{"product_id":"eg4-flexboss-18-hybrid-inverter-1589004","title":"EG4 FlexBOSS18 13kW 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 data-end=\"848\" data-start=\"262\"\u003e\u003cspan\u003eThe EG4 FlexBOSS18 Hybrid Inverter delivers professional-grade performance at an accessible price point, making it the ideal choice for both installers and DIY enthusiasts looking for a cost-effective hybrid solar solution. Designed to maximize efficiency and savings, this inverter offers 13kW continuous output (with PV), 18kW maximum solar input, and 10kW battery-only output capability. Whether you're aiming to reduce reliance on the grid or build a powerful off-grid system, the FlexBOSS18 provides the perfect balance of affordability, performance, and versatility.\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\u003ch3 data-end=\"873\" data-start=\"850\"\u003e\u003cspan\u003e\u003cstrong data-end=\"871\" data-start=\"854\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1447\" data-start=\"875\"\u003e\n\u003cli data-end=\"981\" data-start=\"875\"\u003e\u003cspan\u003e\u003cstrong data-end=\"899\" data-start=\"877\"\u003eHigh Power Output:\u003c\/strong\u003e 13kW continuous output with PV, 18kW solar input, and 10kW battery-only output.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1136\" data-start=\"982\"\u003e\u003cspan\u003e\u003cstrong data-end=\"1012\" data-start=\"984\"\u003eVersatile Compatibility:\u003c\/strong\u003e Works flawlessly with EG4 batteries and pairs seamlessly with the EG4 GridBOSS MID for enhanced functionality.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1228\" data-start=\"1137\"\u003e\u003cspan\u003e\u003cstrong data-end=\"1165\" data-start=\"1139\"\u003eCertified \u0026amp; Compliant:\u003c\/strong\u003e UL1741 certification for safety and reliability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1341\" data-start=\"1229\"\u003e\u003cspan\u003e\u003cstrong data-end=\"1266\" data-start=\"1231\"\u003eCost-Effective Hybrid Solution:\u003c\/strong\u003e Affordable entry into hybrid solar with professional-grade capabilities.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-end=\"1447\" data-start=\"1342\"\u003e\u003cspan\u003e\u003cstrong data-end=\"1370\" data-start=\"1344\"\u003eFlexible Installation:\u003c\/strong\u003e Designed for easy integration into both residential and commercial setups.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-end=\"1507\" data-start=\"1456\"\u003e\u003cspan\u003e\u003cstrong data-end=\"1505\" data-start=\"1459\"\u003eSeamless Integration with EG4 GridBOSS MID\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"551\" data-start=\"105\"\u003e\u003cspan\u003eThe FlexBOSS18 pairs perfectly with the EG4 GridBOSS MID, optimizing energy management and grid interaction. This integration reduces installation costs, simplifies the setup, and eliminates the need for additional breakers, transfer switches, and more, all within one compact solution. It also enables time-of-use optimization, load shifting, and backup power prioritization, giving you enhanced control over your energy use. By combining the FlexBOSS18 with the \u003ca rel=\"noopener\" href=\"https:\/\/signaturesolar.com\/eg4-gridboss-vs-mid-200a-service-entrance\/\" target=\"_blank\"\u003eEG4 GridBOSS MID\u003c\/a\u003e, users can maximize energy efficiency, reduce dependency on the grid, and take full control of their solar energy system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"2531\" data-start=\"2492\"\u003e\u003cspan\u003e\u003cstrong data-end=\"2529\" data-start=\"2495\"\u003eWhy Choose the EG4 FlexBOSS18?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2898\" data-start=\"2533\"\u003e\u003cspan\u003eThe FlexBOSS18 offers higher power output, increased PV capacity, and enhanced hybrid capabilities at an accessible price point. Its UL1741 certifications ensure compliance with strict industry regulations, making it a reliable and future-proof investment for both grid-tied and off-grid applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"2936\" data-start=\"2900\"\u003e\u003cspan\u003e\u003cstrong data-end=\"2934\" data-start=\"2904\"\u003eElevate Your Energy System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"3209\" data-start=\"2938\"\u003e\u003cspan\u003eDiscover the power, flexibility, and affordability of the EG4 FlexBOSS18 Hybrid Inverter. Whether you’re upgrading an existing system or starting from scratch, the FlexBOSS18 delivers the performance and reliability needed to take control of your energy future.\u003c\/span\u003e\u003c\/p\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 FlexBOSS18 Hybrid Inverter\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat makes the FlexBOSS18 an \"AC hybrid\" inverter?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe EG4 FlexBOSS18 is an AC-coupled hybrid inverter, meaning it connects to the AC side of your system rather than directly to solar panels via DC strings. This makes it easy to add battery backup to an existing solar installation without replacing your current solar inverter.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the FlexBOSS18 work without batteries?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The FlexBOSS18 can operate in grid-tied mode without batteries. Battery storage can be added at any time to enable backup power and increased self-consumption.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat batteries are compatible with the EG4 FlexBOSS18?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe FlexBOSS18 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 FlexBOSS18 carry?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe EG4 FlexBOSS18 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\u003eWhat size home is the FlexBOSS18 suitable for?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAt 13kW continuous output, the FlexBOSS18 is well-suited for most residential homes including those with central HVAC, electric appliances, and EV charging. For larger homes or higher loads, consider the FlexBOSS21 (16kW).\u003c\/p\u003e\n\u003c\/details\u003e\n","brand":"EG4","offers":[{"title":"Default Title","offer_id":52571131773217,"sku":null,"price":3210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/1442\/5633\/files\/FlexBOSS18_-_Front__70491.jpg?v=1779303895","url":"https:\/\/solwel.com\/products\/eg4-flexboss-18-hybrid-inverter-1589004","provider":"Solwel","version":"1.0","type":"link"}