Locally owned and operated in Colorado since 2002--Everything You Need to Go Solar!
{"id":9371101495535,"title":"Fortress Power Envy 8kW Hybrid Inverter 8kW 240VAC Split-Phase All-in-One Solar Inverter","handle":"fortress-power-envy-8kw-hybrid-inverter-8kw-240vac-split-phase-all-in-one-solar-inverter","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe Fortress Power Envy 8kW Hybrid Inverter is an all-in-one solution built for whole-home energy storage and backup. With selectable 8kW continuous output (33.3A @ 240V), dual MPPTs, and a 60A AC passthrough, it delivers reliable power for residential whole-home backup, off-grid living, and seamless solar + storage integration. Designed for fast, code-compliant installation, the Envy includes integrated AC and DC breakers and a built-in APsmart Module Level Rapid Shutdown Transmitter and Button.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e8kW Continuous Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Delivers 33.3A @ 240VAC with a 60A AC passthrough, providing robust power for whole-home backup and larger residential systems. Scalable to 10kW mode (selectable, up to 41.6A @ 240V).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePowerful PV Input (13 kW):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports up to 13 kW of solar PV input (12 kW delivered to battery \u0026amp; AC outputs), maximizing energy harvest for on-grid and off-grid applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDual MPPTs (25A each):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Multiple maximum power point trackers optimize solar harvest from different array orientations, improving overall system efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePlug-and-Play Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built-in AC and DC breakers (63A AC breakers for Grid, Load \u0026amp; Generator; 250A DC battery breaker) and generous internal space for wire management streamline installation, reducing labor time and simplifying wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBuilt-In Rapid Shutdown (RSD):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fully integrated APsmart rapid shutdown transmitter and button helps installations meet NEC 2017 \u0026amp; 2020 code requirements without external devices — saving time and cost.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eSplit-Phase \u0026amp; Three-Phase Support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered for residential 120\/240V split-phase systems and can also be used in commercial 120\/208V or 127\/220V three-phase setups with two or more inverters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eParallel Capability (Up to 10 Units):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scale your system by paralleling up to 10 units for a maximum of 80kW of AC output, perfect for larger residential or commercial installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAC \u0026amp; DC Coupling:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports both AC and DC coupling, offering flexibility for various system configurations and existing solar installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBuilt-In Generator Input:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Integrated generator input (50A \/ 12kW port) allows for backup power during extended outages, adding an extra layer of system reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVirtual Power Plant (VPP) Ready:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e VPP-compatible and approved by utilities across the U.S. and Canada, allowing you to participate in demand response programs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBattery-Agnostic Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Seamlessly integrates with a wide range of lithium batteries, including Fortress Power's eVault Max, eFlex, eFlex MAX, LFP-10 MAX, as well as other major lithium battery brands (open-loop) and lead-acid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRemote Monitoring \u0026amp; Firmware Updates:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Monitor solar production, battery performance, and grid consumption anytime via the Fortress Power mobile app (Guardian). The Envy also supports remote firmware updates, ensuring your system stays current.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNEMA 4X \/ IP65 Rated:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for indoor and outdoor installations with robust environmental protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e10-Year Warranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Backed by a 10-year limited warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications (8kW Mode)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFP-ENVY-8K\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eContinuous Output Power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8kW (33.3A @ 240V), 8kW (38.5A @ 208V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAC Passthrough\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14400W (240V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAC Output Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240V, 120\/208V, 208V 3-Phase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaximum PV Input Power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13,000W (12,000W delivered to battery \u0026amp; AC outputs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. DC Input Power per MPPT\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6000W \/ 6000W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eNumber of MPPTs\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 (2 strings per MPPT)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. Usable Input Current per MPPT\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25A \/ 25A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDC Input Voltage Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100V-600V (550V max recommended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFull Power MPPT Voltage Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e170V-500V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAC Coupling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDC Coupling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eGenerator Input\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50A \/ 12kW (dedicated auto-start port)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eRapid Shutdown\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuilt-in APsmart