{"product_id":"bigbattery-eg4-18kpv-hybrid-inverter","title":"EG4 18kPV Hybrid Inverter | 12kW 120\/240V All-In-One","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-updated-hr-color\" id=\"model-response-message-contentr_839acbfd78796215\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe EG4 18kPV All-in-One Hybrid Solar Inverter is a powerful energy solution designed for both on-grid and off-grid applications. With 12,000W continuous output power and up to 18,000W PV input, it manages power from solar, batteries, and the grid for whole-home backup and energy independence. Its all-in-one design combines inverter, charger, and charge controller functions, helping simplify installation while supporting reliable power management. There is a file you can reference named \"EG4 and BigBattery Solar Energy Systems and Components_16\".\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Highlights\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eMassive Solar Input:\u003c\/b\u003e 18,000W PV input for high-capacity solar energy production.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eWhole-Home Output:\u003c\/b\u003e 12,000W continuous output power for whole-home and backup power systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eStandard Residential Voltage:\u003c\/b\u003e 120V\/240V split-phase output for residential and heavy-duty appliances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eIntegrated Design:\u003c\/b\u003e All-in-one hybrid design combines inverter, charger, and charge controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003eOptimization:\u003c\/b\u003e 3 MPPT inputs to maximize solar production across multiple array orientations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003eSeamless Transition:\u003c\/b\u003e UPS functionality with 15–30ms switching for seamless backup during outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,6,0\"\u003e\u003cb data-path-to-node=\"9,6,0\" data-index-in-node=\"0\"\u003eIntelligent Interaction:\u003c\/b\u003e Smart energy management supports peak shaving, load control, and grid interaction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,7,0\"\u003e\u003cb data-path-to-node=\"9,7,0\" data-index-in-node=\"0\"\u003eHigh Efficiency:\u003c\/b\u003e Transformer-free design for improved efficiency and reduced weight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,8,0\"\u003e\u003cb data-path-to-node=\"9,8,0\" data-index-in-node=\"0\"\u003eOutdoor Durability:\u003c\/b\u003e IP65 \/ NEMA 4X protection rating for durable system protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,9,0\"\u003e\u003cb data-path-to-node=\"9,9,0\" data-index-in-node=\"0\"\u003eSystem Connectivity:\u003c\/b\u003e Remote monitoring and control through RS485, CANBus, and Wi-Fi communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,10,0\"\u003e\u003cb data-path-to-node=\"9,10,0\" data-index-in-node=\"0\"\u003eLong-Term Security:\u003c\/b\u003e 10-year EG4 manufacturer warranty with lifetime USA-based tech support.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eHigh-Capacity Hybrid Power:\u003c\/b\u003e Delivers 12,000W continuous output power with up to 18,000W PV input, making it a strong option for large residential systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eOn-Grid and Off-Grid Flexibility:\u003c\/b\u003e Supports grid-tied, hybrid, and off-grid installations, allowing it to work in different solar setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eAll-in-One System Design:\u003c\/b\u003e Combines the inverter, charger, and charge controller into one unit, helping reduce the need for additional components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eAdvanced Solar Optimization:\u003c\/b\u003e Features 3 MPPT inputs with multiple configurations to help maximize production across different orientations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003e48V Battery Compatibility:\u003c\/b\u003e Works with 48V battery systems and supports closed-loop communication with BigBattery ETHOS and EG4 batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\"\u003e\u003cb data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003eFast Backup Power Transfer:\u003c\/b\u003e Provides UPS functionality with 15–30ms switching to keep power running smoothly during outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,6,0\"\u003e\u003cb data-path-to-node=\"11,6,0\" data-index-in-node=\"0\"\u003eSmart Energy Management:\u003c\/b\u003e Supports peak shaving, load control, AC coupling, and grid interaction to improve system flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,7,0\"\u003e\u003cb data-path-to-node=\"11,7,0\" data-index-in-node=\"0\"\u003eBuilt-In Safety and Protection:\u003c\/b\u003e Includes built-in breakers and safety features to help simplify installation and improve protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,8,0\"\u003e\u003cb data-path-to-node=\"11,8,0\" data-index-in-node=\"0\"\u003eDurable Outdoor-Ready Rating:\u003c\/b\u003e Built with an IP65 \/ NEMA 4X protection rating, making it suitable for durable installation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,9,0\"\u003e\u003cb data-path-to-node=\"11,9,0\" data-index-in-node=\"0\"\u003eScalable System Expansion:\u003c\/b\u003e Supports up to 10 parallel connections, giving users flexibility for larger configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,10,0\"\u003e\u003cb data-path-to-node=\"11,10,0\" data-index-in-node=\"0\"\u003eRemote Monitoring Support:\u003c\/b\u003e Includes RS485, CANBus, and Wi-Fi communication for convenient