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The Fortress Power Envy 8kW is a whole-home, all-in-one inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 90A AC passthrough providing up to 8kW (33.3@ 240V) or 10kw (41.6A @240V) of whole-home backup power. The Envy features a built-in generator input with AC/DC coupling, on- and off-grid capabilities, plus a MPPT output allowing for a maximum of 15kW PV array (Envy 10kW). The Envy is equipped with a built-in APsmart Module Level Rapid Shutdown Transmitter and Button, along with integrated AC & DC breakers allowing for fast installation and commissioning. Use our online monitoring app to access your system from anywhere.
Key Features:
- IP65 Rated For Indoor & Outdoor Installations
- MPPT Output For: Max Input 13KW PV Array (Envy 8kW)
- AC, DC And AC/DC Combined Coupling
- Built-In Generator Input
- 10 Units In Parallel
- Local And Remote Monitoring/App
- Color LCD Touch Screen.
- Batch Settings
Support Applications:
- Backup
- Off-Grid
- Zero Export
- Time-Of-Use
- Virtual Power Plant
- Peak Shaving
- Net Metering
- Smart Load
- Microgrid
Whole Home Backup One-Line Diagram
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| Input DC (PV Side) |
| Max. DC Input Power for Single MPPT |
6000W / 6000W |
| Max. PV Input Power |
13000W |
| Max. PV Power Delivered to Battery & AC Outputs |
12000W |
| DC Input Voltage Range |
100V-600V |
| Nominal DC Input Voltage |
360V |
| Full Power MPPT Voltage Range |
170V-500V |
| Max. DC Input Current |
25A / 25A |
| MPPT Number/(Strings per MPPT) |
2 / 2 |
| Output/Input AC (Grid) |
| Continuous AC Power to Grid |
8000W (240V) |
| Continuous AC Power to Load with Grid or Generator |
14,400W (240V) AC Passthrough / 12000W (240) GEN
|
| Nominal Output Voltage |
120V / 240V |
| Max. Continuous AC Current |
33.3A @ 240V |
| Nominal AC Frequency |
50Hz/60Hz |
| Output AC (Off-Grid) |
| Max. Output Power |
8000W |
| Nominal Output Voltage |
120V / 240V |
| Nominal Output Frequency |
50Hz / 60hZ |
| Nominal Output Current |
33.3A @ 240V |
| Peak Power |
16kW / 500ms |
| Switching Time |
Seamless
|
| Dedicated Auto-start Generator Port |
50A / 12kW
|
| Battery Parameters |
| Compatible Battery Type |
eVault Max, eFlex, LFP-10 MAX |
| Nominal Battery Voltage |
48V |
| Battery Voltage Range |
48V-56V |
| Maximum Charging/Discharging Current |
167A |
| Maximum Charging/Discharging Power |
8000W |
| Efficiency |
| MPPT Efficiency |
99.9% |
| Max. Efficiency |
97.5% |
| CEC Efficiency |
96.5% |
| Protection |
| Anti-islanding Protection |
YES |
| DC Switch |
YES |
| Ingress Protect Degree |
NEMA 4X, IP65 |
| SPD Protection |
YES |
| AFCI |
YES |
| RSD |
Built-in APsmart Transmitter |
| General Data |
| Dimensions |
580 x 490 x 265mm (22.8 x 19.3 x 10.4 in) |
| Weight |
44kg (97lbs) |
| Display |
Color LCD |
| Ambient Temperature Range |
-20 to 60 °C (-4 to 140 °F) |
| Cooling |
FAN |
| Communication |
RS485/Wi-Fi/CAN |
| Standard & Certification |
| Certifications |
UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma, SGIP, NOM |
| Warranty |
10 Years / Lead Acid or Fortress Lithium Batteries, other 48v battery manufacturers** |
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Envy 8kW Inverter - Data Sheet
Envy 8kW Inverter - Installation/User Manual
Envy 8kW Inverter Integration Guide
Envy 8kW Inverter Monitoring Setup Guide
Fortress Power System Design Tool
Fortress Power Envy 8kW Warranty (CDBG)
Fortress Power Envy 8kW Warranty
NOM Certification
OGPe Certification
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Shipping is typically through freight carriers and the actual shipping time is contingent on your location and the specific warehouse dispatching your order. Please allow for a 1-3 business day processing period before shipment, and an estimated delivery time of up to 7 business days. Your confirmation email will include delivery details and we will send you a tracking number as soon as one is available. If you ordered several separate items, you may receive multiple tracking numbers. Once the item has been shipped, the freight service will contact you to coordinate the date and time of delivery. If you require any special accommodations during delivery please let us know as soon as possible and let the delivery company know when arranging the appointment.
Typically, orders will be dropped off either curbside or outside your front door or garage. It is your responsibility to bring the order inside or to its final destination and to remove any existing items.
Depending on the item, parts may be shipped in multiple boxes, and assembly may be required. When your order is delivered, please check that you have all pieces of the item and that nothing is damaged. If your order is damaged during transit and external damage is visible, note the damage immediately, write it on the delivery documents, take photos and/or videos, and refuse shipment. If there is no visible external damage, accept the package but note “subject to concealed damage” on the delivery documents. Any damage upon delivery needs to be reported within 24 hours of delivery or you may not be eligible for a refund. For additional information on submitting claims, as well as incorrect item exchanges, and replacements, please see our Refund Policy.
For more information about shipping, please visit our complete Shipping Policy.
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