High Voltage LiFePO4 Battery DIY Kit (288V–864V) | Complete Kit with BMU, HV Box, and Fan Cooling

Build a powerful and customizable energy storage system with this High Voltage LiFePO4 Battery DIY Kit, ideal for solar ESS, EV conversions, and industrial backup power. This all-in-one kit includes all essential components to assemble a high-voltage LiFePO4 battery pack, with a nominal voltage range from 288V to 864V. The modular design and advanced BMU make it suitable for professional and advanced DIY applications.

Key Features:

• Wide Voltage Range: Supports system configurations from 288V (90S) up to 864V (270S), in increments of 18S per battery module.

• Standard Cell Type: Designed for 3.2V LiFePO4 prismatic cells, commonly 100Ah–280Ah (cells not included).

• Integrated BMU: Intelligent Battery Management Unit with support for CAN/RS485 communication, real-time monitoring, and active/passive balancing across modules.

• High Voltage Interface Box: Includes main contactor, pre-charge circuit, fuse, circuit breaker, and HV connectors, ensuring safe and streamlined integration with external systems.

• Fan Cooling System: Equipped with temperature-controlled active cooling, ideal for high-load or continuous operation environments.

• Complete DIY Kit: Comes with busbars, high-voltage cabling, cell holders, thermal sensors, communication wiring, and user manual—everything required to assemble your system with confidence.

Technical Specifications:

• Voltage Configuration: Modular 18S groups (57.6V nominal per module)
  – 288V = 5 modules (90S)
  – 576V = 10 modules (180S)
  – 864V = 15 modules (270S max)

• BMU Communication: CANBus / RS485, compatible with most hybrid and off-grid inverters

• Cooling: High-performance forced-air cooling system

• Operating Temp: -20°C to +55°C

• Safety Protections: Over-voltage / under-voltage, over-temp, pre-charge, short-circuit, HV interlock, insulation detection

Application Scenarios:

• Residential and commercial solar energy storage

• Electric vehicle battery systems

• Industrial UPS and backup power

• Custom high-voltage ESS solutions

• DC fast charging stations

Whether you're a system integrator or energy engineer, this HV LiFePO4 battery DIY kit provides a professional-grade foundation for scalable and safe high-voltage power systems. Simply pair with your preferred 3.2V LiFePO4 cells and start building your next-generation energy solution.