WJ Series

WJ Series

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WJ Series
  • WJ Series
  • WJ Series
WJ Series

WJ Series

WJ Series

The WJ Series is a low-voltage stacked residential ESS designed for reliable home backup and daily energy storage. Built with Tier-One LFP battery cells and intelligent BMS protection, it offers safe, stable, and flexible energy management for residential applications.

With IP65 protection, built-in heating, and modular expansion up to 300 kWh, the system is suitable for both indoor and outdoor installations while supporting long-term reliable operation.

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Specifications

  • Battery Type: LiFePO4 (LFP)
  • Capacity Range: 10.24 – 51.2 kWh
  • Usable Energy: 9.22 – 46.08 kWh
  • Rated Voltage: 51.2 V
  • Voltage Range: 43.2 – 58.4 V
  • Rated Power: 6.1 – 10 kW
  • Max. Output Power: 10 kW
  • Max. Charge/Discharge Current: Up to 200 A
  • Parallel Support: Up to 6 Clusters (300 kWh)
  • Protection Rating: IP65
  • Cooling Method: Natural Cooling
  • Operating Temperature: -20°C to 55°C
  • Communication: CAN / RS485 / Wi-Fi
  • Certifications: UN38.3 / IEC 62619 / IEC 61000 / IEC 62040
  • Warranty: 10 Years / 6,000 Cycles

Key Features

  • Built-in heating for low-temperature charging
  • Up to 6 clusters in parallel (300 kWh max.)
  • AI-powered battery safety detection
  • Optional dual-pole circuit breaker protection
  • Built-in fire extinguisher module
  • Natural cooling with low noise operation
  • Wi-Fi remote monitoring supported
  • Easy installation and maintenance

Accessories

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Technical documents for this product.

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