{"product_id":"bigbattery-ethos-48v-lifepo4-batteries-eg4-flexboss18-13kw-48v-hybrid-solar-inverter","title":"BigBattery ETHOS 48V LifePO4 Batteries + EG4 FlexBOSS18 13kW 48V Hybrid Solar Inverter","description":"\u003cp\u003eThe BigBattery ETHOS™ + EG4 FlexBOSS18 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 FlexBOSS18 hybrid inverter, this system delivers reliable, efficient, and intelligent energy management in one integrated package.\u003c\/p\u003e\n\u003cp\u003eExpandable up to 80+ kWh, the ETHOS battery adapts to your energy needs – while the FlexBOSS18 provides up to 18,000W PV input, dual MPPTs, and 120\/240V split-phase output for flexible system design and strong performance. Integrated with the GridBOSS MID gateway, the system enables advanced energy control, including load management, AC coupling, and generator integration.\u003c\/p\u003e\n\u003cp\u003eDesigned 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 and real-time monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated \u0026amp; Optimized System:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eETHOS Battery System + EG4 FlexBOSS18 Hybrid Inverter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eExpandable \u0026amp; Flexible:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScalable ETHOS battery capacity up to 80+ kWh\u003c\/li\u003e\n\u003cli\u003eCompatible with additional ETHOS modules for future expansion\u003c\/li\u003e\n\u003cli\u003eSupports grid-tied, hybrid, and off-grid installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete ESS Solution \u003c\/strong\u003e– Battery + inverter system designed to work seamlessly together\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18,000W PV Input\u003c\/strong\u003e – High solar capacity with dual MPPT optimization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120\/240V Split-Phase Output\u003c\/strong\u003e – Powers residential and light commercial loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO₄ Battery Chemistry\u003c\/strong\u003e – Safe, stable lithium technology with long lifespan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6,000+ Cycle Life\u003c\/strong\u003e – Built for years of daily use and long-term savings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-Loop Communication\u003c\/strong\u003e – Optimized coordination between battery and inverter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGridBOSS Integration\u003c\/strong\u003e – Advanced load management, AC coupling, and generator support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Protections \u003c\/strong\u003e– Includes rapid shutdown, ground fault, and arc fault protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Expansion \u003c\/strong\u003e– Easily scale storage capacity as energy needs grow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Monitoring \u0026amp; Alerts\u003c\/strong\u003e – Wi-Fi connectivity with real-time system tracking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-Free Operation\u003c\/strong\u003e – No routine servicing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA complete, scalable energy storage system built for performance, flexibility, and long-term independence – backed by safety, smart controls, and U.S.-based support.\u003c\/p\u003e","brand":"BigBattery","offers":[{"title":"2 x Battery Modules + EG4 FlexBOSS18 Inverter","offer_id":47860450099252,"sku":"K0230","price":6055.0,"currency_code":"USD","in_stock":false},{"title":"3 x Battery Modules + EG4 FlexBOSS18 Inverter","offer_id":47860450132020,"sku":"K0231","price":7315.0,"currency_code":"USD","in_stock":true},{"title":"4 x Battery Modules + EG4 FlexBOSS18 Inverter","offer_id":47860450164788,"sku":"K0232","price":8790.0,"currency_code":"USD","in_stock":true},{"title":"6 x Battery Modules + EG4 FlexBOSS18 Inverter","offer_id":47860450197556,"sku":"K0233","price":11290.0,"currency_code":"USD","in_stock":true},{"title":"8 x Battery Modules + EG4 FlexBOSS18 Inverter","offer_id":47860450230324,"sku":"K0234","price":14185.0,"currency_code":"USD","in_stock":true},{"title":"9 x Battery Modules + EG4 FlexBOSS18 Inverter","offer_id":47860450263092,"sku":"K0235","price":15445.0,"currency_code":"USD","in_stock":true},{"title":"6 x Battery Modules + 2 x EG4 FlexBOSS18 Inverters","offer_id":47860450295860,"sku":"K0236","price":14670.0,"currency_code":"USD","in_stock":true},{"title":"12 x Battery Modules + 2 x EG4 FlexBOSS18 Inverters","offer_id":47860450328628,"sku":"K0237","price":22620.0,"currency_code":"USD","in_stock":true},{"title":"9 x Battery Modules + 3 x EG4 FlexBOSS18 Inverters","offer_id":47860450361396,"sku":"K0238","price":21990.0,"currency_code":"USD","in_stock":true},{"title":"12 x Battery Modules + 3 x EG4 FlexBOSS18 Inverters","offer_id":47860450394164,"sku":"K0239","price":26415.0,"currency_code":"USD","in_stock":true},{"title":"18 x Battery Modules + 3 x EG4 FlexBOSS18 Inverters","offer_id":47860450426932,"sku":"K0240","price":33915.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/8462\/1620\/files\/203-2-1.webp?v=1781080573","url":"https:\/\/offgridstores.com\/products\/bigbattery-ethos-48v-lifepo4-batteries-eg4-flexboss18-13kw-48v-hybrid-solar-inverter","provider":"Off Grid Stores","version":"1.0","type":"link"}