21.6kW Grid-Tied Solar Kit – Envy Duo 21 Inverter | eBoost or eForce Batteries | Solar Panels | 16kW Output
Power your large home or small business with this 21.6kW Complete Solar Kit, built for high-demand applications and full-home backup. This all-in-one system includes 48 premium 450W solar panels, Fortress Power Envy Duo 21 16kW Hybrid Inverters, and your choice of Fortress Power eBoost or eForce battery modules, offering 16kWh to 38.4kWh of scalable storage.
Enjoy 16kW of continuous output with support for 120/240V split-phase or 120/208V three-phase, ideal for large residential properties, farms, or light commercial buildings. Everything is included—from solar panels and batteries to mounting hardware and wiring—making it the perfect choice for DIY solar installations or professional contractors.
📘 Data Sheet Quick Links
Applications
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 eBoost or eForce batteries to match your power needs and space.
⚡ Whole-Home Ready
Delivers 16kW 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.
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.
48x 450W solar panels (total 21.6kW)
The TaleSun 450W is a high-performance solar panel designed for maximum efficiency and durability.
1x Fortress Power Envy Duo 21 12kW Hybrid Inverter
The Fortress Power Envy Duo 21 is a high-performance, all-in-one hybrid inverter designed for whole-home and light commercial applications. With 16kW output, it delivers unmatched flexibility for grid-tied or backup systems.
Fortress Power eBoost or eForce batteries (16–38.4kWh)
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.