transmitter (NEC 2017\/2020 compliant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eParallel Capability\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 10 units (80kW max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eThree-Phase Support\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes (with 2+ inverters)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBattery Voltage Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40V-60V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. Charging\/Discharging Current\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e167A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. Efficiency (PV to Grid)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e97.5%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCEC Efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e96.5%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eEnclosure Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNEMA 4X \/ IP65\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDimensions (H×W×D)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29.5\" × 20.5\" × 11.23\" (750 × 520 × 285 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e110 lbs (50 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDisplay\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eColor Touch LCD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAmbient Temperature Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-13°F to 140°F (-25°C to 60°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS485 \/ Wi-Fi \/ CAN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCooling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSmart Cooling Fans\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProtections\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAFCI, SPD (Type II DC PV, Type III AC), Anti-islanding, DC Switch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 Class B, HECO, CEC, Luma, SGIP, NOM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Years (limited)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Documents\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Manual (Installation\/User):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/6003\/5417\/files\/FP-8K-10K-MV.7_2_1.pdf?v=1777571639\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan\u003eDownload Manual\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2023\/07\/FP-Warranty-Envy-v2.pdf\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cspan\u003eDownload Warranty\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eDatasheet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/envy-inverter-810k-110823-1\/\"\u003e\u003cspan\u003eDownload Datasheet\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2026-04-30T11:50:12-06:00","created_at":"2026-04-30T11:50:11-06:00","vendor":"SolarPanelStore","type":"Inverter Large","tags":[],"price":473900,"price_min":473900,"price_max":473900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49480144257263,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"Envy 8kW G2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Fortress Power Envy 8kW Hybrid Inverter 8kW 240VAC Split-Phase All-in-One Solar Inverter","public_title":null,"options":["Default Title"],"price":473900,"weight":45359,"compare_at_price":null,"inventory_management":null,"barcode":"320-0030","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.solarpanelstore.com\/cdn\/shop\/files\/FortressPowerEnvy8kW.jpg?v=1777571279"],"featured_image":"\/\/www.solarpanelstore.com\/cdn\/shop\/files\/FortressPowerEnvy8kW.jpg?v=1777571279","options":["Title"],"media":[{"alt":"Fortress Power Envy 8kW Hybrid Inverter 8kW 240VAC Split-Phase All-in-One Solar Inverter","id":38727761330415,"position":1,"preview_image":{"aspect_ratio":0.811,"height":418,"width":339,"src":"\/\/www.solarpanelstore.com\/cdn\/shop\/files\/FortressPowerEnvy8kW.jpg?v=1777571279"},"aspect_ratio":0.811,"height":418,"media_type":"image","src":"\/\/www.solarpanelstore.com\/cdn\/shop\/files\/FortressPowerEnvy8kW.jpg?v=1777571279","width":339}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe Fortress Power Envy 8kW Hybrid Inverter is an all-in-one solution built for whole-home energy storage and backup. With selectable 8kW continuous output (33.3A @ 240V), dual MPPTs, and a 60A AC passthrough, it delivers reliable power for residential whole-home backup, off-grid living, and seamless solar + storage integration. Designed for fast, code-compliant installation, the Envy includes integrated AC and DC breakers and a built-in APsmart Module Level Rapid Shutdown Transmitter and Button.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e8kW Continuous Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Delivers 33.3A @ 240VAC with a 60A AC passthrough, providing robust power for whole-home backup and larger residential systems. Scalable to 10kW mode (selectable, up to 41.6A @ 240V).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePowerful PV Input (13 kW):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports up to 13 kW of solar PV input (12 kW delivered to battery \u0026amp; AC outputs), maximizing energy harvest for on-grid and off-grid applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDual MPPTs (25A each):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Multiple maximum power point trackers optimize solar harvest from different array orientations, improving overall system efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePlug-and-Play Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built-in AC and DC breakers (63A AC breakers for Grid, Load \u0026amp; Generator; 250A DC battery breaker) and generous internal space for wire management streamline installation, reducing labor time and simplifying wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBuilt-In Rapid Shutdown (RSD):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fully integrated APsmart rapid shutdown transmitter and button helps installations meet NEC 2017 \u0026amp; 2020 code requirements without external devices — saving time and cost.