Fox ESS HV BMS-V2

FE-HV-BMS-V2 | Second-generation high-voltage Battery Management System for HV2600 V2 battery stacks with AC chargers and H1 hybrid inverters (not required for AIO systems).

Key Features

• Advanced voltage, temperature, SOC monitoring and cell balancing for HV2600 V2 stacks.
• Required for 1 BMS per stack (2 batteries min single-phase, 3 batteries min three-phase).
• Improved RS485/CAN communication with H1/AC inverters and EMS systems.
• 60-500V DC working range with 50A charge/discharge capability.
• IP21 enclosure with enhanced thermal management and diagnostics.
• Overcharge, over-discharge, short-circuit, thermal runaway protection.
• V2 specific - backward compatible with V1 HV2600 batteries.

Technical Specifications

Working Voltage Range	60-500 V DC
Charge/Discharge Current	50 A
Current Measurement	-65A ~ +65A (±1% accuracy)
Voltage Channels	2 independent channels
Communication	RS485 / CAN bus
SOC Accuracy	±2%
Operating Temp	-20 ~ +50°C

Mechanical Specifications

Dimensions (L×W×H)	440 × 180 × 125 mm
Weight	4.5 kg
Protection Rating	IP21
Humidity	10% ~ 90% (non-condensing)
LED Indicators	Status, Alarm, Communication
Mounting	Wall mount with adjustable brackets

Installation & Compatibility

• Includes HV BMS unit, mounting hardware, battery interconnect cables, RS485/CAN comms cable
• Requires Fox HV Battery Wall Mount Brackets for stack installation
• Compatible inverters: All H1 series, AC1/AC3 chargers (V2 specific)
• Stack configuration: 2-13 batteries per stack (single-phase), 3-13 (three-phase)
• Firmware upgradable via Fox ESS cloud portal

MPN: FE-HV-BMS-V2
Model: Fox High Voltage Battery Management System V2

Enhanced V2 BMS ensuring maximum safety, performance and longevity of Fox HV2600 battery systems with AC-coupled and hybrid inverter configurations.