{"product_id":"bigbattery-eg4-flexboss18-hybrid-solar-inverter-18kw-pv-13kw-ac-split-phase-3-mppt-scalable-remote-wi-fi-monitoring-inv031","title":"BigBattery | EG4 FlexBOSS18 Hybrid Solar Inverter | 18kW PV \/ 13kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring | INV031","description":"\u003cp\u003eThe EG4 FlexBOSS18 is a high-capacity, split-phase hybrid inverter built for powerful residential or commercial energy systems. With 18,000W of PV input, dual MPPTs supporting 4 strings, and 90A grid feed-through at 120\/240VAC, it delivers superior flexibility and grid-tied reliability. Seamlessly pairing with EG4’s GridBOSS MID gateway, the FlexBOSS18 enables smart load management, AC coupling, and generator support while reducing installation time and costs. Safety features include rapid shutdown, ground fault and arc fault protection, plus industry-leading certifications. With remote monitoring, Wi-Fi connectivity, and mobile alerts, the FlexBOSS18 offers efficient, scalable power with advanced control. Elevate your solar or off-grid system with this powerful, future-ready inverter.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FlexBoss18-Simple-System-Expansion-Final-scaled.png?fit=2560%2C1025\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/02\/EG4-Inverter-Certification-scaled.png?fit=2560%2C1025\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FlexBoss18-All-Weather-Rain.gif?fit=2097%2C840\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FlexBoss18-allweather-gridboss.gif?fit=2097%2C840\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2025\/02\/All-EG4-scaled.png?fit=2560%2C1025\u0026amp;quality=80\u0026amp;ssl=1\"\u003e\u003c\/figure\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":51503659909407,"sku":"INV031","price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/1965\/5199\/files\/FLEXBOSS18-3.png?v=1770268327","url":"https:\/\/offgridselection.com\/products\/bigbattery-eg4-flexboss18-hybrid-solar-inverter-18kw-pv-13kw-ac-split-phase-3-mppt-scalable-remote-wi-fi-monitoring-inv031","provider":"Off Grid Selection","version":"1.0","type":"link"}