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eSplit-Phase \u0026amp; Three-Phase Support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered for residential 120\/240V split-phase systems and can also be used in commercial 120\/208V or 127\/220V three-phase setups with two or more inverters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eParallel Capability (Up to 10 Units):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scale your system by paralleling up to 10 units for a maximum of 80kW of AC output, perfect for larger residential or commercial installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAC \u0026amp; DC Coupling:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports both AC and DC coupling, offering flexibility for various system configurations and existing solar installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBuilt-In Generator Input:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Integrated generator input (50A \/ 12kW port) allows for backup power during extended outages, adding an extra layer of system reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVirtual Power Plant (VPP) Ready:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e VPP-compatible and approved by utilities across the U.S. and Canada, allowing you to participate in demand response programs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBattery-Agnostic Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Seamlessly integrates with a wide range of lithium batteries, including Fortress Power's eVault Max, eFlex, eFlex MAX, LFP-10 MAX, as well as other major lithium battery brands (open-loop) and lead-acid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRemote Monitoring \u0026amp; Firmware Updates:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Monitor solar production, battery performance, and grid consumption anytime via the Fortress Power mobile app (Guardian). The Envy also supports remote firmware updates, ensuring your system stays current.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNEMA 4X \/ IP65 Rated:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for indoor and outdoor installations with robust environmental protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e10-Year Warranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Backed by a 10-year limited warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications (8kW Mode)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFP-ENVY-8K\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eContinuous Output Power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8kW (33.3A @ 240V), 8kW (38.5A @ 208V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAC Passthrough\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14400W (240V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAC Output Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240V, 120\/208V, 208V 3-Phase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaximum PV Input Power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13,000W (12,000W delivered to battery \u0026amp; AC outputs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. DC Input Power per MPPT\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6000W \/ 6000W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eNumber of MPPTs\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 (2 strings per MPPT)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. Usable Input Current per MPPT\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25A \/ 25A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDC Input Voltage Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100V-600V (550V max recommended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFull Power MPPT Voltage Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e170V-500V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAC Coupling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDC Coupling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eGenerator Input\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50A \/ 12kW (dedicated auto-start port)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eRapid Shutdown\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuilt-in APsmart transmitter (NEC 2017\/2020 compliant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eParallel Capability\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 10 units (80kW max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eThree-Phase Support\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes (with 2+ inverters)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBattery Voltage Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40V-60V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. Charging\/Discharging Current\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e167A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMax. Efficiency (PV to Grid)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e97.5%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCEC Efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e96.5%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eEnclosure Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNEMA 4X \/ IP65\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDimensions (H×W×D)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29.5\" × 20.5\" × 11.23\" (750 × 520 × 285 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e110 lbs (50 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDisplay\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eColor Touch LCD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAmbient Temperature Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-13°F to 140°F (-25°C to 60°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS485 \/ Wi-Fi \/ CAN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCooling\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSmart Cooling Fans\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProtections\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAFCI, SPD (Type II DC PV, Type III AC), Anti-islanding, DC Switch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 Class B, HECO, CEC, Luma, SGIP, NOM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Years (limited)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Documents\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Manual (Installation\/User):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/6003\/5417\/files\/FP-8K-10K-MV.7_2_1.pdf?v=1777571639\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan\u003eDownload Manual\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/wp-content\/uploads\/2023\/07\/FP-Warranty-Envy-v2.pdf\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cspan\u003eDownload Warranty\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eDatasheet:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.fortresspower.com\/envy-inverter-810k-110823-1\/\"\u003e\u003cspan\u003eDownload Datasheet\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e"}

