{"product_id":"eg4-flexboss21-hybrid-inverter","title":"EG4 FlexBoss21 Hybrid Inverter","description":"\u003csection style=\"font-family: 'Roboto', sans-serif; color: #121212; line-height: 1.6; width: 100%; max-width: 600px; padding: 16px; margin: 0 auto; box-sizing: border-box; overflow-x: hidden;\"\u003e\u003c!-- Product Title --\u003e\n\u003ch1 style=\"color: rgb(19, 49, 175); font-weight: 600; font-size: 24px; margin-bottom: 10px; line-height: 1.2;\"\u003eEG4 FlexBoss21 Hybrid Inverter | 16kW Split-Phase\u003c\/h1\u003e\n\u003c!-- Product Subtitle --\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 12px; line-height: 1.4;\"\u003e48V Split-Phase Hybrid Inverter\/Charger with 21kW PV Input, Scalable up to 16 Units, NEC \u0026amp; CSA Compliant\u003c\/p\u003e\n\u003c!-- Product Description --\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 16px; line-height: 1.5;\"\u003eThe EG4 FlexBoss21 is a high-performance hybrid inverter capable of off-grid, grid-tied, and backup operation. With up to 16kW AC output and 21kW solar input across three independent MPPTs, it provides flexible system design and reliable power conversion. Its high-frequency transformerless design maximizes efficiency while closed-loop battery communication optimizes charging and lifespan. Scalable up to 16 units (256kW total), the inverter supports advanced monitoring, fast transfer times, and integration with EG4 48V batteries or other lithium\/lead-acid systems.\u003c\/p\u003e\n\u003c!-- Key Features --\u003e\n\u003ch4 style=\"color: #121212; font-weight: 600; font-size: 16px; margin-bottom: 8px;\"\u003eKey Features:\u003c\/h4\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 16px; font-size: 14px; color: #121212; list-style-type: disc;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e16kW Split-Phase Hybrid Output:\u003c\/strong\u003e Supports off-grid, grid-tied, and backup power applications.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eUp to 21kW Solar Input:\u003c\/strong\u003e Three independent MPPTs with 600VDC max input.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eTransformerless High-Frequency Design:\u003c\/strong\u003e Provides efficient and reliable operation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eParallel Capability:\u003c\/strong\u003e Connect up to 16 units for a total system output of 256kW.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eBattery \u0026amp; Grid Integration:\u003c\/strong\u003e Works with 48V lithium and lead-acid batteries, with closed-loop communication support.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eBuilt-in Rapid Shutdown Compliance:\u003c\/strong\u003e Meets NEC 690.12 \u0026amp; CSA C22.2#330:2017 safety standards.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eWi-Fi Monitoring \u0026amp; Remote Adjustments:\u003c\/strong\u003e Integrated plug-in Wi-Fi device for mobile monitoring and control.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFast Transfer Time:\u003c\/strong\u003e 10ms to 20ms automatic switching for uninterrupted power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Year Standard Warranty:\u003c\/strong\u003e Ensures long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Technical Specs --\u003e\u003c!-- Ideal Applications --\u003e\n\u003ch4 style=\"color: #121212; font-weight: 600; font-size: 16px; margin-bottom: 8px;\"\u003eIdeal Applications:\u003c\/h4\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 16px; font-size: 14px; color: #121212; list-style-type: disc;\"\u003e\n\u003cli\u003eOff-grid homes and remote installations\u003c\/li\u003e\n\u003cli\u003eBackup power for residential and commercial systems\u003c\/li\u003e\n\u003cli\u003eSmart grid-interactive solar energy management\u003c\/li\u003e\n\u003cli\u003eScalable hybrid solar power plants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- What’s Included --\u003e\n\u003ch4 style=\"color: #121212; font-weight: 600; font-size: 16px; margin-bottom: 8px;\"\u003eWhat’s Included:\u003c\/h4\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 0; font-size: 14px; color: #121212; list-style-type: disc;\"\u003e\n\u003cli\u003e1 × EG4 FlexBoss21 Hybrid Inverter\u003c\/li\u003e\n\u003cli\u003eUser manual and installation guide\u003c\/li\u003e\n\u003cli\u003eWi-Fi monitoring plug-in device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"EG4","offers":[{"title":"Default Title","offer_id":63318046048625,"sku":"INV027","price":4199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/1272\/3057\/files\/Screenshot2026-03-21at23.14.45.png?v=1774156518","url":"https:\/\/ecogridsupply.com\/products\/eg4-flexboss21-hybrid-inverter","provider":"Eco Grid Supply","version":"1.0","type":"link"}