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  SAJ EK70 BU5-9.0-TV 9kWh High-Voltage LiFePO4 Battery Storage Module

  Expand your energy storage system with the SAJ EK70 BU5-9.0-TV High-Voltage Battery Module. Built with premium 314Ah LiFePO4​ cells, this 9.0kWh expansion module provides 100% usable energy capacity and an exceptional 10,000-cycle design life for maximum longevity and return on investment.

  Engineered specifically for the modular SAJ EK70 system, each battery features a built-in DC/DC optimizer to allow independent module charging and discharging, ensuring optimal stack efficiency.

  Key Features & System Highlights

  • 9.0kWh 100% Usable Capacity: High-density 314Ah Lithium Iron Phosphate (LiFePO4​) cells with full 100% Depth of Discharge (DoD).

  • Integrated DC/DC Optimizer: Allows each battery module to charge and discharge independently, eliminating capacity bottlenecks across the stack.

  • Modular & Scalable Design: Easily expand your setup by stacking 2 to 6 modules per inverter system.

  • 10,000 Cycle Long-Life Rating: Built for long-term reliability under specified testing conditions.

  • Advanced Multi-Layer Safety: Features internal temperature sensors, an aerosol thermal fire suppression system, and a dedicated decompression valve.

  • IP66 Outdoor Rated: Heavy-duty enclosure rated IP66 for flexible indoor or outdoor installation.

  • 10-Year Warranty: Backed by a standard 10-year manufacturer warranty.

  System Compatibility

  Designed for seamless integration with both Single-Phase and Three-Phase SAJ EK70 Hybrid Inverter lineups:

  • Single-Phase Models: EK70 HS5-5K-S3-X | EK70 HS5-8K-S3-X | EK70 HS5-10K-S4-X

  • Three-Phase Models: EK70 HS5-10K-T3-X | EK70 HS5-15K-T3-X | EK70 HS5-20K-T3-X

  Technical Specifications

  • Module Model: SAJ EK70 BU5-9.0-TV

  • Total / Usable Energy Capacity: 9.0 kWh (100% DoD)

  • Cell Type / Capacity: Premium LiFePO4​ (314Ah)

  • Inverter Module Scalability: 2 to 6 modules per system stack

  • Internal Safety Systems: Temperature sensors, Aerosol fire suppression, Decompression valve

  • Ingress Protection Rating: IP66

  • Dimensions (W x H x D): $835\text{ mm}\times 270\text{ mm}\times 270\text{ mm}$

  • Weight: 79.2 kg

  • Design Life: 10,000 Cycles

  • Standard Warranty: 10 Years

  Package Includes:

  • 1x SAJ EK70 BU5-9.0-TV 9.0kWh High-Voltage LiFePO4​ Battery Expansion Module