Fortress Power Envy 8kW Whole Home Solar Storage Inverter

$3,599.00

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Designed for fast, code-compliant installation, the Envy includes integrated AC and DC breakers and a built-in APsmart Module Level Rapid Shutdown Transmitter and Button. System owners and installers can take full control with the Fortress Power Guardian mobile app, offering remote monitoring, performance insights, and firmware updates from anywhere. Approved by utilities across the U.S. and Puerto Rico, the Envy 8/10kW also enables participation in Virtual Power Plant (VPP) programs, allowing you to earn compensation for discharging energy back to the grid during periods of high demand.

FEATURES

The Envy 8/10kW Hybrid Inverter delivers up to 13 kW of PV input and offers a selectable 8kW continuous output — perfect for whole-home backup or larger residential systems. Need more power? Parallel up to 10 units for a maximum of 80kW or 100kW of AC output.
Designed with built-in AC and DC breakers and generous internal space for wire management, the Envy enables a streamlined installation process — reducing labor time and simplifying wiring for both retrofit and new systems.
Designed with built-in AC and DC breakers and generous internal space for wire management, the Envy enables a streamlined installation process — reducing labor time and simplifying wiring for both retrofit and new systems.
The Envy is engineered for residential 120/240V split-phase systems and can also be used in commercial 120/208V or 127/220V three-phase setups with just two or more inverters — offering unmatched versatility for mixed-use projects.
Join utility demand response programs and get paid to support the grid. The Envy is VPP-compatible and approved by utilities across the U.S. and Canada, allowing your Fortress Power system to discharge energy during peak demand and generate ongoing financial rewards.
Monitor your solar production, battery performance, and grid consumption anytime via the Fortress Power mobile app. The Envy also supports remote firmware updates, ensuring your system stays up to date without the need for onsite visits.

Specifications

Nominal Voltage: 120/240V (AC), 48V (DC battery)
Nominal Power: 8 kW continuous (16 kW peak for 500 ms)
Max PV Input Power: 13,000 W
MPPT Inputs: 2 (2:2 configuration)
Max. Input Current: 25 / 25 A
Max Efficiency (PV to Grid): 97.5%
CEC Efficiency: 96.5%
Battery Charge/Discharge Current: 167 A
Operating Voltage Range (Battery): 48–56 V
Dimensions (H×W×D): 580 × 490 × 265 mm | 22.8 × 19.3 × 10.4 in
Weight: 44 kg (97 lb)
Protection Rating: NEMA 4X / IP65
Operating Temperature: -25°C to 60°C (derating >40°C)
Cycle Life (Est.): ≥9500 cycles @80% DOD (for compatible lithium batteries)

10 Year Limited warranty

Document Library

Envy Inverter 8 kW Specifications

Envy Inverter 8 kW Install Manual

Envy Battery-inverter Integrations guide

Envy Inverter Monitoring setup guide

Envy Inverter Warranty

Shipping Information

FREE & FAST SHIPPING SAVE Hundreds Today with Free Shipping on All Orders. We Ship to ALL 48 Lower States (We do not ship to Puerto Rico, Hawaii, Alaska)

Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, We immediately begin processing, the order request is sent to our warehouse and is prepared for pickup, it then usually takes around 3-7 business days to be picked up for transit.

Transit Time - Transit Time can vary depending on the distance between your location and the warehouse but you can expect the item to arrive between 3-8 business days after pickup.

Our Shipping Partners: FedEx, UPS, Freight Club (among others)

We partner with the most reliable freight companies in the USA to ensure your order arrives safe and in a timely manner.

Your Item will ship from warehouses all across the United States to ensure fast and efficient delivery times for our customers.

If there are any delays regarding your product shipment, we will let you know in advance.

Order Confirmation:

As soon as you place your order, you will receive an order confirmation e-mail. (please allow a few hours for this to come through in some cases) This means that we have received your order in our system and pre-authorized your credit card for the purchase.

As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.

If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at sales@buildthepower.com

No Shipping outside the USA. (Some exceptions apply - if the website permits you to check out and enter your shipping address, you will receive your order. Some products in particular are available in Canada).

Shipping Options

Our base "Curb-side" Pickup shipping is always completely free! This option usually takes between 5-15 days to arrive at your doorstep, after you have submitted your order.