system monitoring and control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1025\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1.webp\" alt=\"EG4 18kpv Inverter - simple system expansion\" class=\"wp-image-212514\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1.webp 2560w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-300x120.webp 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-1024x410.webp 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-768x308.webp 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-1536x615.webp 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-2048x820.webp 2048w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-990x396.webp 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-441x177.webp 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-813x326.webp 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-1300x521.webp 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/18kpv-Simple-System-Expansion-Final-1-scaled-1-150x60.webp 150w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2097\" height=\"840\" src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2024\/08\/18kPV-All-Weather-Rain-1.gif?fit=2097%2C840\u0026amp;ssl=1\" alt=\"power stays on in rain and strorm - EG4 18kpv Inverter\" class=\"wp-image-165378\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2097\" height=\"840\" src=\"https:\/\/i0.wp.com\/bigbattery.com\/wp-content\/uploads\/2024\/08\/18kpv-allweather-gridboss.gif?fit=2097%2C840\u0026amp;ssl=1\" alt=\"GridBoss - EG4 18kpv Inverter\" class=\"wp-image-167977\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1025\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2.webp\" alt=\"EG4 lineup\" class=\"wp-image-212515\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2.webp 2560w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-300x120.webp 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-1024x410.webp 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-768x308.webp 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-1536x615.webp 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-2048x820.webp 2048w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-990x396.webp 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-441x177.webp 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-813x326.webp 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-1300x521.webp 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/All-EG4-scaled-2-150x60.webp 150w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1025\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3.webp\" alt=\"EG4 18kpv Inverter - UL1741 Certified\" class=\"wp-image-212507\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3.webp 2560w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-300x120.webp 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-1024x410.webp 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-768x308.webp 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-1536x615.webp 1536w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-2048x820.webp 2048w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-990x396.webp 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-441x177.webp 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-813x326.webp 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-1300x521.webp 1300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/EG4-Inverter-Certification-scaled-3-150x60.webp 150w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" style=\"font-size: 0.875rem;\"\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"xsmcan\" data-start=\"3294\" data-end=\"3311\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3298\" data-end=\"3311\"\u003eResources\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3315\" data-end=\"4238\"\u003e\n\u003cli data-section-id=\"g7danu\" data-start=\"3315\" data-end=\"3419\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4-18KPV-12LV-Spec-Sheet.pdf\"\u003e\u003cstrong data-start=\"3317\" data-end=\"3332\"\u003eSpec Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"18h963j\" data-start=\"3422\" data-end=\"3532\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4-18KPV-12LV-Manual-1.pdf\"\u003e\u003cstrong data-start=\"3424\" data-end=\"3440\"\u003eUser Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"dxuddj\" data-start=\"3535\" data-end=\"3630\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/EG4-18KPV-12LV-Certification.pdf\"\u003e\u003cstrong data-start=\"3537\" data-end=\"3561\"\u003eUL 1741 Certificate\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"10fh5jz\" data-start=\"3633\" data-end=\"3774\"\u003e\u003cstrong data-start=\"3635\" data-end=\"3696\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/18KPV-12LV_1741_CRD_PCS_240425065GZU-002_-Test-Verification-of-Conformity_Security.pdf\"\u003eUL 1741 CRD PCS Test Verification of Conformity Security\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"q18v99\" data-start=\"3777\" data-end=\"3885\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/08\/RSD-Initiator-Install-Instructions-EG4-18kPV-Version-1-External.pdf\"\u003e\u003cstrong data-start=\"3779\" data-end=\"3812\"\u003eRapid Shut Down Wiring Guide\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EG4","offers":[{"title":"Default Title","offer_id":50711362306295,"sku":"INV024","price":4898.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/EG4-12K-18kPV-Inverter-front-V2.webp?v=1777043463","url":"https:\/\/northgridsupply.com\/products\/bigbattery-eg4-18kpv-hybrid-inverter","provider":"Northgrid Supply","version":"1.0","type":"link"}