The 48V ETHOS | 30.7kWh (6 Module) energy storage system from BigBattery is a powerful and efficient solution for off-grid living, large homes, homesteads, and estates. With a high-capacity 30.7kWh battery setup, this system provides dependable, clean power for both everyday use and emergency backup.

Built for Energy Independence

The ETHOS is designed with flexibility in mind. Its modular, stackable design makes it easy to expand as your energy needs grow. Installation is simple with all necessary hardware included, and the system is protected by a durable, IP65-rated enclosure—built to handle dust, moisture, and harsh environments.

Advanced Safety and Performance

With an advanced Battery Management System (BMS), the ETHOS ensures long-lasting performance through auto cell-balancing. An internal fire suppression system adds an extra level of safety, giving you confidence in every charge cycle.

For monitoring, the built-in LED control box provides live system updates. It also includes CANBus and RS485 communication, allowing you to track system health and performance in real-time.

Key Features:

Big Battery | 6x 48V ETHOS (30.72kWh) Home Battery Backup

• 30.7kWh Battery Capacity (6 Modules) – Designed for large homes and off-grid setups

• 48V System – Reliable and efficient energy storage

• Modular & Stackable – Expand as your energy demands increase

• Advanced BMS – Auto cell-balancing and built-in fire safety

• IP65-Rated Casing – Weather-resistant and durable

• Real-Time Monitoring – LED display with CANBus and RS485 communication

• Versatile Use – Great for solar energy storage and backup power

Your Off-Grid Power Solution

Whether you’re living off-grid, building an energy-resilient home, or simply want peace of mind during power outages, the 48V ETHOS | 30.7kWh (6 Module) system delivers dependable power when you need it most. It’s the perfect match for solar systems and anyone looking for full energy independence.

6 × 48V ETHOS 5.12kWh Stackable Battery Module
1 × ETHOS Control Box
1 × ETHOS RACK BASE
2 × Ethos Parallel Power Cable 4.9 ft (1500mm)
1 × Ethos Parallel Comm Cable 4.9 ft (150cm)