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The PXU-H3 is engineered with the installation and integration flexibility that European installers demand.
The PXU-H3 is engineered with the installation and integration flexibility that European installers demand. Its Customizable modular design allows homeowners to scale their system from a single 5.06 kWh unit to over 20 kWh, matching current and future energy needs perfectly. Crucially, the system boasts a high degree of universal compatibility with leading European hybrid inverters, avoiding the vendor lock-in of proprietary systems and ensuring the system remains future-proof as technology evolves.
Key Advantages
Scalable Capacity:
Start small and expand capacity later by simply adding more 5.06 kWh battery modules as your energy demands grow (e.g., EV adoption or heat pump installation).
Open Ecosystem Integration:
The high-voltage design (or compatible design) works seamlessly with major third-party hybrid inverters, providing installers and homeowners with maximum component choice.
Installer-Friendly Design (Plug-and-Play):
Simple, clean wiring and modular stacking significantly reduce installation time and labor costs, ensuring a faster path to commissioning and savings.
Technical Specifications
| TechnicalParameter | PXU-H3 |
| Battery Cell Type | CATL LiFePO₄ (LFP) |
| Capacity | 5.06 kWh |
| System IP Rating | IP66 |
| Operating Temp | -20°C ~ 50°C |
| Energy Density | 141Wh/kg |
| Control | APP Remote Control & AI Scheduling |
| Dimension (W×D×H) | 662×278×1375 mm for 2 batter Modules 662×278×1665 mm for 3 batter Modules 662×278×1955 mm for 4 batter Modules |
| Weight | 115kg for 2 batter Modules 150.5kg for 3 batter Modules 186kg for 4 batter Modules |
| Key Certification | VDE 2510, EN 50549-1, OVE 8001 |
| Key Features | Hybrid Inverter Ready, Instant Off-Grid Switch |
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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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