Envision Energy, a global leader in green technology, introduces its next-generation EN 5 Pro 5MWh all-in-one String PCS Energy Storage System at Smarter E Europe 2025.Featuring a high-efficiency DC+AC architecture, cutting-edge safety technology, and intelligent analytics, the EN 5 Pro sets a new benchmark for scalable, high-performance energy storage systems optimized for utility-scale applications.
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"As demand for grid-flexible, high-efficiency storage solutions accelerates globally, the EN 5 Pro provides a future-ready answer by integrating performance, safety, and intelligence into a compact all-in-one package," said Dr.
Kotub Uddin, Chief Engineer of Envision Energy, "With industry-leading efficiency, seamless grid-forming capability, and intelligent O&M features, this product enables our partners to maximize both system reliability and revenue potential." Higher Performance & Lower LCOE The EN 5 Pro delivers 2.5 MW / 5 MWh per container, enabled by pre-lithiated cell technology that ensures zero degradation for the first three years.The system achieves over 99% efficiency and boots round-trip efficiency (RTE) by approximately 1% through advanced SiC technology.Its string PCS architecture enables cluster-level control and eliminates bottlenecks to support superior energy dispatch and system optimization.
The all-in-one DC+AC architecture significantly reduces Levelized Cost of Energy (LCOE) through dual liquid-cooling and intelligent temperature control, and convenient O&M with a pre-assembled, rapidly deployable system. Enhanced Safety & Max Durability Safety is central to Envision's innovation.The new EN 5 Pro's triple-fuse cell technology adds multi-layer of protection.Coupled with a Prevention First Fire Safety Strategy, this technology ensures that safety is prioritized at every stage of operation.
Designed for harsh environments, the system operates reliably from -40°C to +55°C and is built to IP55 and C5 protection rating for salt spray, dust, high humidity, and corrosion resistance.
Grid-Forming Ready & Revenue Optimization
With robust grid-forming capabilities, the EN 5 Pro operates stably at SCR ≥ 1.0, and transitions seamlessly across on-grid, off-grid, grid-following, and grid-forming modes.Black-start capability support for ancillary services such as FFR and SoC-based dispatch unlocks additional revenue streams, while an intelligent analytics engine enables early fault detection and predictive maintenance.
With the EN 5 Pro, Envision Energy continues to accelerate the global transition toward a net-zero future by delivering smart, safe, and scalable energy storage solutions designed for real-world performance.
Our RE Series batteries are designed to provide the highest peak capacity, longest cycle life, and greatest reliability for use in industrial or residential renewable energy applications.Renewable Energy Series batteries utilize the company's exclusive XC2 formulation and Diamond Plate Technology to create the industry's most efficient battery plates, delivering greater watt-hours per liter and watt-hours per kilogram than any other flooded lead-acid battery in the market.
Our Deep Cycle batteries are engineered to work with solar panels as well as other renewable energy applications.
