12x ETHOS Battery & 3x 18kPV Hybrid Inverter (ESS) | UL9540 | Grid-Tied Home Solar System (18kW PV)

The BigBattery ETHOS™ + EG4 18kPV ESS System is a complete, high-performance energy solution designed for both on-grid and off-grid applications. Combining the scalable ETHOS 48V lithium battery system with the powerful EG4 18kPV hybrid inverter, this system delivers reliable, efficient, and intelligent energy management in one integrated package.

Expandable up to 80+ kWh, the ETHOS battery adapts to your energy needs-while the 18kPV inverter seamlessly manages power from solar, battery storage, and the grid. Ideal for home backup, energy savings, and full off-grid independence.

Designed with UL 9540 certified configurations, advanced battery management, and U.S.-engineered components, this system ensures safe, maintenance-free performance with seamless closed-loop communication between battery and inverter.

Ships From: Texas, USA
Warranty: 12 Years (Battery), 10 Years (Inverter)
Support: Lifetime USA-Based Tech Support