21.8kW Commercial Solar Kit for Farms & Businesses – 2x Envy Inverters | 55.5–92.5kWh Fortress Power Battery | 40x 545W Solar Panels
Power your business or farm with confidence using the 21.8kW Complete Off-Grid Solar Kit—engineered for commercial-grade resilience and flexibility. This all-in-one solution includes 40 high-efficiency 545W solar panels, two Fortress Power Envy 12kW hybrid inverters (delivering 24kW combined output), and a scalable Fortress Power lithium battery bank ranging from 55.5kWh to 92.5kWh, using your choice of eVault MAX or eForce modules.
Whether you're managing a farm, quick-service restaurant, workshop, or rural property, this system provides dependable off-grid power with robust split-phase (120/240V) and three-phase (120/208V) support. It’s a perfect fit for critical operations that can’t afford downtime or unstable power supply.
Designed for easy DIY installation or contractor integration, this kit offers long-term energy independence and cost savings for your commercial property—without the need for grid access.
Applications
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Off-Grid Commercial 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
Off-Grid Commercial Kit Features
Off-grid commercial kits allow businesses to take control of their energy supply—independently and affordably. Whether you're powering a farm, a retail space, or a mobile operation, these kits deliver industrial-grade performance without ongoing utility costs or grid dependency.
🔋 Scalable Battery Storage
Choose the capacity that fits your power needs today—with room to grow later.
⚡ Reliable Energy for Critical Operations
Keep your business running during outages or in remote areas with zero access to the grid.
🛠️ All-in-One Solution
Everything you need in one package—customizable, scalable, and DIY-friendly.
📡 Smart Monitoring & Control
Track performance and troubleshoot remotely with integrated monitoring tools.
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.
(40) 545W Commercial-Grade Solar Panels
The Phono Twinplus 545W Solar Panel is a high-efficiency, monocrystalline PERC solar panel designed to deliver exceptional performance and reliability.
2x Fortress Power Envy True 12kW Hybrid Inverter
The Fortress Power Envy True 12kW Hybrid Inverter is an all-in-one solution built for reliable commercial energy storage and backup.
Fortress Power Lithium Battery Bank (55.5–92.5kWh capacity; eVault MAX or eForce options)
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.
