Residential ESS

J3-ULT-LV

  • 16.5K | Equipped with the storage battery HS36/HS25/HS51

The SolaX J3-ULT-LV is a high-performance residential ESS featuring multi-level BMS protection (IP65) for safety and 98% efficiency with 6kW continuous output. It supports smart energy management via SolaX Cloud and modular expansion (up to 46.4kWh), enabling flexible solar/backup/EV integration for optimized self-consumption. 

Product Advantage

Its intelligent control enables 24/7 remote monitoring, diverse communication options, and advanced safety functions like anti-reverse current. Additionally, the product delivers economic benefits, supporting large PV modules and utilizing ultra-wide range specifications for optimal energy output, even under low-light conditions.

Security

  • Compliant with Japanese standards (referencing JET system interaction standards)

  • Reliable dustproof and waterproof performance (compliant with protection level IP66)

  • Salt damage protection measures that can be safely used in heavy salt damage and salt-affected areas (optional accessory)

  • Complies with other standards such as vibration, impact, climate, EMC, etc


Economic benefits

  • Each circuit 36A can support large PV modules

  • Standard configuration with MPPT 3 independent circuits for solar panel string input

  • Adopts ultra-wide range specifications, allowing even small amounts of sunlight in the early morning to be effectively utilized


Intelligent control

  • Maintenance management & operation via network with remote monitoring

  • 7 days × 24 hours data monitoring and O&M (optional)

  • Diverse monitoring methods, Pocket Wi-Fi/LAN (optional)

  • Equipped with output control function and anti-reverse current function



Power Generation Efficiency

  • The entire circuit (6 string groups) is compatible with MPPT

  • The circuit can be divided to connect different numbers of solar panels

  • No impact on other circuits, each circuit generates power independently

  • Compatible with various solar modules under a wide range of input conditions

  • Available to connect up to 3 roof-mounted solar panels


Product Parameters

  • J3-ULT-LV-16.5K
  • J3-ULT-LV-16.5K
    • SOLAR DC INPUT

      Maximum input power

      33kW/3 circuits

      MPPT circuit number

      3 circuits

      MPPT voltage range

      150–700V/circuit


    • AC OUTPUT (DURING INTERACTION)

      Power supply method

      Single-phase 3-wire type

      Rated voltage

      AC 202V

      Rated output current

      47.2A


    • GENERAL

      PCS dimension

      Width 696 × Depth 240 × Height 526 mm

      PCS Weight

      47 kg

      Cooling mode

      Intelligent cooling

      Waterproof and dustproof level

      IP66


Data Download

  • Quick Installation Guide
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