Shenzhen Racern Technology Co., Ltd. is proud to announce that its self-developed RS-J317AF-001 (air-cooled) and RS-J317LF-001 (liquid-cooled) marine lithium-ion battery systems have officially received DNV Type Approval Certificate (No. TAE0000571). Valid until February 2031, this certification confirms that Racern’s marine battery systems fully comply with the latest DNV rules effective July 2025, making them eligible for installation on all DNV-classed vessels and offshore units. This achievement adds another robust green solution to the global maritime industry’s energy transition.
As a specialized integrated service provider of marine lithium-ion battery systems, Racern Technology’s newly certified RS-J317 series is specifically designed for battery-powered vessels, hybrid ships, and offshore installations. Built with lithium iron phosphate (LFP) cells, the system comprises battery modules (BMBOX), a high-voltage junction box (BSBOX), and a domain control box (BABOX) in an integrated rack-mounted architecture. It incorporates multiple core safety functions including thermal management, fire suppression, and thermal runaway protection, delivering uncompromised safety and performance.
Key Features:
- High energy density, highly integrated design
Maximum rated voltage per cluster: 1,081.92V
Maximum capacity per cluster: 343 kWh
Up to 6 clusters in parallel per domain, reaching a total capacity of 2,058 kWh to meet diverse marine power demands - Air-cooled and liquid-cooled options available
Maximum continuous charge/discharge currents: 0.6C / 0.9C respectively, adaptable to various operating profiles - Distributed BMS with full-chain monitoring and protection
Integrated independent temperature sensing, smoke alarms, and emergency stop functions
IP67 ingress protection rating for harsh marine environments - Dual local/remote control with 10.1-inch touchscreen HMI
Visualized operation, adjustable parameters, full data traceability, and convenient maintenance
From cell, module, to complete system – Racern Technology manages the entire R&D and design chain. The system has successfully passed DNV’s rigorous type testing, thermal propagation testing, EMC testing, and other certification requirements. This approval not only represents high-level recognition of Racern’s technical strength by an internationally renowned classification society but also serves as a critical passport for the company’s expansion into global maritime markets.
Looking ahead, Racern Technology will continue to deepen its expertise in the marine lithium-ion battery sector, delivering compliant, reliable, and highly efficient solutions to support the maritime industry’s low-carbon transformation – ensuring safe and reliable electric and hybrid propulsion for vessels and offshore facilities worldwide.