Fortress Power Envy 8kW Hybrid Inverter 8kW 240VAC Split-Phase All-in-One Solar Inverter

Product Description
$4,739.00
Maximum quantity available reached.

The Fortress Power Envy 8kW Hybrid Inverter is an all-in-one solution built for whole-home energy storage and backup. With selectable 8kW continuous output (33.3A @ 240V), dual MPPTs, and a 60A AC passthrough, it delivers reliable power for residential whole-home backup, off-grid living, and seamless solar + storage integration. Designed for fast, code-compliant installation, the Envy includes integrated AC and DC breakers and a built-in APsmart Module Level Rapid Shutdown Transmitter and Button.


Key Features & Benefits

8kW Continuous Output: Delivers 33.3A @ 240VAC with a 60A AC passthrough, providing robust power for whole-home backup and larger residential systems. Scalable to 10kW mode (selectable, up to 41.6A @ 240V).

Powerful PV Input (13 kW): Supports up to 13 kW of solar PV input (12 kW delivered to battery & AC outputs), maximizing energy harvest for on-grid and off-grid applications.

Dual MPPTs (25A each): Multiple maximum power point trackers optimize solar harvest from different array orientations, improving overall system efficiency.

Plug-and-Play Installation: Built-in AC and DC breakers (63A AC breakers for Grid, Load & Generator; 250A DC battery breaker) and generous internal space for wire management streamline installation, reducing labor time and simplifying wiring.

Built-In Rapid Shutdown (RSD): Fully integrated APsmart rapid shutdown transmitter and button helps installations meet NEC 2017 & 2020 code requirements without external devices — saving time and cost.

Split-Phase & Three-Phase Support: Engineered for residential 120/240V split-phase systems and can also be used in commercial 120/208V or 127/220V three-phase setups with two or more inverters.

Parallel Capability (Up to 10 Units): Scale your system by paralleling up to 10 units for a maximum of 80kW of AC output, perfect for larger residential or commercial installations.

AC & DC Coupling: Supports both AC and DC coupling, offering flexibility for various system configurations and existing solar installations.

Built-In Generator Input: Integrated generator input (50A / 12kW port) allows for backup power during extended outages, adding an extra layer of system reliability.

Virtual Power Plant (VPP) Ready: VPP-compatible and approved by utilities across the U.S. and Canada, allowing you to participate in demand response programs.

Battery-Agnostic Design: Seamlessly integrates with a wide range of lithium batteries, including Fortress Power's eVault Max, eFlex, eFlex MAX, LFP-10 MAX, as well as other major lithium battery brands (open-loop) and lead-acid.

Remote Monitoring & Firmware Updates: Monitor solar production, battery performance, and grid consumption anytime via the Fortress Power mobile app (Guardian). The Envy also supports remote firmware updates, ensuring your system stays current.

NEMA 4X / IP65 Rated: Suitable for indoor and outdoor installations with robust environmental protection.

10-Year Warranty: Backed by a 10-year limited warranty.


Technical Specifications (8kW Mode)

Specification Detail
Model FP-ENVY-8K
Continuous Output Power 8kW (33.3A @ 240V), 8kW (38.5A @ 208V)
AC Passthrough 14400W (240V)
AC Output Voltage 120/240V, 120/208V, 208V 3-Phase
Maximum PV Input Power 13,000W (12,000W delivered to battery & AC outputs)
Max. DC Input Power per MPPT 6000W / 6000W
Number of MPPTs 2 (2 strings per MPPT)
Max. Usable Input Current per MPPT 25A / 25A
DC Input Voltage Range 100V-600V (550V max recommended)
Full Power MPPT Voltage Range 170V-500V
AC Coupling Yes
DC Coupling Yes
Generator Input 50A / 12kW (dedicated auto-start port)
Rapid Shutdown Built-in APsmart transmitter (NEC 2017/2020 compliant)
Parallel Capability Up to 10 units (80kW max)
Three-Phase Support Yes (with 2+ inverters)
Battery Voltage Range 40V-60V
Max. Charging/Discharging Current 167A
Max. Efficiency (PV to Grid) 97.5%
CEC Efficiency 96.5%
Enclosure Rating NEMA 4X / IP65
Dimensions (H×W×D) 29.5" × 20.5" × 11.23" (750 × 520 × 285 mm)
Weight 110 lbs (50 kg)
Display Color Touch LCD
Ambient Temperature Range -13°F to 140°F (-25°C to 60°C)
Communication RS485 / Wi-Fi / CAN
Cooling Smart Cooling Fans
Protections AFCI, SPD (Type II DC PV, Type III AC), Anti-islanding, DC Switch
Certifications UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 Class B, HECO, CEC, Luma, SGIP, NOM
Warranty 10 Years (limited)

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