Big Battery | 4x 48V ETHOS (20.48kWh) Home Battery Backup

48V ETHOS | 20.2kWh (4 Module) Reliable Energy Storage for Off-Grid and On-Grid Power Needs The 48V ETHOS | 20.2kWh (4 Module) system by BigBattery is a powerful and dependable solution for residential energy storage. Whether you're living off-grid, powering a large cabin, or preparing for outages, this system delivers clean and consistent energy every day. Built for Performance and Flexibility This 20.2kWh configuration is perfect for homes that need more energy storage. The stackable, modular design makes it easy to expand if your energy demands grow over time. The system is protected by a durable IP65-rated enclosure that stands up to harsh weather and indoor environments. Advanced Safety and Monitoring The ETHOS system is equipped with an advanced Battery Management System (BMS) that provides auto cell-balancing for long-term battery health. It also includes an internal fire suppression system for added protection. You can easily keep an eye on system performance using the interact