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LivingBatteries & InvertersFortress Power | All Around Package | Envy 8kW/10kW Inverter + 3/4 eFlex 5.4kWh + Guardian + DuraRack

Fortress Power | All Around Package | Envy 8kW/10kW Inverter + 3/4 eFlex 5.4kWh + Guardian + DuraRack

Save 41% Save 18%
Original price $18,779.95
Original price $14,779.95 - Original price $24,999.99
Original price $18,779.95
Current price $15,309.00
$11,174.00 - $18,989.00
Current price $15,309.00
Availability:
Out of stock
Availability:
Out of stock
Availability:
Out of stock
Availability:
in stock, ready to be shipped
Availability:
Out of stock
Availability:
in stock, ready to be shipped
Availability:
Out of stock
Availability:
Out of stock
Availability:
Out of stock
Availability:
in stock, ready to be shipped
Availability:
Out of stock
Availability:
in stock, ready to be shipped
Inverter: 8kW
Number of Batteries: 3 Batteries
DuraRack: With DuraRack
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Fortress Power | All Around Package | Envy 8kW/10kW Inverter + 3/4 eFlex 5.4kWh + Guardian + DuraRack

What's included?

1x Envy 8kW and 10kW Inverter
3x or 4x eFlex 5.4kWh LFP Battery
1x Guardian Gateway
With or without 1x DuraRack

Whole-Home Backup One-Line Diagram

Whole-Home Backup One-Line Diagram

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.

Key Features:

  • 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

Supported Applications:

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

Inverter Specifications

Envy 8kW Envy 10kW
Input DC (PV Side)    
Max. DC Input Power for Single MPPT 6000W / 6000 W 6000W / 6000 W
Max. PV Input Power 13000W 15000W
Max. PV Power Delivered to Battery & AC Outputs 12000W 12000W
DC Input Voltage Range 100V-600V 100V-600V
Nominal DC Input Voltage 360V 360V
Full Power MPPT Voltage Range 170V-500V 210V – 500V
Max. DC Input Current 25A / 25A 25A / 25A
MPPT Number/(Strings per MPPT) 2 / 2 2 / 2
Output/Input AC (Grid)    
Continuous AC Power to Grid 8000W (240V) 10000W (240V)
Continuous AC Power to Load with Grid or Generator 14,400W (240V) AC Passthrough/ 12000W (240) GEN 14,400W (240V) AC Passthrough/ 12000W GEN
Nominal Output Voltage 120V/240V 120V/240V
Max. Continuous AC Current 33.3A @ 240V 41.6A @ 240V
Nominal AC Frequency 50Hz/60Hz 50Hz/60Hz
Output AC (Off-Grid)    
Max. Output Power 8000W 10000W
Nominal Output Voltage 120V/240V 120V/240V
Nominal Output Frequency 50Hz/60Hz 50Hz/60Hz
Nominal Output Current 33.3A @ 240V 41.6A @ 240V
Peak Power 16kW / 500ms 20kW / 500ms
Switching Time Seamless Seamless
Dedicated Auto-start Generator Port 50A / 12kW 50A / 12kW
Battery Parameters    
Compatible Battery Type eVault Max, eFlex, LFP-10 MAX eVault Max, eFlex, LFP-10 MAX
Nominal Battery Voltage 48V 48V
Battery Voltage Range 48V-56V 48V-56V
Maximum Charging/Discharging Current 167A 210A
Maximum Charging/Discharging Power 8000W 10000W
Efficiency    
MPPT Efficiency 99.9% 99.9%
Max. Efficiency 97.5% 97.5%
CEC Efficiency 96.5% 96.5%
Protection    
Anti-islanding Protection YES YES
DC Switch YES YES
Ingress Protect Degree NEMA 4X, IP65 NEMA 4X, IP65
SPD Protection YES YES
AFCI YES YES
RSD Built-in APsmart Transmitter Built-in APsmart Transmitter
General Data    
Dimensions 580 x 490 x 265mm (22.8 x 19.3 x 10.4 in) 580 x 490 x 265mm (22.8 x 19.3 x 10.4 in)
Weight 44kg (97lbs) 44kg (97lbs)
Display Color LCD Color LCD
Ambient Temperature Range -25 to 60 °C (-13 to 140 °F) -25 to 60 °C (-13 to 140 °F)
Cooling FAN FAN
Communication RS485/Wi-Fi/CAN RS485/Wi-Fi/CAN
Standard & Certification    
Certifications UL1741, UL1741SB, IEEE1547A, rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma, SGIP, NOM 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** 10 Years / Lead Acid or Fortress Lithium Batteries, other 48v battery manufacturers**** BATTERIES TO BE CONFIGURED IN OPEN-LOOP COMMUNICATION

** BATTERIES TO BE CONFIGURED IN OPEN-LOOP COMMUNICATION

Frequently Asked Questions

General

Where are you located, and where do you ship from?

We are a U.S.-operated company with our main headquarters in Sheridan, Wyoming.

Orders are shipped across the continental U.S. from our network of warehouses, managed by our logistics partners in California, Illinois, Texas, New York, Florida, and Toronto.

How much is shipping?

We’re proud to offer FREE SHIPPING on all orders over $200 within the Continental United States.

The only exception is sauna stones—due to their weight and high shipping costs, we apply a shipping charge when they are purchased without a heater.

Do you provide financing?

Absolutely! To view your financing offer, simply select Shop Pay Installments as your payment method at Step 3 of checkout.

You'll need to enter a debit card to receive your offer, but don’t worry—you can still back out before completing the purchase.

How long will it take for my items to arrive?

If you order today, you can expect delivery within 5-13 business days. In-stock products typically ship within 2-6 business days, and once they leave the warehouse, transit time is usually 3-7 business days, depending on your location. Let us know if you need more details!

For pre-order or made-to-order items, the estimated delivery time frame is listed on the product page.

What happens after I place my order?

As soon as you place your order, you'll receive a confirmation email with your order details—be sure to keep it for your records. Once we process your order, we'll begin preparing it for shipment. As soon as it ships, you'll receive another email with tracking information.

1-2 days before delivery, the delivery team will call you to schedule an appointment. You’ll need to be home to accept and sign for the delivery at the scheduled time.

Is there a warranty?

Yes, all products come with a manufacturer warranty. You can find the specific warranty details for each product under the "Warranty" tab on its product page.

Do you have a showroom?

We don’t have a showroom, which means we can bring you the lowest prices as we don’t need to worry about any extra costs!

Where do you deliver to?

We offer free Curbside Delivery to all 48 lower states and for some products even Canada.

Do you ship internationally?

International Shipping

Yes, we offer international shipping for many of our products. Customers outside the US can request a personalized shipping quote by contacting us. Please be aware that any applicable taxes or customs fees will be the responsibility of the customer. Note that some items may be subject to shipping restrictions.

Shipping to Hawaii, Alaska, and Puerto Rico

We ship to Hawaii, Alaska, and Puerto Rico, although most items are subject to additional shipping fees. To obtain specific rates and prevent any restocking fees, please email us at contact@topture.com.

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