Threshold Shipping: This involves the item being brought onto your porch, or into a sheltered/garage area.

Double-Check Your Address

To ensure that your package is properly delivered and that you receive your package within the time frames we advertise, please
make sure that your address is correctly entered and includes all relevant and/or required information. The use of correct
abbreviations, street numbers, building or apartment numbers, and route information (if applicable) is critical for ensuring
timely delivery. We do not take responsibility for lost, misplaced, or incorrectly delivered shipments if the address information
provided is incorrect or incorrectly entered at the time of purchase.

Damages

Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should make note of it when signing for delivery. If your item(s) do arrived damaged please send photos of damage, box and SKU, along with a brief description of the damage to sales@buildthepower.com and we will process an insurance claim on your behalf. Photos and videos must be sent for freight damage within 24 hours of arrival or the freight damage claim will not be valid. Any punctures, or visible signs of exterior damage must be reported within 24 hours.

Warranty

10 Years

Return Information

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

Should you decide to cancel your order prior to its shipment, a 3% deduction will be applied to cover platform fee expenses from the total paid amount.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Items that are not in this condition will not be accepted.

To start a return, you can contact us at sales@buildthepower.com If your return is accepted, we'll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Returns for reasons other than damaged items will require a 15-25% re-stocking fee, this depends on the size and freight cost of the item to ship back, we sell large items and shipping can be costly.

Returns/Cancellations after the item has shipped will also incur a 15-25% fee charged to you, as freight costs can be high for our products.

If your return is outside of the 30 day return period, your item will not be accepted.

You can always contact us for any return questions at sales@buildthepower.com.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.

Items that are damaged must be communicated to us within 24 hours of receiving the item.

Please note that if items have been taken out of the packaging and/or installed, returns may be voided depending on the manufacturer.

Some of our manufacturers do not accept returns for specific items, this must be considered when purchasing.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

Contact Information

You can contact us using the methods below.

US Customer Support Number: +1 507 636 3614
Email: sales@buildthepower.com

Description

Designed for fast, code-compliant installation, the Envy includes integrated AC and DC breakers and a built-in APsmart Module Level Rapid Shutdown Transmitter and Button. System owners and installers can take full control with the Fortress Power Guardian mobile app, offering remote monitoring, performance insights, and firmware updates from anywhere. Approved by utilities across the U.S. and Puerto Rico, the Envy 8/10kW also enables participation in Virtual Power Plant (VPP) programs, allowing you to earn compensation for discharging energy back to the grid during periods of high demand.

FEATURES

The Envy 8/10kW Hybrid Inverter delivers up to 13 kW of PV input and offers a selectable 8kW continuous output — perfect for whole-home backup or larger residential systems. Need more power? Parallel up to 10 units for a maximum of 80kW or 100kW of AC output.
Designed with built-in AC and DC breakers and generous internal space for wire management, the Envy enables a streamlined installation process — reducing labor time and simplifying wiring for both retrofit and new systems.
Designed with built-in AC and DC breakers and generous internal space for wire management, the Envy enables a streamlined installation process — reducing labor time and simplifying wiring for both retrofit and new systems.
The Envy is engineered for residential 120/240V split-phase systems and can also be used in commercial 120/208V or 127/220V three-phase setups with just two or more inverters — offering unmatched versatility for mixed-use projects.
Join utility demand response programs and get paid to support the grid. The Envy is VPP-compatible and approved by utilities across the U.S. and Canada, allowing your Fortress Power system to discharge energy during peak demand and generate ongoing financial rewards.
Monitor your solar production, battery performance, and grid consumption anytime via the Fortress Power mobile app. The Envy also supports remote firmware updates, ensuring your system stays up to date without the need for onsite visits.

