21.6kW Grid-Tied Solar Kit – Envy Duo 21 Inverter | eBoost or eForce Batteries | Solar Panels | 16kW Output

$17,883.00
Shipping calculated at checkout.
Battery Bank Options: 1x eBoost 16kWh (total 16kWh)

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

eForce Battery: Data Sheet
eBoost Battery: Data Sheet
Envy True 12kW Inverter: Data Sheet

Applications

  • Grid-Tied Home-Backup Power
  • DIY solar setups

Battery Bank Options

Essentials Appliances

Wi Fi Router

Wi-Fi Router

Lights

Lights

Television

Television

Phone Chargers

Phone Chargers

Laptop Home PC

Laptop Home PC

Microwave

Microwave

Well Pump

Well Pump

Refrigerator

Major Appliances - Comfort living

MiniSplit AC Conditioner

Kitchen Stove

Kitchen Stove

Hair Dryer

Vaccum Cleaner

Dishwasher

Electrical Tools

Level 1 EV Charger

Heavy Appliances - Wholehome

Level 2 EV Charger

Heatpump

Dryer

Water_Heater

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.