Explore our highly integrated, grade-A industrial energy storage systems engineered for extreme resilience, fast thermal dissipation, and harsh ocean and land environments.
LFP Cycle Life
Single Container Capacity
Cell Quality Standard
Custom OEM/ODM Integration
Shenzhen PowerSTN Energy Co., Ltd. is a premier, China-based technology pioneer specializing in the engineering, manufacturing, and global export of advanced energy storage battery solutions. Designed to meet the stringent demands of residential, commercial, industrial, and high-performance maritime operations, our comprehensive systems support the clean energy transition across diverse marine and terrestrial grids. We focus on bridging the gap between volatile clean generation and continuous, high-efficiency power delivery.
With an unwavering commitment to engineering innovation, PowerSTN delivers a comprehensive portfolio of energy solutions. These include grid-scale containerized systems, modular lithium iron phosphate (LiFePO4) storage banks, hybrid marine microgrids, and high-precision thermal management modules. Every solution is meticulously configured to withstand the volatile thermal and physical stresses typical of maritime operations, vessel propulsion upgrades, and offshore infrastructure projects. By integrating high-performance Grade A+ cells and intelligent, redundant Battery Management Systems (BMS), we empower operators to maximize the economic efficiency of their clean investments.
Engineered with anti-corrosive, marine-grade enclosures, mechanical dampening, and moisture protection to withstand high-salinity coastal and open-sea operations.
Built exclusively on LiFePO4 chemistry. Equipped with multi-tier battery management systems that provide real-time cell-level diagnostics and CAN communications.
Fully compliant with international standards, delivering plug-and-play compatibility across off-grid, grid-tied, and localized marine hybrid microgrids.
The maritime and port sectors are undergoing a massive transition driven by strict international emissions standards, such as the IMO (International Maritime Organization) targets, and local environmental policies. Decarbonizing ports, vessel operations, and offshore installations is no longer optional; it has become a regulatory and operational necessity. This shift requires robust electrical distribution systems that can support high-load shore power connections (cold ironing), electric tugboat fast-charging, and auxiliary power units on large commercial vessels.
Implementing large-scale marine energy storage systems (MESS) presents unique technical challenges. Systems must operate reliably under conditions of constant vessel motion, vibration, high humidity, and salt spray, all while maintaining strict thermal control in confined shipboard spaces. Our commercial liquid-cooled and air-cooled battery cabinet designs, along with containerized high-capacity storage solutions (ranging from 120kWh to 4MWh), are engineered to address these challenges. By stabilizing microgrids, smoothing load profiles, and supplying emergency backup power, PowerSTN ensures that industrial marine facilities maintain complete operational continuity.
Modern battery architecture is moving rapidly toward liquid-cooled systems that provide precise thermal regulation across dense battery modules. Standard air-cooled systems, while effective for standard setups, often experience temperature imbalances in tight, high-humidity compartments, which can accelerate cell aging and reduce system life. By using advanced liquid-cooling paths directly across the battery chassis, we achieve temperature variations of less than 3°C between cells. This significantly extends battery cycle life and enhances safety.
The future of maritime energy relies on combining lithium storage with intelligent hybrid controls and solid-state safety frameworks. At PowerSTN, our design roadmap is focused on integrating IoT diagnostics and cloud-managed BMS software. This setup monitors State of Health (SOH) and State of Charge (SOC) in real-time, allowing operators to perform predictive maintenance before physical issues occur. Our systems also feature modular designs, allowing them to integrate easily with hydrogen fuel cells, offshore wind arrays, and solar microgrids as global energy networks transition to net-zero configurations.
Located in Shenzhen, the core hub of the global battery supply chain, Shenzhen PowerSTN Energy Co., Ltd. benefits from a highly integrated network of raw material sourcing, automated pack assembly, and rigorous testing facilities. This regional concentration ensures steady access to top-tier components, including EVE Grade A+ cells, advanced BMS electronics, and robust structural metals. By managing the supply chain locally, we bypass international logistics bottlenecks, maintain short production lead times, and consistently meet strict quality control standards.
Our manufacturing facility combines advanced automation with strict quality control. From initial cell sorting and module assembly to structural welding and dynamic thermal testing, every step is carefully monitored. PowerSTN's efficient production processes enable us to offer highly competitive pricing, reliable product consistency, and customizable OEM/ODM services to system integrators, distributors, and engineering contractors worldwide.
Energy needs vary significantly based on location, local environmental conditions, and grid infrastructure. Our systems are engineered to address the specific demands of different operating environments:
These cold, high-latitude environments require systems with heating capabilities and rapid-response liquid cooling to manage thermal variations. Our containerized microgrids ensure steady voltage during heavy load demands from shore power and hybrid ferry systems.
High temperatures, extreme humidity, and salty air require systems with robust environmental protection. Our IP65-rated battery cabinets and active cooling platforms shield critical components, ensuring reliable backup power and stable grids for remote communities.
For fleet terminal fast-charging, our high-density mobile battery systems provide high peak power without overload risks to local utility networks. This layout helps control costs by reducing peak demand charges during high-intensity charging windows.
Exporting energy storage solutions internationally requires strict adherence to regional safety and technical standards. All PowerSTN products are designed and certified to meet key global regulations, including CE, UN38.3, IEC 62619, and UL standards. This ensures smooth system approval, straightforward grid integration, and reliable operation across all project sites.
To support global deployments, we provide end-to-end technical assistance, including system layout design, installation advice, and remote troubleshooting. Our engineering team works closely with clients to address local grid requirements, ensure safe commission procedures, and maintain long-term system performance.
Technical inquiries regarding our engineering, materials, configuration, and shipping policies.
Our broad portfolio of energy storage equipment supports reliable grid operations, backup power, and localized green power distribution.
PowerSTN Energy