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The PXU-T Containerized ESS is engineered as a high-performance utility asset, capable of providing critical stability and revenue services to the power grid.
The PXU-T Containerized ESS is engineered as a high-performance utility asset, capable of providing critical stability and revenue services to the power grid. Available in flexible capacities up to 4.07 MWh and designed for 1-4 hour long-duration applications, PXU-T excels in frequency regulation, capacity firming, and energy arbitrage.
Application Scenarios
Pain point: Grid operators require high-efficiency, reliable, and large-scale storage that can perform fast-response services and sustained energy discharge to manage grid peaks and troughs.
Solution: Utilizes the system’s ≥ 93% RTE to maximize profits from energy price volatility by efficiently cycling energy during peak and off-peak periods. Provides reliable, dispatchable capacity for 1 to 4 hours, ensuring the grid has firm power reserves as traditional generation sources retire. The standardized 20ft design and pre-tested nature significantly accelerate project deployment, reducing connection time and soft costs.
Technical Specifications
| PRODUCT MODEL | PXU-T-285 | PXU-T-306 |
| BATTERY SPECIFICATIONS | ||
|---|---|---|
| Batter Type | LFP | |
| Batter Model | 285Ah | 306Ah |
| Max. Energy Capacity | 3793kWh | 4073kWh |
| Energy Capacity | 379.3kWh×N (5≤N≤10)407.3kWh×N (5≤N≤10) | |
| Voltage Range | 1164.8～1497.6Vdc | |
| Max. Charging&Discharging Power | 3793kW | 2000kW |
| P-rate | 1P | 0.5P |
| Cooling Method | Liquid Cooling | |
| Ingress Protection | IP55 | |
| System Dimensions (W×D×H) | 6058 ×2438×2896mm | |
| Weight | ≈35T | |
| DC Channel | 2/N | 1/2/N |
| Cerifcations | UN 38.3, UN 3536, UL 1973, UL 9540A, IEC 62619, IEC 61000-6-2/-4, IEC 62477-1, IEC 62933-5-2, IEC 63056, IEC 60730-1 | |
| GENERAL SPECIFICATIONS | ||
| Operating Temperature Range | -25～55°C (>45℃ derating) | |
| Relative Humidity Range | 0～95% (No Condensation) | |
| Max. Working Altitude | 4000m (>2000m derating) | |
| Fire Safety Equipment | Heat detectors, Aerosol, Smoke detectors, Flammable gas detector, Exhausting system, Dr pipe (optional) | |
Brand & Competitive Advantages
Flexible Capacity Architecture
5 to 10 racks configuration simplifies system sizing for specific grid tender requirements (e.g., 2.5 MWh, 4 MWh).
Quadruple Fire Protection System
Sets the standard for large-scale asset safety and regulatory compliance.
Intelligent Power Management
EMS Ensures System Saftey. Cloud Platform Monitors Status.
Filters
Products
An Energy Storage System (ESS) is a technology or set of technologies designed to capture, store, and release electrical energy (or energy in other forms that can be converted to electricity) on demand. Its core purpose is to address the temporal and spatial mismatches between energy supply and demand—for example, storing excess energy generated during low-demand periods (e.g., midday solar production) and releasing it during high-demand periods (e.g., evening peak usage) or when supply is limited (e.g., nighttime wind lulls).
ESS solves critical challenges in modern energy systems by performing five key roles:
● Peak Shaving: Reduces reliance on expensive "peak power plants" (which only operate during high-demand hours) by releasing stored energy during peak periods. This lowers electricity costs for users and grid stress.
● Load Leveling: Smooths out fluctuations in energy supply (e.g., variable output from solar/wind) by absorbing excess energy when production is high and discharging when production drops.
● Backup Power: Provides emergency electricity during grid outages (e.g., residential battery systems for blackouts, hospital backup ESS).
● Grid Stabilization: Maintains grid reliability by regulating frequency (frequency response) and voltage—critical for integrating high shares of renewable energy, which can cause sudden supply swings.
● Renewable Integration: Enables more solar and wind power to be used (instead of wasted, or "curtailed") by storing surplus energy that would otherwise exceed immediate demand.
● Battery Cells and Modules: The main energy storage units, typically based on lithium-ion chemistries such as LFP for safety and longevity.
● Battery Management System (BMS): Ensures balanced voltage and temperature across cells for optimal safety.
● Power Conversion System (PCS/Inverter): Converts energy between DC and AC for smooth integration with loads or grids.
● Energy Management System (EMS): Acts as the “brain” — optimizing operation, predicting consumption, and maximizing ROI.
● Thermal & Fire-Safety Systems: Maintain safe temperature levels and comply with UL/IEC standards.
● Charging: Energy source (grid/photovoltaic/wind power) → AC → PCS (rectification) → DC → energy storage medium (storage)
● Control: EMS (decision-making)+BMS (protection) → full process linkage PCS/energy storage medium
● Discharge: energy storage medium (release) → DC → PCS (inverter) → AC → energy destination (grid/load/emergency)
● Guarantee: Auxiliary system (cooling/fire protection) → Full process safety guarantee
Core closed-loop: AC ↔ PCS ↔ Energy storage medium ↔ PCS ↔ AC (EMS/BMS+auxiliary system escort)
News
Under the dual pressures of global climate change and energy transition, the development of renewable energy has become a common strategic choice of the international community and a shared life pursuit of people around the world.
Energy storage, or energy storage technology, refers to the process of storing electrical energy in various energy forms and releasing it when needed, so as to balance the supply and demand of electricity.
Against the backdrop of the explosive growth in global demand for efficient and stable energy storage systems driven by the global energy transition,
As the global energy transition accelerates, there is an intense demand for renewable energy worldwide.
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