BigBattery ETHOS Control Box Central System Hub For Reliable Battery Communication So That Homeowners And Off Grid Users Achieve Stable Energy Management And Smarter Power Control The BigBattery ETHOS Control Box is the command center of your ETHOS Energy Storage System, designed to connect your inverter and ETHOS battery modules into one intelligent, coordinated setup. Built by BigBattery, this control unit ensures your entire 48V energy system communicates clearly, operates efficiently, and delivers dependable performance when you need it most. Unlike a standalone battery, this control box is the “brain” of the system. It does not store energy itself. Instead, it manages, monitors, and regulates the flow of power between components, making sure your ETHOS battery stack performs safely and consistently. For homeowners, RV travelers, off-grid users, and mobile work professionals, it provides the confidence that every watt is being handled with precision. If your goal is to build a scalable, future-ready energy system that doesn’t leave you guessing about performance or system health, this control box is the foundation that brings everything together. BigBattery ETHOS Control Box Features Feature Reliable System Control For Long Term Use Provides dependable long term system control for ETHOS energy storage setups. It maintains stable communication, improves efficiency, and supports system expansion over time. Ideal for users who want a future ready energy solution that grows with their power needs and daily lifestyle without complicated adjustments or extra equipment. Feature Real Time LED Monitoring Interface Front LED interface provides real time system status including voltage, battery capacity, BMS alerts, and inverter communication. Users can quickly check system health without tools or apps. This improves awareness, reduces troubleshooting time, and supports safer and more reliable energy use in homes, RVs, and off grid locations. Feature Inverter Communication Stability System Ensures stable communication between inverter and ETHOS battery modules, preventing signal loss and performance drops. It keeps energy flow consistent during heavy loads. This is essential for home backup systems, RV setups, and off grid applications that require dependable operation during daily use or emergency power situations. Feature Scalable Modular Expansion Support Designed for scalable energy storage, allowing users to expand ETHOS battery modules as power needs grow. It supports 48V system architecture and ensures smooth integration of additional units. This makes it ideal for growing homes, cabins, and mobile power systems that need flexible and future ready energy capacity. Feature Advanced BMS Safety Integration Works with battery management system to monitor voltage, temperature, and charge levels across all connected modules. It helps prevent overcharging, overheating, and system faults. It improves safety, extends battery life, and ensures reliable performance for homeowners, RV users, and off grid energy systems in all conditions. Feature Real World Multi Application Use Supports a wide range of applications including home backup power, solar energy systems, RV travel, off grid living, and mobile work sites. The control box ensures consistent performance across all setups, making it versatile for residential, travel, and professional users who depend on stable and reliable power. Feature Central System Hub For ETHOS Integration BigBattery ETHOS Control Box acts as the main communication hub between inverter and battery modules. It coordinates system data flow, ensuring all components work together smoothly. This helps maintain stable performance, improves reliability, and supports efficient energy management for users building serious and expandable power systems. BigBattery ETHOS Control Box Warranty BigBattery provides a 12-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period. What's Included 1 x BigBattery ETHOS Control Box 1 x ETHOS Rack Base 2 x Red & Black Controller to Inverter Power Cables (4.9 FT) 1 x Controller to Inverter Comm Cable (4.9 FT) BigBattery ETHOS Control Box Specifications Operating Voltage Range 30 – 60V Max Continuous Discharge Current 200A Max Charge Current 200A Charge Temperature Range -4°F – 122°F (-20°C – 50°C) Discharge Temperature Range -4°F – 122°F (-20°C – 50°C) Optimal Discharge Temperature Range -4°F – 122°F (-20°C – 50°C) Weight 22 lb (10 kg) Depth 6.7 in (170 mm) Width 26.5 in (674 mm) Height 8.3 in (211 mm) Max Connections Up to 16 parallel connections per control box Communications CANBus / RS485 BigBattery ETHOS Control Box Manual
