Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

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Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo
Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo
Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

Fortress Power

Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

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MPN No: eFlex Max 5.4 kWh + Envy 8 kW
$6,623.00 -2% $6,773

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Expected ship date Sep 23 - 30

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$6,623.00 -2% $6,773
Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

MPN No:

eFlex Max 5.4 kWh + Envy 8 kW

Expected ship date Sep 23 - 30
$6,623.00 -2% $6,773

Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Battery Combo

1x Envy 8kW + 2 eFlex Max 5.4 kWh 

Envy 8kW Datasheet

eFlex Max 5.4 kWh Datasheet

Power Your Home: Envy 8kW Inverter & Dual eFlex Max 5.4 kWh Battery Combo

Unlock energy independence and reliable whole-home backup with our exclusive combo offer! This powerful package features the cutting-edge Envy 8kW Hybrid Inverter paired with two high-capacity eFlex Max 5.4 kWh Lithium Iron Phosphate (LFP) Batteries, delivering a robust and efficient energy storage solution for your home.

Why Choose This Combo?

Seamless Integration: The Envy 8kW Inverter is specifically designed to work flawlessly with eFlex Max batteries, ensuring optimal performance and streamlined communication between your system's components.

Whole-Home Power: Experience true energy security with 8kW of continuous backup power, capable of supporting essential appliances and even larger loads during grid outages.

Massive Energy Storage: With two eFlex Max 5.4 kWh batteries, you'll have a combined 10.8 kWh of usable energy storage, providing ample power for daily self-consumption, peak-shaving, or extended blackouts.

Hybrid Functionality: The Envy 8kW inverter supports both on-grid and off-grid applications, allowing you to maximize solar utilization, participate in virtual power plant (VPP) programs, and even integrate a generator for ultimate peace of mind.

Built to Last: Both the Envy inverter and eFlex Max batteries boast durable designs and high-quality components, ensuring a long lifespan and reliable performance. The eFlex Max batteries feature a remarkable 8,000+ cycle life and a 10-year warranty.

Easy to Install & Monitor: The Envy inverter comes with integrated AC/DC breakers and built-in rapid shutdown for faster, code-compliant installation. Plus, monitor your system's performance remotely via the intuitive online app.

Weather-Resistant Design: The eFlex Max batteries are IP65 rated, making them suitable for both indoor and outdoor installations, even in demanding environments.

What's Included:

  • 1 x Envy 8kW Hybrid Inverter:

    • 8kW continuous output (selectable to 10kW with certain models)

    • 2 MPPTs for up to 13kW PV array input

    • AC/DC coupling and built-in generator input

    • Seamless switching for uninterrupted power

    • IP65 rated for indoor/outdoor installation

    • Remote monitoring and firmware updates

  • 2 x eFlex Max 5.4 kWh Lithium Iron Phosphate (LFP) Batteries:

    • 5.4 kWh total energy per battery (10.8 kWh combined)

    • 105Ah nominal capacity per battery

    • 8,000+ cycle life at 80% DoD

    • Superior thermal performance and durability

    • IP65 rated for indoor/outdoor installation

    • Flexible wall or floor mounting options

Ideal for:

  • Homeowners seeking reliable backup power

  • Those looking to optimize solar self-consumption

  • Off-grid living solutions

  • Anyone aiming to reduce their electricity bills and carbon footprint

Product Specification Table: Envy 8kW Inverter & Dual eFlex Max 5.4 kWh Battery Combo

 

Feature

Envy 8kW Hybrid Inverter

eFlex Max 5.4 kWh Lithium Battery (x2)

General

Product Type

Hybrid Solar Inverter

Lithium Iron Phosphate (LFP) Battery

Quantity in Combo

1

2

Inverter Specifications

Rated AC Output Power

8 kW (Continuous)

N/A

Peak AC Output Power

(Selectable up to 10kW on some models)

N/A

AC Coupling

Yes

N/A

DC Coupling

Yes

N/A

PV Input (MPPTs)

2 (Independent MPPTs)

