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EG4

EG4 12000XP V2 Off-Grid Inverter | 12kW 120/240V Split-Phase

SKU INV030
$2,099.99
$2,099.99

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?

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

Change-of-mind returns are subject to a 25% restocking fee. Damaged, defective, or incorrect items are not charged a restocking fee.

EG4 12000XP V2 OFF-GRID INVERTER

The EG4 12000XP V2 Off-Grid Inverter is a high-capacity hybrid inverter designed for off-grid and hybrid energy systems. With 12,000W output power from the battery and support for up to 24,000W PV input, it delivers reliable power for whole-home backup, commercial applications, and energy independence. Built with dual MPPTs, fast UPS transfer, and smart energy management features, it helps manage power from solar, batteries, generator, and grid-supported setups. There is a file you can reference named "EG4 and BigBattery Solar Energy Systems and Components_20".

Product Highlights

  • Industrial Strength Output: 12,000W output power from battery for whole-home and commercial applications.

  • Massive Solar Input: Up to 24,000W PV input for high-capacity solar energy production.

  • Standard Voltage: Split-phase 120/240V output for standard and heavy-duty loads.

  • Optimized Harvest: Dual MPPT inputs to maximize solar production across multiple arrays.

  • Seamless Backup: UPS functionality with 15–30ms transfer for seamless backup power during outages.

  • Modern Engineering: Transformer-free design for improved efficiency, reduced weight, and easier installation.

  • Simplified Safety: Built-in breakers and safety features to simplify installation and enhance protection.

  • Intelligent Control: Smart energy management supports load control, AC coupling, and peak shaving.

  • Remote Access: Remote monitoring and control for tracking system performance and managing settings.

  • Storage Compatibility: 48V battery system compatibility for off-grid, hybrid, and backup power setups.

  • Reliable Support: 5-year EG4 manufacturer warranty with lifetime USA-based tech support.

Key Features

  • High-Capacity Off-Grid Power: Delivers 12,000W output power from battery, making it a strong solution for whole-home backup and commercial use.

  • Large Solar Input Support: Supports up to 24,000W PV input with dual MPPT optimization to capture high solar production efficiently.

  • Split-Phase Power Output: Provides 120/240V split-phase output, allowing it to power everyday household loads and larger appliances.

  • Dual MPPT Optimization: Equipped with dual MPPT inputs to help maximize solar performance across multiple solar arrays.

  • Fast Backup Power Transfer: Features UPS functionality with 15–30ms transfer for smooth backup support during power outages.

  • Flexible Power Compatibility: Works with 48V battery systems and supports grid-tied, hybrid, and off-grid installations, including generator input.

  • Smart Energy Management: Supports load control, AC coupling, and peak shaving for more flexible and efficient energy use.

  • Built-In System Protection: Includes built-in breakers and safety features to help simplify installation and improve system protection.

  • Transformer-Free Architecture: Designed with a transformer-free build for better efficiency and reduced weight.

  • Scalable System Design: Supports up to 6 units in parallel, making it suitable for larger power system configurations.

  • Remote Monitoring Support: Includes RS485, CANBus, and WiFi communication for comprehensive system monitoring and control.

Resources

  • 5 stars: 8 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
C
Curtis S.
Good Support

I appreciate the team always answering the phone and helping me with my questions.

Hi Curtis, thank you for your kind words! We're glad our support has been helpful. Feel free to reach out anytime if you have more questions.

G
Gerry D.
Great

Love it!! Very happy with the results and our purchase! Great company too.

J
Jim R.
Finally an Inverter I can run my water heater and dryer on.

Installed on June 2, 2025

I have this set up in my utility room in an off grid setup .

No grid tie in. No gen tie in. Even tho it's capable.

Unit is on the heavy side.

Build quality looks great and was easy to set up.

I have around 5k watts of potential solar input to the EG4 12K ,

plus 800 watts from my Rover 60 all going to 1000 Ah's of battery storage.

I'm using a 40 amp service electrical box for what I think is critical to me during a grid failure.

It runs my living room entertainment center , kitchen refrigerator , freezer, water heater, a few lights,

washer and dryer, Wi-Fi and a dehumidifier.

Fan noise is acceptable as my max draw is around 30 + amps at 240vac. The dehumidifier's fan is a lot louder.

Does what I want.

So far so good. 1 month in.

J
Jimmy W.
Big inverter

So far I'm waiting on permits and more. Can hardly wait. Every one says these are very dependable. I've been trying to do grid power. Butt the cost and figuring a monthly bill i decided to go 100%solar not grid tied. This will end up running my shop and future home.

S
Scott H.
Great kit

Clean build. Well made product. I would recommend.

D
David S.
Solar array

Complete solar system

B
Brock
Inverter

Really like the dongle feature

T
Troy
Excellent off grid power

I just installed this kit for a friend in his large Workshop in the back of his property. This kit is completely off grid and powers his shop lights, power tools, refrigerator, radio and lift. Installation was easy and very straightforward. Everything worked great on the initial power up. Before testing loads, I went through the settings and set the neutral ground to bond. All the other settings were defaulted to what we needed.

Frequently Asked Questions

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Frequently Bought Together

Total price$7,229.97