Product Summary:
The EG4 18kPV Hybrid Inverter is a powerful, all-in-one energy solution designed for both on-grid and off-grid applications. Delivering up to 12,000W of continuous output with 18,000W PV input, it efficiently manages power from solar, batteries, and the grid—making it ideal for whole-home backup and energy independence.
With built-in charge control, advanced power management, and seamless UPS switching (15–30ms), the 18kPV eliminates the need for additional components while ensuring reliable, uninterrupted power. Its transformer-free design improves efficiency and reduces weight, while smart features like load control, AC coupling, and peak shaving help maximize energy savings.
Designed with ETL & cETL certifications and built for durability, the EG4 18kPV delivers safe, high-performance operation with easy installation and intuitive system control.
Ships From: Texas, USA
Warranty: 10 Years
Support: Lifetime USA-Based Tech Support
What the EG4 18KPV does (in a nutshell)
The EG4 18KPV is a device that converts DC current produced by a home’s solar system into AC current that the home’s systems and appliances can actually use. This hybrid inverter includes advanced power management features that allow homeowners to manage solar, battery storage, utility power, and backup energy from one central hub.
Compatibility
UL 9540 Certified + Closed-Loop Communication (Grid-Tied + Off Grid):
- BigBattery ETHOS
- EG4 Batteries
Power Compatibility:
- Works with 48V battery systems
- Supports grid-tied, hybrid, and off-grid installations
- AC coupling compatible for system upgrades and retrofits
Key Features
- 18,000W PV Input / 12,000W Output – High-capacity power for large residential systems
- All-in-One Hybrid Design – Combines inverter, charger, and charge controller
- 3 MPPT Inputs – Maximizes solar production across multiple array orientations
- UPS Functionality (15-30ms) – Seamless backup power during outages
- Smart Energy Management – Supports peak shaving, load control, and grid interaction
- Transformer-Free Efficiency – Lightweight design with improved performance
- Built-In Breakers & Safety – Simplifies installation and enhances protection
- Remote Monitoring & Control – Track performance and manage settings from anywhere
- User-Friendly LCD Interface – Easy setup and system configuration
A high-performance hybrid inverter built for efficiency, flexibility, and reliable energy control-giving you the power to run your home with confidence.
EG4 18kPV All-in-One Hybrid Solar Inverter | 18kW PV / 12kW AC | Split-Phase | 4-MPPT | Scalable | Remote Wi-Fi Monitoring
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3 Phase
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Real Installations From Customers Like You!
Enter your build here to show off your build and receive a gift-box from us! Selected photos will be featured on our website and product pages.
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See More On YouTube
Inverter Downloads
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10-Year EG4 Manufacturer Warranty
EG4 18kPV All-in-One Hybrid Solar Inverter | 18kW PV / 12kW AC | Split-Phase | 4-MPPT | Scalable | Remote Wi-Fi Monitoring