N/A

Max PV Array Input Power

Up to 13 kW

N/A

Generator Input

Built-in

N/A

Switching Time (Grid-to-Backup)

Seamless

N/A

Enclosure Rating

IP65 (Indoor/Outdoor)

N/A

Monitoring

Remote (via online app)

N/A

Safety Features

Integrated AC/DC Breakers, Built-in Rapid Shutdown

N/A

Battery Specifications

Battery Chemistry

Lithium Iron Phosphate (LFP)

Lithium Iron Phosphate (LFP)

Nominal Energy (per battery)

N/A

5.4 kWh

Total Usable Energy (Combo)

N/A

10.8 kWh (2 x 5.4 kWh)

Nominal Capacity (per battery)

N/A

105 Ah

Cycle Life

N/A

8,000+ cycles @ 80% DoD

Warranty

N/A

10 Years

Enclosure Rating

N/A

IP65 (Indoor/Outdoor)

Mounting Options

N/A

Wall or Floor Mount

Scalability

N/A

Yes (typically expandable with more units)

System Compatibility

Inverter-Battery Communication

Optimized for seamless integration

Optimized for seamless integration

Recommended Use Cases

Grid-tied, Off-grid, Backup Power, Solar Optimization, Peak Shaving

Energy Storage for Solar & Backup

About Fortress:

Fortress Power is a U.S.-based energy storage company known for its advanced lithium iron phosphate (LFP) battery systems and solar inverters. Their product line includes scalable solutions like the eFlex, eVault Max, and Envy series, designed for residential and commercial applications. Fortress Power systems are valued for safety, reliability, and seamless integration with solar energy systems, enabling efficient backup and off-grid performance.

Why Buy From US Solar Supplier?

As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on.

We update our inventory daily with solar components that feature the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.

Need Assistance?
We’re here to help! If you have any questions or need more information before making your purchase, don’t hesitate to call us at 1-800-230-7004. Our knowledgeable and friendly team is ready to assist you with product details, installation advice, or the purchasing process.

Why Buy From Us?
Trusted Supplier: We work with Tier 1 manufacturers who stand behind their products.

Expert Support: Our team is here to guide you every step of the way.

Manufacturer-Backed Warranties: Enjoy peace of mind with the 10-year product warranty directly from the manufacturer.

Easy and Secure Checkout: Your information is protected with top-notch security for a smooth, worry-free transaction.

Join the many satisfied customers who have trusted us for their solar needs. Add to your cart now to secure your high-efficiency solar panels and take the next step towards sustainable energy!

FAQs

Q: Is the eFlex Max compatible with the Envy 8 kW inverter?
Yes, the eFlex Max 5.4 kWh battery is designed to integrate seamlessly with the Envy 8 kW inverter. However, always verify compatibility through your installer based on your specific system configuration.

Q: Can I use the Envy 8 kW without a battery?
Yes, the Envy 8 kW can operate as a grid-tied inverter without a battery. Adding the eFlex Max battery enables energy storage for use during outages or at night.

Q: How do I monitor the system’s performance?
The Envy system offers remote monitoring via a mobile app or web portal. This allows you to view real-time energy production, battery status, and overall system health.

Q: What happens during a power outage?
When paired with the eFlex Max battery and configured correctly, the Envy inverter can supply backup power to selected loads during an outage. Without the battery, it will shut down in compliance with grid-safety regulations.

Q: What maintenance is required?
Both the Envy inverter and eFlex Max battery require minimal maintenance. It’s recommended to check for system alerts periodically and keep the equipment well-ventilated and free of debris.

Q: What is the round-trip efficiency of the eFlex Max battery?
The eFlex Max has a round-trip efficiency of approximately 96%, ensuring minimal energy loss during charging and discharging.

Q: What voltage does the Envy 8 kW support?
The Envy 8 kW typically operates in the 208–240V range. Check the product datasheet for detailed AC and DC voltage specifications and allowable current ratings.

Q: What communication protocols are supported?
The Envy system supports multiple communication protocols including Wi-Fi, CAN, and RS485, which allow integration with batteries, monitoring platforms, and other system components.


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