BigBattery ETHOS Battery & APEX-10K Inverter | 10.24–30.72kWh | Off- Grid System

The BigBattery ETHOS™ + EG4 6000XP ESS System is a compact, modular energy solution designed for both on-grid and off-grid applications. Combining the scalable ETHOS 48V LiFePO₄ battery system with the efficient EG4 6000XP inverter-charger, this system delivers reliable, flexible energy for tiny homes, cabins, and backup power setups. The EG4 6000XP provides up to 6,000W split-phase output with solar input support and seamless integration of battery, solar, and generator power. Paired with the ETHOS battery system – expandable up to 80+ kWh – this setup ensures long-lasting, maintenance-free energy storage with consistent performance. Built with advanced battery management, and U.S.-engineered design, this system delivers safe, intelligent energy control with closed-loop communication and real-time monitoring. Ideal for backup power, energy savings, and full off-grid independence. Ships From: Texas, USA Warranty: 12 Years (Battery), 5 Years (Inverter) Support: Lifetime USA-Based Tech Support Compatibility Integrated & Optimized System: ETHOS Battery System + EG4 6000XP Inverter-Charger Expandable & Flexible: Scalable ETHOS battery capacity up to 80+ kWh Compatible with additional ETHOS modules for future expansion Supports grid-tied, hybrid, and off-grid installations Key Features Complete ESS Solution – Battery + inverter system designed to work seamlessly together 6,000W Split-Phase Output – Reliable power for small homes, cabins, and backup systems LiFePO₄ Battery Chemistry – Safe, stable lithium technology with long lifespan 6,000+ Cycle Life – Built for years of daily use and long-term savings Closed-Loop Communication – Optimized coordination between battery and inverter Advanced BMS Protection – Multi-layer protection for safe and reliable operation Modular Expansion – Easily scale storage capacity as energy needs grow Solar + Generator Ready – Flexible input options for continuous energy availability UPS Backup Capability – Seamless transition during outages Remote Monitoring & Control – Real-time system tracking and performance insights Maintenance-Free Operation – No routine servicing required A compact, scalable energy storage system built for reliability, flexibility, and long-term energy independence – perfect for smaller off-grid and backup applications.