Hunan CTS Technology Co,.ltd
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Product Specification
| High Light | 314Ah lithium ion boat battery ，409V marine battery heavy duty ，EV battery pack with warranty | ||
The global transition to electric and hybrid marine propulsion is accelerating across yachts, catamarans, and commercial vessels. As operators seek cleaner, quieter, and more efficient power solutions, lithium battery systems are becoming the preferred choice.
CTS Battery provides customized high-voltage lithium ion marine battery solutions for heavy-duty applications. The 409V 314Ah battery pack is designed to deliver reliable propulsion power, long service life, and safe operation under demanding marine conditions.
Our solutions are designed to deliver:
Whether building a new electric vessel or upgrading an existing system, CTS helps you create a safe, high-performance, and future-ready marine power system.
Marine vessels operate in corrosive saltwater, high humidity, and constant vibration. This battery system features IP67 protection, corrosion-resistant enclosure, and robust structural design to ensure long-term durability.
Compared to traditional lead-acid batteries, lithium batteries offer significantly higher energy density, reducing weight and improving vessel efficiency and range.
Built-in intelligent Battery Management System ensures:
Different vessels require different power solutions. We offer:
The high-voltage system integrates seamlessly with marine motors, inverters, and energy management systems, making it ideal for both new builds and retrofits.
| MODEL | CTS51314 |
| ELECTRICAL SPECIFICATIONS | |
| Cell Type - Chemistry | Prismatic lifepo4 cell - 314Ah, 1P16S |
| Rated Capacity | 314Ah |
| Rated Voltage | 51.2V |
| Energy | 16.07Wh |
| MECHANICAL SPECIFICATIONS | |
| Dimensions (L x W x H) | L870*W500*H242mm |
| Weight | About 110Kg |
| Housing Material | Lower case aluminum alloy, upper cover stainless steel |
| Enclosure Protection | IP67 |
| DISCHARGE SPECIFICATIONS | |
| Discharge Cut-off Voltage | 40V |
| 300A max | |
| Peak Discharge Current(@25℃) | 560A for 30 seconds |
| CHARGE SPECIFICATIONS | |
| Charging Limited Voltage | 58.4V |
| Max Charging Current(@25℃) | 140A |
| Recommend Charge Current (@25℃) | Less than 140A |
| TEMPERATURE SPECIFICATIONS | |
| Charge Temperature Range | 0~45℃ |
| Discharge Temperature Range | -20~55℃ |
| Recommended Operating Temperature | 15~35℃ |
| Storage Temperature & Humidity Range (Less than 1 month) | -20~35℃, 45~75%RH |
| Storage Temperature & Humidity Range (Less than 3 months) | -10~35℃, 45~75%RH |
| Recommended Storage Temperature & Humidity Range | 15~35℃, 45~75%RH |
| Other | |
| Cooling Method | Build in Pi heating film, Build in liquid cooling plate |
At CTS Battery, we don’t just supply batteries — we provide complete high-voltage marine power solutions.
With strong OEM/ODM capabilities, we support your project from concept to delivery. Whether you are developing a new electric vessel or upgrading an existing one, choosing the right battery partner is critical.
Send us your project requirements — our engineering team will respond within 24 hours.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2011
Total Annual:
10000000-15000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
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 industri... 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 industri...
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