Fortress Power Envy True 8 Whole Home Solar Storage 8kW Inverter and eVault Max 18.5kWh LFP All-In-One Battery Solution

The Fortress Power Envy 8kW and 10kW are 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 2 MPPT output allowing for a maximum of 13 kW PV array (Envy 8kW) or 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.

• IP65 Rated For Indoor & Outdoor Installations
• 2 MPPTs Output For: Max Input 13KW PV Array (Envy 8kW) Max Input 15KW PV Array (Envy 10kW)
• 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

• Backup
• Off-Grid
• Zero Export
• Time-Of-Use
• Virtual Power Plant
• Peak Shaving
• Net Metering
• Smart Load
• Microgrid

• Max. DC Input Power for Single MPPT: 6000W / 6000 W
• 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): 44959

• Continuous AC Power to Grid: 8000W (240V)
• Continuous AC Power to Load with Grid or Generator: 21000W (240V) AC Passthrough/ 12000W (240) GEN
• Nominal Output Voltage: 120V/240V
• Max. Continuous AC Current: 33.3A @ 240V
• Nominal AC Frequency: 50Hz/60Hz

• 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

• 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

• MPPT Efficiency: 0.99%
• Max. Efficiency: 0.97%
• CEC Efficiency: 0.96%

• Anti-islanding Protection: YES
• DC Switch: YES
• Ingress Protect Degree: NEMA 4X, IP65
• SPD Protection: YES
• AFCI: YES
• RSD: Built-in APsmart Transmitter

• Dimensions: 580 x 490 x 265mm (22.8 x 19.3 x 10.4 in)
• Weight: 44kg (97lbs)
• Display: Color LCD
• Ambient Temperature Range: -25 to 60 °C (-13 to 140 °F)
• Cooling: FAN
• Communication: RS485/Wi-Fi/CAN

• Certifications: UL1741, UL1741SB, IEEE1547A, rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma
• Warranty: 5 Years (Optional 10 Years)

The newest innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh ®. An all-in-one solution for your residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple and worry free. The eVault Max is AC/DC coupled to solar arrays and works for many applications that require solar storage, including Off-Grid, Back Up power, self-supply and Peak Charge Reduction just to name a few.

• Overcharge and Deep Discharge Protection
• Over-heat protection
• Over Current Protection
• Cell Monitoring and Balancing
• Voltage and Temperature Monitoring
• Closed-Loop Communication with Inverters
• Optimized Internal Structure – Easily Serviceable
• Handles More Surge Capacity from Inverters

• Latest Lithium Iron Phosphate technology (UL 1973 and UL9540 certified)
• Expandable from 18.5 kWh to 370 kWh for both residential and commercial buildings
• Local monitoring via Large LCD display
• Closed-Loop Communication with hybrid inverters via smart Digital Process Based Battery Management System (BMS)
• Competitively priced and easy to install with > 98% round-trip efficiency
• Optimized internal structure makes for easy installation and serviceability
• AC/DC coupling to existing and new PV systems
• 10-year warranty

eVault Max Specifications

• Total Energy (kWh): 18.5
• Capacity[Ah]: 360
• Nominal Voltage [V] 51.2 (48)
• Voltage Range[V]: 48-55
• Recommended Charge Current [A]: 150
• Max. Charge Current (Continuous)[A]: 180
• Max. Discharge Current (Continuous)[A]: 180
• Max. Pulse Current (for 10 sec) [A]: 200
• Charging Temperature[F]: 32 to 120
• Discharging Temperature[F]: -4 to 140
• Recommended Storage Temperature [F]: 14 to 77
• Dimension [H xW x D, inch]: 20.3 x 20.3 x 42.2
• Weight[lbs]: 520
• Enclosure Protection Rating: IP55
• Mounting options: Floor standing
• Certificates: UL 1642, UL1973, UL9540
• Warranty: 10 Years
• Scalability: Maximum 20 in Parallel (370 kWh)
• Communication: CAN/RS485
• High Current Circuit Breaker: 250A
• Efficiency: >98%