{"product_id":"eg4-18kpv-hybrid-inverter-1511104","title":"EG4 18kPV Hybrid Inverter (1511104)","description":"\u003cp\u003eThe \u003cstrong\u003eEG4 18kPV\u003c\/strong\u003e is EG4's flagship residential \u003cstrong\u003ehybrid solar inverter\u003c\/strong\u003e, combining 18kW of PV input with 12kW of continuous AC output in a compact, transformer-free design. An all-in-one solution that integrates charge controller, inverter, and transfer switch functions — eliminating the need for separate components and reducing both material cost and installation complexity on residential and light commercial projects.\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\u003cp\u003eThe 18kPV operates across grid-tied, off-grid, and battery backup modes with seamless mode switching. Its 120\/240V split-phase output and NEMA 4X\/IP65 weatherproof enclosure make it suitable for standard residential panel configurations and outdoor mounting in all climates. Certifications include ETL and cETL to UL, CSA, IEEE, and NEC standards, satisfying AHJ requirements across the United States and Canada.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Output:\u003c\/strong\u003e 12kW (120\/240V split-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar Input:\u003c\/strong\u003e 18kW PV input capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Voltage:\u003c\/strong\u003e 48V with closed-loop communication for compatible batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransfer Time:\u003c\/strong\u003e Fast automatic transfer for seamless backup switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalability:\u003c\/strong\u003e Stackable for greater combined output capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e NEMA 4X \/ IP65 — fully outdoor rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ETL, cETL (UL, CSA, IEEE, NEC compliant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e Remote monitoring via EG4 app and web portal; live data, historical performance, remote firmware updates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD interface for on-site configuration of charging priority, voltage, and output settings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe 18kPV pairs seamlessly with the \u003cstrong\u003eEG4 WallMount 280Ah All Weather Battery\u003c\/strong\u003e for a fully integrated whole home battery backup system. Its plug-and-play installation, LCD-guided setup, and remote monitoring capabilities reduce commissioning time on the job site. Compatible with the EG4 GridBOSS MID for advanced load management and panel backup applications. A top-selling hybrid inverter choice for installers prioritizing performance, certification compliance, and competitive pricing.\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 18kPV Hybrid Inverter\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat is a hybrid inverter?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eA hybrid inverter combines a solar inverter, battery charger, and automatic transfer switch in one unit. The EG4 18kPV can power your home from solar, charge connected batteries, and automatically switch to battery backup during a grid outage — all without manual intervention.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes the EG4 18kPV work without batteries?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The EG4 18kPV operates in grid-tied solar-only mode without batteries. You get solar savings immediately and can add battery storage later. Note: without batteries, the inverter cannot provide backup power during a grid outage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan the EG4 18kPV operate off-grid?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The EG4 18kPV supports full off-grid operation with a compatible battery bank, capable of powering your home entirely from solar and stored energy.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat batteries are compatible with the EG4 18kPV?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe EG4 18kPV is natively compatible with EG4 batteries and also supports many third-party LFP batteries via CAN\/RS485 communication. Contact us at (346) 432-4228 to confirm compatibility with a specific battery.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat certifications does the EG4 18kPV carry?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe EG4 18kPV is UL 1741 listed, meeting U.S. grid interconnection requirements. Always verify local utility interconnection requirements with your installer.\u003c\/p\u003e\n\u003c\/details\u003e\n","brand":"EG4","offers":[{"title":"Default Title","offer_id":52571045527841,"sku":null,"price":4898.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/1442\/5633\/files\/EG4_18kPV_Hybrid_Inverter__93200.jpg?v=1779303974","url":"https:\/\/solwel.com\/products\/eg4-18kpv-hybrid-inverter-1511104","provider":"Solwel","version":"1.0","type":"link"}