Description
Description
Fortress Power Envy 8kW Whole-Home Hybrid Solar Inverter
Product Description
The Fortress Power Envy 8kW is a whole-home, all-in-one hybrid solar inverter designed for grid-connected, off-grid and backup power applications. It provides 8kW of continuous output and supports up to 13kW of photovoltaic input.
The Envy 8kW supports AC, DC and combined AC/DC coupling, allowing it to work with an existing solar array or a new DC-coupled system. A dedicated auto-start generator port, integrated AC and DC breakers and a built-in APSmart rapid-shutdown transmitter help simplify system installation and operation.
- 8kW continuous AC output
- 16kW surge capacity for 500 milliseconds
- Maximum 13kW photovoltaic input
- Two MPPTs with two strings per MPPT
- 120/240V and 120/208V output support
- Compatible with eFlex, eVault MAX and LFP-10 MAX batteries
- Dedicated 50A/12kW auto-start generator port
- AC, DC and combined AC/DC coupling
- Integrated AC and DC breakers
- Built-in APSmart rapid-shutdown transmitter
- Supports up to 10 inverters in parallel
- Local and remote system monitoring
- Wireless fleet monitoring and programming
- Color LCD touchscreen
- Seamless transfer
- NEMA 4X and IP65 rated for indoor or outdoor installation
- Ten-year warranty
Supported applications include:
- Backup power
- Off-grid power
- Zero export
- Time-of-use management
- Virtual power plants
- Peak shaving
- Net metering
- Smart-load management
- Microgrids
Specifications
| Specification | Details |
|---|---|
| Manufacturer | Fortress Power |
| Model | Envy 8kW |
| GTIN | 00850079800038 |
| Maximum DC Input per MPPT | 6,000W / 6,000W |
| Maximum PV Input Power | 13,000W |
| Maximum PV Power Delivered to Battery and AC Outputs | 12,000W |
| DC Input Voltage Range | 100–600V |
| Nominal DC Input Voltage | 360V |
| Full-Power MPPT Voltage Range | 170–500V |
| Maximum DC Input Current | 25A / 25A |
| MPPTs / Strings per MPPT | 2 / 2 |
| Continuous AC Power to Grid | 8,000W at 240V |
| Continuous AC Power to Load with Grid | 14,400W at 240V AC passthrough |
| Continuous AC Power to Load with Generator | 12,000W at 240V |
| Nominal Grid Output Voltage | 120/240V single split-phase, 120/208V single split-phase and 120/208V three-phase |
| Maximum Continuous AC Current | 33.3A at 240V |
| Nominal AC Frequency | 50/60Hz |
| Maximum Off-Grid Output Power | 8,000W |
| Off-Grid Output Voltage | 120/240V |
| Off-Grid Output Frequency | 50/60Hz |
| Off-Grid Output Current | 33.3A at 240V |
| Peak Power | 16kW for 500 milliseconds |
| Switching Time | Seamless |
| Auto-Start Generator Port | 50A / 12kW |
| Compatible Batteries | Fortress Power eVault MAX, eFlex and LFP-10 MAX |
| Nominal Battery Voltage | 48V |
| Battery Voltage Range | 48–56V |
| Maximum Charge/Discharge Current | 167A |
| Maximum Charge/Discharge Power | 8,000W |
| MPPT Efficiency | 99.9% |
| Maximum Efficiency | 97.5% |
| CEC Efficiency | 96.5% |
| Anti-Islanding Protection | Yes |
| DC Switch | Yes |
| Ingress Protection | NEMA 4X / IP65 |
| Surge Protection | Yes |
| AFCI | Yes |
| Rapid Shutdown | Built-in APSmart transmitter |
| Maximum Parallel Units | 10 |
| Dimensions | 22.8 × 19.3 × 10.4 inches |
| Metric Dimensions | 580 × 490 × 265 mm |
| Weight | 97 lbs / 44 kg |
| Display | Color LCD |
| Ambient Temperature Range | -13°F to 140°F / -25°C to 60°C |
| Cooling | Fan |
| Communication | RS485, Wi-Fi and CAN |
| Certifications | UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC Part 15 Class B, HECO, CEC, Luma, SGIP and NOM |
| Warranty | 10 years |
| Estimated Delivery | One to two weeks |
FAQs
Q: How much continuous power does the Fortress Power Envy 8kW provide?
A: It provides 8,000W of continuous AC output and up to 16kW of peak output for 500 milliseconds.
Q: What is the maximum supported solar-array size?
A: The Envy 8kW supports up to 13,000W of photovoltaic input.
Q: Which Fortress Power batteries are compatible?
A: It is compatible with eFlex, eVault MAX and LFP-10 MAX batteries.
Q: Does the Envy 8kW support generator input?
A: Yes. It includes a dedicated 50A/12kW auto-start generator port.
Q: Can the inverter be installed outdoors?
A: Yes. Its NEMA 4X and IP65 enclosure is rated for indoor or outdoor installation.
8KW Solar hybrid inverter; Max 13KW PV array; IP 65 outdoor rated; Built-in APSmart RSD Transmitter
