GCE 160S512V 250A LFP System BMS High Voltage BMS Battery Management System for ESS & UPS Lithium Battery Energy Storage

160S 512V 250A Master Slave High Voltage BMS | 4U Rack Mount Battery Management System for LFP NCM LTO UPS ESS Off-Grid Microgrid Solar BESS

Our RBMS07-S20-250A512V 4U high-voltage rack BMS adopts a mature three-layer BMU+RBMS+SBMS master-slave distributed architecture, perfectly matching 16-series lithium modules to build a full 160S 512V 250A energy storage system. Compatible with LiFePO4, NCM, and LTO lithium cells, this industrial-grade battery management system serves multiple energy scenarios including large-scale commercial ESS, household energy storage, off-grid solar power stations, carport solar systems, microgrids and industrial UPS backup power.

The complete HV BMS kit contains 1 main master unit + 10 slave BMUs plus matched sampling harnesses; an extra SBMS master cluster controller is supplied for multi-cabinet parallel expansion to realize cross-rack unified communication and coordinated operation. Built per our official 4U two/three-wire RBMS specification V2.0, all hardware uses industrial-grade components with CE & RoHS certification for global energy projects.

Full standard package for 160S 512V 250A energy storage system:

• 1 x RBMS07-S20-250A512V 4U Master Rack BMS (2-wire standard, 4U 19-inch rack mounting, front wiring design)
• 10 x BMU07-16S8T48F Slave Module Monitoring Unit (each with 8 built-in temperature sensors, 48V fan power supply)
• 10 x sets of dedicated cell sampling wire harness (600/900/1200mm customizable lengths for voltage & temperature signal collection)
• Cascaded CAN communication cables for master-slave BMU interconnection, equipped with 120Ω terminal matching resistors

Optional accessory: SBMS cluster master controller, required when parallel connecting over 2 sets of battery racks to achieve cross-rack data synchronization and group control.

• CAN bus: Communication with all slave BMU modules
• RS485 + CAN: Docking with PCS, inverter, and industrial UPS devices
• Ethernet TCP/IP: Real-time data upload to EMS cloud monitoring platform
• Supports remote IAP firmware upgrade without disassembly

• Full-range safety protection: Overcharge, overdischarge, overcurrent, short-circuit (25KA@20ms), over/under temperature, reverse polarity
• Built-in pre-charge circuit + automatic parallel circulation balance for multi-string battery packs
• Manual DC cold start button, supports black startup without grid AC power
• Optional functions: High-voltage insulation detection, external 4.3/7-inch HMI touch display

• Standard 4U 19-inch cabinet dimension: 482(W)*180(H)*500mm, net weight ~28kg
• Front-in & front-out wiring layout for easy field maintenance
• Fanless natural heat dissipation structure, no forced ventilation fans to reduce failure risks

Each BMU07-16S8T48F slave monitoring unit matches one 16-string lithium pack:

• Supports 0~5V single-cell voltage detection
• 8 independent NTC temperature probes per module to track cell heat evenly
• Operating power: 12V supply, static power draw below 20mA
• 48V cooling fan power interface for battery modules (17~24S models adopt 12V fan output)
• Cascaded CAN communication for seamless data upload to the main RBMS master

• Cell voltage & temperature sampling harness: 600/900/1200mm optional, multi-core shielded wire
• BMU cascaded communication cables, matched 120Ω terminal resistors for long-distance anti-interference
• Fan power wiring for battery module cooling units

• Three-level expandable master-slave topology, max 20 slave BMUs per master unit, supports multi-rack parallel via SBMS cluster controller
• Universal compatibility with LFP, NCM, and LTO lithium cells, adaptable to all stationary energy storage scenes
• Rich open communication protocols (CAN / RS485 / Ethernet), customizable docking with mainstream PCS & monitoring systems
• Large-capacity onboard storage chip, expandable SD card to record 12+ months of operational & alarm logs
• Fanless passive cooling design, long service life with minimum MTBF, wide operating range -20℃ ~ +45℃
• CE & RoHS certified industrial hardware, full set of test reports available for overseas power & energy storage projects
• OEM & ODM custom service available: adjust current, voltage, display, and communication protocols based on project demands

Large-scale commercial energy storage station, residential home ESS, off-grid solar power system, solar carport storage, industrial microgrid, telecom UPS backup power, substation DC power supply, portable energy storage container