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- Regular price
- $3,199.99
Estimated shipping time
Estimated shipping time
You can typically expect your items to arrive within 4–7 business days, depending on your location and product availability.
What is your Return Policy?
What is your Return Policy?
At Northgrid Supply, we want every customer to shop with confidence. If something doesn’t go as planned, we’ve made returns and refunds simple and fair. Here’s how it works:
1. Return Window
You can request a return within 30 days of receiving your order. Unfortunately, we’re unable to accept returns after that time frame.
2. Who Pays for Return Shipping?
- If your item arrives damaged, defective, or incorrect, we’ll cover the return shipping cost.
- If you’re returning an item because you changed your mind, you’ll be responsible for return shipping fees.
3. Damaged or Defective Items
Received something broken or not working properly? Contact us within 30 days. We’ll provide a prepaid return label and once the item is returned and inspected, we’ll issue either a full refund or a replacement—including any original shipping costs.
4. Changed Your Mind?
If you no longer want the item, you can return it within 30 days—as long as it's unused, in its original packaging, and in resellable condition. You’ll need to handle the return shipping, and once we receive and inspect it, we’ll refund the product cost (excluding shipping).
5. Refund Processing
Once we receive and approve your return, we’ll send a confirmation email and issue a refund to your original payment method within 7 business days. Please allow additional time for banks or credit card companies to process and reflect the refund.
If it’s been over 10 business days since your refund was approved and you still don’t see it, contact us at support@northgridsupply.com and we’ll look into it immediately.
6. Restocking Fees
In some cases, a restocking fee may apply depending on the item and return reason. If applicable, we’ll clearly communicate this during your return request process.
EG4 FlexBOSS18 Hybrid Solar Inverter | 18kW PV / 13kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring
The EG4 FlexBOSS18 Hybrid Solar Inverter is a next-generation hybrid inverter designed for residential and commercial energy systems. With up to 18,000W PV input and 13,000W AC input power, it delivers flexible performance for both on-grid and off-grid installations. Built to manage solar, battery, grid, and generator power, it offers advanced energy control, remote monitoring, and scalable system support for modern energy independence. There is a file you can reference named "EG4 and BigBattery Solar Energy Systems and Components_17".
Product Highlights
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Massive Solar Capacity: 18,000W PV input capacity for large residential and commercial solar systems.
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High AC Throughput: 13,000W AC input power for high-capacity hybrid energy setups.
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Residential Standards: 120/240V split-phase output for standard and heavy-duty loads.
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Solar Optimization: Dual MPPT inputs with multiple strings to optimize solar production.
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High Demand Support: 90A grid feed-through for high-demand loads and seamless grid integration.
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Versatile Storage: 48V battery compatibility for grid-tied, hybrid, and off-grid installations.
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Retrofit Ready: AC coupling compatibility for system upgrades and retrofits.
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Advanced Orchestration: EG4 GridBOSS MID integration for advanced system control.
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Real-Time Visibility: Remote Wi-Fi monitoring and mobile alerts for real-time system visibility.
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All-Weather Protection: IP65 / NEMA 4X protection rating for durable installation environments.
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Guaranteed Performance: 10-year EG4 manufacturer warranty with lifetime USA-based tech support.
Key Features
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High-Capacity Hybrid Performance: Supports up to 18,000W PV input and 13,000W AC input power, making it a powerful inverter option for larger systems.
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On-Grid and Off-Grid Flexibility: Designed for grid-tied, hybrid, and off-grid installations to support different solar and backup power needs.
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Split-Phase Power Output: Provides 120/240V split-phase output, suitable for both standard household loads and heavier appliances.
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Dual MPPT Solar Optimization: Features 2 MPPTs with multiple inputs per MPPT to help maximize solar production across multiple arrays.
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GridBOSS MID Integration: Designed to pair with the EG4 GridBOSS MID gateway for advanced load management, generator support, and simplified installation.
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Smart Energy Management: Supports peak shaving, intelligent power distribution, and AC coupling to improve system flexibility.
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Built-In Safety Protections: Includes advanced safety features such as rapid shutdown, ground fault protection, and arc fault protection for code-compliant operation.
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Remote Monitoring & Alerts: Built with Wi-Fi connectivity and mobile alerts so users can track system performance in real time.
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Scalable System Design: Supports up to 10 parallel connections, making it suitable for larger energy system configurations.
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Durable Outdoor-Ready Rating: Features an IP65 / NEMA 4X protection rating, helping protect the unit in demanding installation environments.
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Maintenance-Free Operation: Designed for dependable performance with no routine servicing required.
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