8.1kW Grid-Tied Solar Kit - 1 Envy 8kW Hybrid Inverter | Fortress Power Batteries | Solar Panels
Take control of your home’s energy with the 8.1kW Complete Grid-Tied Solar Kit, designed for DIY homeowners who want clean, reliable, and scalable power. This system includes 18 high-performance 410W monocrystalline solar panels, the Fortress Power Envy 8kW Hybrid Inverter, and your choice of advanced lithium battery storage—eFlex MAX and eBoost with capacity ranging from 10.8kWh to 21.6kWh.
Perfect for grid-connected homes that need backup protection, this kit delivers 120/240V split-phase or 120/208V three-phase output, ensuring compatibility with both standard residential and light commercial applications.
Whether you're looking to lower your utility bill, prepare for power outages, or simply invest in a more sustainable future, this system is ready-to-install, customizable, and built with professional-grade components. Backed by Fortress Power's leading technology and long-term support, this kit offers peace of mind for years to come.
📘 Data Sheet Quick Links
Applications
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Grid-Tied Home-Backup Power
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DIY solar setups
Essentials Appliances
Wi-Fi Router
Lights
Television
Phone Chargers
Laptop Home PC
Microwave
Well Pump
Refrigerator
Major Appliances - Comfort living
MiniSplit AC Conditioner
Kitchen Stove
Hair Dryer
Vaccum Cleaner
Dishwasher
Electrical Tools
Level 1 EV Charger
Heavy Appliances - Wholehome
Level 2 EV Charger
Heatpump
Dryer
Water Heater
Central Air Conditioner
Oven
Power Tools
Grid-Tied Kit Features
This grid-tied solar kit offers the best of both worlds—daily energy savings and reliable backup power. By staying connected to your local utility, you can reduce electricity bills by using solar energy first, while relying on the grid when needed. During outages, the system seamlessly switches to battery power, keeping your essential loads running. It’s an ideal solution for homeowners who want energy independence without going fully off-grid—resilient, efficient, and ready for anything.
🔋 Flexible Storage Options
Choose from eFlex Max or eBoost batteries to match your power needs and space.
⚡ Whole-Home Ready
Delivers 8kW of continuous power for full-home use.
🛠️ All-in-One Solution
Everything you need in one package—customizable, scalable, and DIY-friendly.
🔌 Grid-Tied & Resilient
Stay connected to your utility while enjoying backup power during outages.
Real World Installations
See how batteries extend backup time — the inverter powers your appliances, the batteries keep them running longer.
3 eFlex Max Batteries-16.2 kWh
Keep your essential appliances running longer — perfect for daily backup.
4 eFlex Max Batteries–21.6 kWh
Go further — 21.6 kWh keeps more appliances running longer during outages.
Everything You Need to Get Started
This kit comes complete with solar panels, inverters, batteries, and all essential hardware—so you can plan, install, and power up with confidence.
18x 450W Monocrystalline Solar Panels
The TaleSun 450W is a high-performance solar panel designed for maximum efficiency and durability.
1x Fortress Power Envy 8kW Hybrid Inverter
The Fortress Power Envy 8kW Hybrid Inverter is an all-in-one solution built for whole-home energy storage and backup.
Your choice of Fortress Power eBoost, eFlex Max or eForce batteries (10.8-21.6kWh)
Choose the battery you need for the backup you want!
Mounting hardware, wiring, and installation accessories
All of the extra parts you need to make the installation a success.
