With over 10 years of experience in lithium battery manufacturing, SylCin has become a trusted partner for global boat manufacturers, marine distributors, and shipbuilders. We specialize in marine lithium batteries engineered for harsh marine environments—offering long cycle life, waterproof protection, vibration resistance, and exceptional safety.
Whether used in yachts, fishing boats, sailboats, ferries, or commercial vessels, SylCin’s marine lithium ion batteries deliver stable power, longer sailing range, and lower maintenance costs. Each LiFePO4 marine battery is designed to provide reliable energy at sea, ensuring safety and efficiency in every voyage.
👉 Start your marine battery project with SylCin today — power your journey with confidence.
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Why Choose SylCin Marine Batteries?
✔ Wide Application Coverage
SylCin marine lithium batteries are designed for diverse applications, including leisure yachts, sailboats, fishing boats, ferries, cargo ships, and offshore vessels. Suitable for both primary propulsion and backup power, our solutions ensure reliable performance in marine and offshore environments.
✔ Customizable Marine Battery Options
We provide OEM/ODM marine lithium ion battery solutions with flexible customization on voltage, capacity, waterproof rating (IP65+), weight, and BMS configuration. Whether you require long-range endurance or high-discharge performance, SylCin’s engineering team can tailor the right solution for your vessel.
✔ Safety & Reliability
Built with LiFePO4 marine battery cells and advanced Battery Management System (BMS), SylCin batteries offer multiple layers of protection against overcharge, over-discharge, overcurrent, and overheating. Each unit is marine-grade — waterproof, anti-corrosive, and vibration-resistant — ensuring safe and durable operation even in rough seas.
✔ Certified for Global Use
All SylCin marine lithium batteries comply with CE, UN38.3, MSDS, RoHS, IEC62133, IEC62619, and marine-grade certifications. These certifications ensure global safety compliance, reliability, and smooth international logistics.
✔ Flexible Cooperation Models
SylCin offers OEM/ODM services, private labeling, and long-term partnership programs. We support global marine businesses with scalable production, reliable supply, and full branding flexibility.