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Fortress Power Envy 12kW

SKU Envy Inverter 12kW
Save $1,143.26 Save $1,143.26
Original price $6,531.25
Original price $6,531.25 - Original price $6,531.25
Original price $6,531.25
Current price $5,387.99
$5,387.99 - $5,387.99
Current price $5,387.99

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Not finding the right Fortress Power product? Reach out for a quick quote using our simple form!

The Fortress Power Envy 12kW inverter is an all-in-one solution for powering an entire home. It can be paired with either the eFlex 5.4 kWh, eVault MAX 18.5 kWh, or LFP-10 MAX batteries, and provides up to 12kW (50A @ 240V) of backup power through a 200A AC passthrough. The Envy has a built-in generator input with AC/DC coupling, on- and off-grid capabilities, and a 3 MPPT output that can support a maximum of 21 kW PV array. It comes with a built-in APsmart Module Level Rapid Shutdown Transmitter and Button, as well as pre-installed AC & DC breakers for easy and fast installation. You can monitor your system from anywhere using our online app.

Key Features:

  • 200A AC Passthrough Current For Whole Home Backup
  • 3MPPT Output For Max 21kW PV Array
  • AC / DC Coupling
  • IP65 Rated For Indoor & Outdoor Installation
  • Built-In Generator Port
  • 5 Units In Parallel
  • Online Monitoring/App
  • Color LCD Touch Screen
  • 3 Phase Compatible (Upcoming Feature)

Supported Applications:

  • Backup
  • Off-Grid
  • Zero Export
  • Time-Of-Use
  • Peak Shaving
  • Demand Response Integration (Coming Soon)

Whole-Home Backup One-Line Diagram

Fortress Power Envy Whole Home Backup Line Diagram
Input DC (PV Side)
Max. DC Input Power for Single MPPT 12000W/7000W/7000W 1 x 12kW, 2 x 7kW
Max. PV Input Power 21000W
Max. PV Power Delivered to Battery & AC Outputs 18000W
DC Input Voltage Range 100V-600V
Nominal DC Input Voltage 360V
Full Power MPPT Voltage Range 230V-500V
Max. DC Input Current 25A/15A/15A
MPPT Number/(Strings per MPPT) 3(2/1/1)
Output/Input AC (Grid)
Continuous AC Power to Grid 12000W (240V)
Continuous AC Power to Load with Grid or Generator 48000W (240V)
Nominal Output Voltage 120V/240V
Max. Continuous AC Current 50A @ 240V
Nominal AC Frequency 50Hz/60Hz
Output AC (Off-Grid)
Max. Output Power 12000W (240V)
Nominal Output Voltage 120V/240V
Nominal Output Frequency 50Hz/60hZ
Nominal Output Current 50A @ 240V
Peak Power 14kW 10 minutes / 16kW 5 minutes / 20kW 500ms
Switching Time Seamless
Battery Parameters
Compatible Battery Type eVault Max, eFlex, LFP-10 MAX
Nominal Battery Voltage 48V
Battery Voltage Range 48V-56V
Maximum Charging/Discharging Current 250A
Maximum Charging/Discharging Power 12000W
Efficiency
MPPT Efficiency 99.9%
Max. Efficiency 97.5%
CEC Efficiency 96.5%
Protection
Anti-islanding Protection YES
DC Switch YES
Ingress Protect Degree NEMA 4X, IP65
SPD Protection YES
AFCI OPT
RSD Built-in APsmart Transmitter
General Data
Dimensions 31.1 x 20.5 x 10.4 in (790 x 520 x 264 mm)
Weight 127 lbs (58 kg)
Display Color LCD
Ambient Temperature Range -20 to 60 °C (-4 to 140 °F)
Cooling FAN
Communication RS485/Wi-Fi/CAN
Standard & Certification
Certifications UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma
Warranty 10 Years / Lead Acid or Fortress Lithium Batteries Only

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@generationecostore.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 info@generationecostore.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.

We have a 30-day return policy, which means you have 30 days after receieving 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 hello@generationecostore.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 hello@generationecostore.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. 

These manufacturers include:
Victron
Pytes Battery

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: +1 323 768 0928
Email: hello@generationecostore.com
US Address: 30 N Gould St Ste R Sheridan WY 82801

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