFoil driving Battery Pack?
Instant, Robust Power——Supports a maximum continuous discharge current of 40A, effortlessly handling sudden high-power demands for rapid acceleration and high-speed cruising, ensuring uninterrupted power output.
高エネルギー密度, Uninterrupted Enjoyment——The 15Ah large capacity stores more energy in a compact form factor, significantly extending your ride time and letting you make the most of every session on the water. Your reliable power solution.
軽量 & Space-Saving Design——Constructed with lightweight materials and a space-saving structure, it reduces overall weight and perfectly fits narrow hull compartments. The optimized internal architecture lowers internal resistance, enhancing discharge efficiency.
Premium Cell Quality, Our Safety Foundation——Built with Samsung INR21700-50S power cells, guaranteeing high energy density, exceptional consistency, and superior thermal stability for safety and performance from the core.
Comprehensive Smart BMS Protection for Total Peace of Mind——The integrated smart BMS provides multi-layer protection against overcharge, 過剰充電, short circuits, and overheating, while actively balancing cells. An external display allows for real-time monitoring of voltage, 現在, and remaining capacity, putting you in full control.
Fully Customizable for a Perfect Fit——We offer complete customization services. Everything from connectors (like the Amass XT90), cable length, to capacity and voltage can be tailored to your specific efoil brand and DIY needs for seamless integration with your equipment.
Over the past year, Keeppower has proactively completed three iterations of upgrades. We have innovated everything from core materials to assembly processes, all to create lighter, higher-energy, and more reliable power solutions. The new generation of battery packs not only offers high energy density and strong power output but has also passed rigorous waterproof and shock resistance tests, making your gear more versatile and your DIY projects more liberated.
Your needs have always been our guiding direction. We not only provide standardized high-performance battery packs but also help clients tackle real-world application challenges through our deep customization services.
This genuine feedback from our customers is the highest affirmation of our product performance and service quality. In the future, Keeppower will continue to deepen its expertise in the electric hydrofoil sector, consistently delivering lighter, more powerful, and safer battery solutions for our global customers, helping you achieve an experience that exceeds expectations.