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5KWh Wall-Mounted Battery

5KWh Wall-Mounted Battery

Home Battery Backup

The PXU-B100-5 is 5kWh wall-mounted LiFePO4 battery is designed for apartments, small homes, and residential backup power systems.

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The PXU-B100-5 is 5kWh wall-mounted LiFePO4 battery is designed for apartments, small homes, and residential backup power systems. It features four-channel battery temperature monitoring (accuracy ≤2°C), intelligent SOC and SOH estimation, short-circuit protection, adjustable over-current protection, charge balancing, and multiple sleep and wake-up modes for improved efficiency. With dual RS485 communication, LED status indicators, and low standby power consumption, it provides safe, reliable, and efficient energy storage for everyday household applications. 


Key Advantages 

① Long Cycle Life: Built with premium Grade A LiFePO4 cells, this battery boasts a long cycle life of over 6,000 times under standard working conditions with an 80% depth of discharge. 

② High Precision BMS: It adopts highly integrated analog front ends, isolated power circuits and serial communication ICs, featuring ultra-high detection accuracy with voltage error within 20mV and current error lower than 2% full scale.

③ Wide Temp & Expandable: The battery works stably between -10℃ and 60℃, and supports parallel connection of up to 16 units for flexible capacity expansion. 


Technical Specifications

Model PXU-B100-5
Usable Energy 5.12KWh
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 100A @120S
Recommended Charge/Discharge Current 100A
Max. Output Power 5000W
Rated Output Power ≤4000W
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 51.5
Dimensions 700*400*171.5
Wi-Fi Connectivity


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Frequently
Asked Questions

  • What is an Energy Storage System (ESS)?

    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).

  • What are the core functions of ESS?

    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.

  • What’s the Core Components of ESS?

    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.

  • How Energy Storage Systems Work?

    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)

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