Specifications

Nominal Voltage: 120/240V (AC), 48V (DC battery)
Nominal Power: 8 kW continuous (16 kW peak for 500 ms)
Max PV Input Power: 13,000 W
MPPT Inputs: 2 (2:2 configuration)
Max. Input Current: 25 / 25 A
Max Efficiency (PV to Grid): 97.5%
CEC Efficiency: 96.5%
Battery Charge/Discharge Current: 167 A
Operating Voltage Range (Battery): 48–56 V
Dimensions (H×W×D): 580 × 490 × 265 mm | 22.8 × 19.3 × 10.4 in
Weight: 44 kg (97 lb)
Protection Rating: NEMA 4X / IP65
Operating Temperature: -25°C to 60°C (derating >40°C)
Cycle Life (Est.): ≥9500 cycles @80% DOD (for compatible lithium batteries)

10 Year Limited warranty

Document Library

Envy Inverter 8 kW Specifications

Envy Inverter 8 kW Install Manual

Envy Battery-inverter Integrations guide

Envy Inverter Monitoring setup guide

Envy Inverter Warranty

Shipping Information

FREE & FAST SHIPPING SAVE Hundreds Today with Free Shipping on All Orders. We Ship to ALL 48 Lower States (We do not ship to Puerto Rico, Hawaii, Alaska)

Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, We immediately begin processing, the order request is sent to our warehouse and is prepared for pickup, it then usually takes around 3-7 business days to be picked up for transit.

Transit Time - Transit Time can vary depending on the distance between your location and the warehouse but you can expect the item to arrive between 3-8 business days after pickup.

Our Shipping Partners: FedEx, UPS, Freight Club (among others)

We partner with the most reliable freight companies in the USA to ensure your order arrives safe and in a timely manner.

Your Item will ship from warehouses all across the United States to ensure fast and efficient delivery times for our customers.

If there are any delays regarding your product shipment, we will let you know in advance.

Order Confirmation:

As soon as you place your order, you will receive an order confirmation e-mail. (please allow a few hours for this to come through in some cases) This means that we have received your order in our system and pre-authorized your credit card for the purchase.

As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.

If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at sales@buildthepower.com

No Shipping outside the USA. (Some exceptions apply - if the website permits you to check out and enter your shipping address, you will receive your order. Some products in particular are available in Canada).

Shipping Options

Our base "Curb-side" Pickup shipping is always completely free! This option usually takes between 5-15 days to arrive at your doorstep, after you have submitted your order.

Threshold Shipping: This involves the item being brought onto your porch, or into a sheltered/garage area.

Double-Check Your Address

To ensure that your package is properly delivered and that you receive your package within the time frames we advertise, please
make sure that your address is correctly entered and includes all relevant and/or required information. The use of correct
abbreviations, street numbers, building or apartment numbers, and route information (if applicable) is critical for ensuring
timely delivery. We do not take responsibility for lost, misplaced, or incorrectly delivered shipments if the address information
provided is incorrect or incorrectly entered at the time of purchase.

Damages

Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should make note of it when signing for delivery. If your item(s) do arrived damaged please send photos of damage, box and SKU, along with a brief description of the damage to sales@buildthepower.com and we will process an insurance claim on your behalf. Photos and videos must be sent for freight damage within 24 hours of arrival or the freight damage claim will not be valid. Any punctures, or visible signs of exterior damage must be reported within 24 hours.

Warranty

10 Years

Return Information

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

Should you decide to cancel your order prior to its shipment, a 3% deduction will be applied to cover platform fee expenses from the total paid amount.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Items that are not in this condition will not be accepted.

To start a return, you can contact us at sales@buildthepower.com If your return is accepted, we'll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Returns for reasons other than damaged items will require a 15-25% re-stocking fee, this depends on the size and freight cost of the item to ship back, we sell large items and shipping can be costly.

Returns/Cancellations after the item has shipped will also incur a 15-25% fee charged to you, as freight costs can be high for our products.

If your return is outside of the 30 day return period, your item will not be accepted.

You can always contact us for any return questions at sales@buildthepower.com.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.

Items that are damaged must be communicated to us within 24 hours of receiving the item.

Please note that if items have been taken out of the packaging and/or installed, returns may be voided depending on the manufacturer.

Some of our manufacturers do not accept returns for specific items, this must be considered when purchasing.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

Contact Information

You can contact us using the methods below.

US Customer Support Number: +1 507 636 3614
Email: sales@buildthepower.com

what’s included

The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.

With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.

Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.

Specification

The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.

With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.

Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.

Shipping & Delivery

The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.

With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.

Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.

Add To Cart

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30-Day Returns

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Step 2: Place Your Order

Quick online checkout with free U.S. shipping. Your order ships within 3-5 business days.

Step 3: Power Up

Professional guidance for setup and connection. Our team helps you get the most from your power station.

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