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The PXU-B200-7.5, 10kWh wall-mounted battery is developed for medium-sized residential solar energy storage systems that require higher daily energy capacity.
The PXU-B200-7.5, 10kWh wall-mounted battery is developed for medium-sized residential solar energy storage systems that require higher daily energy capacity. It integrates four-channel temperature monitoring, accurate SOC and SOH estimation, adjustable protection settings, intelligent charge balancing, and multiple operating modes to maximize battery performance. Supporting dual RS485 communication, LED indicators, and low power consumption, it delivers stable operation, improved energy utilization, and dependable backup power for modern homes.
Key Advantages
① Ultra Long Lifespan: Adopting high-quality LiFePO4 cells, all models achieve over 8,000 charge-discharge cycles at 25°C, 70% DOD and come with a design service life of more than 10 years.
② High Energy Utilization: The battery supports a discharge depth of over 95%, fully releasing stored solar energy and greatly improving household photovoltaic self-use efficiency.
③ Smart & Compatible BMS: Built-in intelligent BMS equipped with CAN, RS485 and Wi-Fi communication can seamlessly connect with most brands of hybrid solar inverters and support remote monitoring.
Technical Specifications
| Model | PXU-B200-7.5 |
| Usable Energy | 10.24KWh |
| Battery Chemistry | LiFePO4 |
| Nominal Voltage | 51.2 |
| Operating Voltage Range | 58.6 |
| Charge Cut-off Voltage | 44 |
| Discharge Cut-off Voltage | 11 |
| Max. Charge/Discharge Current | 150A @120S |
| Recommended Charge/Discharge Current | 200A |
| Max. Output Power | 7500W |
| Rated Output Power | ≤6000W |
| Depth of Discharge | ≥95% |
| Parallel Connection | 1-16 in parallel |
| Communication Interface | CAN&RS485 |
| IP Rating | IP20 |
| Cycle Life | ≥8000@25°C, 70%DOD |
| Operating Temperature Range | Discharge.-20°C to +60°C Charge.+0°C to +55°C |
| Net Weight | 88.72 |
| Dimensions | 820*500*199 |
| Wi-Fi Connectivity | √ |
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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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