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Choose the PXU-G Energy Storage System –Make every kilowatt count.
With its fully integrated design, the system saves valuable space and ensures fast, plug-and-play deployment.
Grid fluctuations, sudden outages, and unstable power supply don’t just wear down your equipment—they can disrupt production, delay deliveries, and cost you customers.
Choose the PXU-G Energy Storage System –Make every kilowatt count.
With its fully integrated design, the system saves valuable space and ensures fast, plug-and-play deployment.
Brand & Competitive Advantages
| Cost Saving | Reduces peak-time electricity costs through energy scheduling |
| High Efficiency | ≥98% power conversion efficiency ensures energy utilization |
| Long Battery Life | Liquid cooling keeps cell temperature difference ≤3°C |
| All-in-One Design | Integrated cabinet, pre-tested and ready to install |
| Smart Management | EMS & cloud platform enable real-time monitoring |
Wenzhou Pengxu Trading Co., Ltd. is among the trusted energy storage system manufacturers and solution providers for global markets.
Technical Specifications
| Item | Parameter |
| Model | PXU-G |
| Battery Type | CATL LiFePO₄ (LFP) 285Ah |
| Energy Capacity | 232kWh |
| Rated AC Power | 115kW |
| Voltage Range | 728～936VDC |
| P-rate | 0.5P |
| Cooling Method | Liquid Cooling |
| Operating Temp. | -25～55 °C (>45℃ derating) |
| Protection Level | IP65 |
| Parallel Units | Up to 10 |
| Certifications | UN 38.3, UN 3480, UL 1973, UL 9540A, UL9540, IEC 62619, IEC 61000-6-2/-4, IEC 62477-1, IEC 60356, IEC 60730-1 |
| System Dimensions (W×D×H) | ≈1500×1300×2000mm |
| Weight | ≈3.5T |
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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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