51.2V 280Ah LiFePO4 Marine Battery Pack with High Energy Density for Electric Boats and Yachts

51.2V 280Ah LiFePO4 Marine Battery Pack | Standard Box for Electric Boats and Yachts

The CTS 51.2V 280Ah LiFePO4 marine battery pack is a powerful and safe energy solution designed specifically for electric boats, yachts, and other marine applications. Using advanced lithium iron phosphate (LFP) cell technology, this battery pack combines high energy density, long service life, and outstanding safety, ensuring reliable performance in demanding environments on the water.

Built with a standard box structure, the battery is engineered for convenience and flexibility. Multiple modules can be installed together, supporting both series and parallel connections to achieve larger system capacities. With system layouts such as 8P17S, users can create customized energy systems that meet the needs of different vessel sizes, from small leisure boats to large yachts.

The battery is designed to comply with DNV standards, providing assurance of safety and quality for marine power systems. Its durable housing and waterproof protection guarantee stable operation even under harsh marine conditions such as humidity, salt spray, and vibration. The integrated Battery Management System (BMS) continuously monitors voltage, current, and temperature, offering multi-level protection against over-charge, over-discharge, over-current, and overheating.

Key Benefits:

• Large Capacity: 280Ah with reliable power for long-distance cruising.

• Durability: Over 6000 cycles at 80% depth of discharge, delivering years of service.

• Safe Chemistry: LiFePO4 technology with excellent thermal stability.

• Flexible Expansion: Modular design enables scalable system integration.

• Marine Standard: Meets DNV requirements, ideal for boats and yachts.

• Eco-Friendly Solution: Zero emissions, supporting clean and sustainable marine transport.

  This battery pack is not only suitable for marine propulsion but also works perfectly as part of onboard energy storage systems, providing electricity for navigation, lighting, communication, and auxiliary equipment. Its robust design and long lifespan help reduce maintenance costs while delivering consistent, high-quality power.

  By choosing the CTS 51.2V 280Ah LiFePO4 battery, shipowners and system integrators gain a dependable solution that enhances performance, safety, and efficiency for the next generation of electric vessels.

Hunan CTS is a manufacturer specializing in the R & D, production, sales and service of lithium battery packs.With 30 people R& D team who has rich experience, CTS focuses on high voltage battery customization for middle and high end markets, our batteries are widely used in various industries,  such as electric vehicles ,engineering machinery, electric boats , golf cartss, electric motorcycles, energy storage system, mobile charging station etc...

We always followed Strict quality control ensures the higher quality of products. With the concept of "customers the first, quality the life", we strictly follow I S O 9 0 0 1 and I A T F 1 6 9 4 9 management system through the production of every detail, each battery must be strictly tested before its delivery.  our battery products selling well in all cities around China,  also exported to multiple countries around the world,such as ,America, Australia, Canada,Italy, U K, Germany, South Korea, Thailand, etc, serving retailers, wholesalers, and manufacturers. We ensure robust after-sales support, our engineer team provide 24 hours  instant technical support, and our Overseas after-sales engineers provide on-site installation and debugging services.

Our battery products are recognized with CE and IEC certifications, underlining our commitment to quality and industry standards.