{"product_id":"eg4-flexboss21-16kw-ac-hybrid-inverter-1589004","title":"EG4 FlexBOSS21 16kW AC Hybrid Inverter (1589004)","description":"\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\n\u003cdiv data-message-model-slug=\"gpt-4o\" data-message-id=\"c0a4443a-6714-4005-9462-7f85bdb8a46d\" data-message-author-role=\"assistant\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003e\u003cspan\u003eThe EG4 FlexBOSS21 (V 1.1) is a versatile 48V split-phase, hybrid inverter\/charger that offers the same dependable power as the 18kPV with enhanced flexibility. Powerful enough to start a 5-ton AC unit, the FlexBOSS21 supports 21kW of PV input. Capable of paralleling up to 16 units together, the FlexBOSS21 has an impressive total output of 256kW continuous when using PV input. Three MPPTs give users optimal control over their solar needs, while the updated EG4 monitoring software allows for convenient total remote management, complete with mobile notifications and remote setting. Seamless interaction with GridBOSS gives users control over their entire Energy Storage System (ESS).\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f4f8ff;border:1px solid #d0e0f0;border-radius:8px;padding:16px 20px;margin:20px 0;\"\u003e\n\u003cstrong\u003eCertifications \u0026amp; Compliance\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:0.95em;\"\u003e\nUL 1741 Listed  |  UL 1741 SA (Grid Support)  |  NEMA-3R Enclosure  |  10-Year Manufacturer Warranty  |  NEC Rapid Shutdown Compliant\n\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Power Options:\u003c\/strong\u003e Operate off-grid, with grid support, or sell excess power back to the grid.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eHigh PV Input Voltage:\u003c\/strong\u003e Supports up to 600V DC, allowing reduced cable sizes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSmart Connectivity:\u003c\/strong\u003e Remote access with Wi-Fi and closed-loop communication with compatible batteries.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSafety-First Design:\u003c\/strong\u003e Includes rapid shutdown, ground fault monitoring, arc-fault protection, and robust safety certifications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eUL 1741 Certificate of Compliance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca title=\"CEC Compliance\" href=\"https:\/\/solarequipment.energy.ca.gov\/Home\/InverterBatteryList?ManufacturerID=EG4+Electronics+LLC\u0026amp;ModelNameID=-1\u0026amp;Submit=Search\u0026amp;Rows=25\"\u003e\u003cstrong\u003eCEC Solar Equipment Listing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWhy Choose EG4 FlexBOSS21?\u003c\/strong\u003e The FlexBOSS21 combines efficiency, durability, and innovation, making it a top choice for those seeking robust energy solutions. Its advanced monitoring and safety features provide reliable power and peace of mind for residential or commercial installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eHave any questions? Email us at info@solwel.com or give us a call at \u003ca data-dtype=\"d3ph\" data-local-attribute=\"d3ph\" href=\"https:\/\/www.google.com\/search?q=solwel+houston\u0026amp;rlz=1C1JSBI_enUS1093US1094\u0026amp;oq=solwel+houston\u0026amp;gs_lcrp=EgZjaHJvbWUqDggAEEUYJxg7GIAEGIoFMg4IABBFGCcYOxiABBiKBTIHCAEQABjvBTIKCAIQABiABBiiBDIKCAMQABiABBiiBDIKCAQQABiiBBiJBTIKCAUQABiABBiiBDIGCAYQRRg9MgYIBxBFGDzSAQg0NDIwajBqNKgCALACAQ\u0026amp;sourceid=chrome\u0026amp;ie=UTF-8#\" data-ved=\"2ahUKEwj70LmCwPCTAxUpxskDHUqWLYAQkAgoAHoECCIQAg\"\u003e\u003cspan aria-label=\"Call Phone Number (346) 432-4228\"\u003e(346) 432-4228\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Buy From Solwel?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping on Orders Over \\$10,000\u003c\/strong\u003e — Fast fulfillment from our Houston and Dallas warehouses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Distributor\u003c\/strong\u003e — Genuine manufacturer-backed products with full warranty support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support\u003c\/strong\u003e — Our team knows these products inside and out. Call us at (346) 432-4228\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstaller Pricing Available\u003c\/strong\u003e — Contact us for volume pricing and contractor accounts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStocked in Texas\u003c\/strong\u003e — Reduced lead times for Southwest and national projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions — EG4 FlexBOSS21 Hybrid Inverter\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat makes the FlexBOSS21 an \"AC hybrid\" inverter?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe EG4 FlexBOSS21 is an AC-coupled hybrid inverter that connects on the AC side of your system. This makes it straightforward to add battery backup to an existing solar installation without replacing your solar inverter.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the FlexBOSS21 work without batteries?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The FlexBOSS21 operates in grid-tied mode without batteries. Battery storage can be added later to enable backup power and increased solar self-consumption.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat batteries are compatible with the EG4 FlexBOSS21?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe FlexBOSS21 is designed for use with EG4 batteries and supports standard LFP battery communication protocols. Contact us at (346) 432-4228 to confirm compatibility with your battery.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat certifications does the FlexBOSS21 carry?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe EG4 FlexBOSS21 is UL 1741 listed. Always verify local utility interconnection requirements with your installer before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow does the FlexBOSS21 differ from the FlexBOSS18?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe FlexBOSS21 offers 16kW of continuous output versus 13kW on the FlexBOSS18 — making it the better choice for larger homes, homes with EV chargers, or installations with higher peak demand requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n","brand":"EG4","offers":[{"title":"Default Title","offer_id":52571140358433,"sku":null,"price":3629.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/1442\/5633\/files\/EG4-FlexBOSS21-Front-1_d7a03fe9-26a8-4ce0-b5a8-138127f0c87d.webp?v=1779303290","url":"https:\/\/solwel.com\/products\/eg4-flexboss21-16kw-ac-hybrid-inverter-1589004","provider":"Solwel","version":"1.0","type":"link"}