Skip to product information
1 of 3

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

Regular price $5,969.00
Regular price Sale price $5,969.00
Sale Sold out
Important order information
  • Seller: Smart Edge Robotics is an independent online retailer.
  • Condition: New unless the product page clearly states otherwise.
  • Availability: Product availability can change. Review the status shown on this page and any message sent after checkout.
  • Delivery: Review the shipping estimate shown on the product page or at checkout before completing payment.
  • Cancellation: Request cancellation before processing begins. Orders already in processing or fulfillment may not be cancelable.
  • Returns: Review the refund policy before purchase. Restrictions and fees can apply by brand, product condition, and return reason.
Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Visa

Fortress Power Envy 8kW Hybrid Inverter and Dual eFlex Max 5.4 kWh Battery Bundle

Overview

The Fortress Power Envy 8kW Hybrid Inverter combined with two eFlex Max 5.4 kWh Batteries offers an efficient and reliable solution for energy independence and whole-home backup. This complete system is designed to optimize your energy usage while ensuring you have power when you need it most.

Benefits

  • Ensure peace of mind with continuous backup power for essential appliances.
  • Reduce reliance on the grid and lower your electricity bills.
  • Effortlessly monitor your energy system for optimal performance.
  • Stay environmentally conscious with enhanced solar energy utilization.

Features

  • Designed for seamless integration between the Envy inverter and eFlex Max batteries.
  • Provides 8kW of continuous backup power for household needs.
  • Features a substantial 10.8 kWh of usable energy storage from dual batteries.
  • Supports both grid-tied and off-grid operation.
  • Durable, long-lasting components with an 8,000+ cycle life for batteries.
  • Quick installation with built-in rapid shutdown and AC/DC breakers.
  • IP65 rated batteries suitable for indoor and outdoor installation.

Specifications

  • Inverter Specifications:
    • Rated AC Output Power: 8 kW (continuous)
    • Peak AC Output Power: Up to 10kW (selectable on certain models)
    • 2 MPPTs for up to 13kW PV array input
    • Built-in generator input
    • IP65 rating for indoor/outdoor installation
    • Remote monitoring via online app
  • Battery Specifications:
    • Battery Chemistry: Lithium Iron Phosphate (LFP)
    • Nominal Energy per Battery: 5.4 kWh
    • Total Usable Energy (Combo): 10.8 kWh (2 x 5.4 kWh)
    • Nominal Capacity per Battery: 105 Ah
    • Cycle Life: 8,000+ cycles at 80% DoD
    • Warranty: 10 Years
    • IP65 rating for indoor/outdoor installation
    • Flexible wall or floor mounting options
View full details
01

Availability and delivery

Preorder and backorder products display a current expected dispatch date. Availability, processing time, shipment origin, carrier, cost, and transit estimate can otherwise vary by product.

Shipping policy
03

Warranty coverage

Warranty terms are product-specific. Manufacturer or supplier coverage applies only when clearly stated and may require registration or direct service.

Warranty information
04

Verify technical details

Confirm compatibility, included components, power requirements, installation, licensing, regulatory, software, safety, and operational requirements before purchase.

Ask about this product
Retailer identity Smart Edge Robotics

An independent online retail brand operated by SAMUELHYBRID ECOMMERCE LLC. We do not claim to be the manufacturer, official brand website, authorized dealer, or exclusive distributor unless a verifiable relationship is expressly stated.

support@smartedgerobotics.com +1 888-851-6871 Monday–Friday, 9:00 AM–5:00 PM Eastern Time Payment information Order tracking