BigBattery ETHOS + EG4 FLEXBOSS21 ESS Choose Your ESS Configuration:1x FlexBOSS21 + 3x ETHOS 18A Open-circuit voltage (Voc) 38

18A Open-circuit voltage (Voc) 38

):850061252005

Crank it up to 1600W with X-Boost mode to run up to 80% of high-wattage home appliances

5~113°F (-15~45°C)

BigBattery ETHOS + EG4 FLEXBOSS21 ESS Choose Your ESS Configuration:1x FlexBOSS21 + 3x ETHOS 18A Open-circuit voltage (Voc) 38BigBattery ETHOS + EG4 FLEXBOSS21 ESS Product Summary: The BigBattery ETHOS + EG4 FlexBOSS21 ESS System is a complete, next generation energy solution designed for both on grid and off grid applications. Combining the scalable ETHOS 48V lithium battery system with the powerful FlexBOSS21 hybrid inverter, this system delivers advanced, efficient, and intelligent energy management in one integrated package. Expandable up to 80+ kWh, the ETHOS battery