Four Star Solar American Independence 4,400W AC-Coupled Home Battery Backup System - Wholesale Solar
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Product Information

Model Part # Output Watts Battery Bank
Four Star Solar American Independence 4,400W AC-Coupled Home Battery Backup System14409314400W48VDCSold separately


Protect your family's power supply by upgrading your grid-tied solar power system. With the use of a technology called Micro-grid AC Coupling, our American Independence 4400 allows you to put your solar panel array to work even when grid power is not available. You'll now be able to enjoy the independence from power companies that comes with off-grid systems.

Easy and safe to install, this Micro-grid AC Coupling Kit is designed to work with grid-tie systems up to 4400 watts in size. It includes a Magnum MS4448 PAE sinewave inverter, a remote control and a battery monitor.

If need more batteries, see our Add-on Package below. Be sure to check with one of our technicians to make sure that your battery bank is correctly sized to your solar panel array.

off-grid dc diagram

One of our customers in North Carolina
purchased a grid-tie system, then
later added the American Independence.
Read more.

How does Micro-grid AC Coupling in this system work?
The Magnum Energy inverter is on "standby" until the utility company goes down. With any interruption in the grid power, the Magnum inverter comes alive to create a local grid inside your home or building. Your gridtie inverter will continue to operate with full output to allow normal operation of your critical loads. When grid power returns and stabilizes for 5 minutes, the Magnum inverter defaults back to the grid to keep your critical loads running. Meanwhile, the gridtied solar panels never know the difference. Read more about Micro-grid AC Coupling here

Deciding what needs to be powered when grid power is down is much like sizing an off-grid system. Read Sizing Offgrid Systems and use this handy Load Evaluation Worksheet to understand how to determine which critical loads you will be able to power. If you need to expand capacity, you can always add more solar panels and batteries, and those will qualify for an additional tax credit.

See all AC Coupled Systems here, or all of your options for back up powerhere. Call Wholesale Solar for help evaluation which system will best suit your needs: 1-800-472-1142

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Qty Item Type
1Magnum MS4448PAE InverterInverters
1Magnum MPSL175-30D Panel Single Enclosure Inverter Accessories
1Magnum BP-S Single Back PlateInverter Accessories
1Magnum ME-BMK Battery Monitor Kit - No ShuntInverter Accessories
1Magnum ME-RTR RouterInverter Accessories
2MidNite MNSPD-300-AC Surge Suppressor
1MidNite MNEAC-20 Breakers
1Service - Custom Electrical Design DrawingService
1MidNite Midnite Buss Bar Short Red SBBAccessory
1Other Manufacturer Fuse Holder, In Line Barrel Misc
1Other Manufacturer Fuse, In Line Barrel 1/2 Amp Misc
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Features & Attributes

  • 1 Magnum Energy MS4448 PAE Sinewave Inverter
  • 1 Magnum Energy ME-RTR Inverter Remote
  • 1 Magnum ME-BMK Battery Monitor
  • System Monitor Gives Instant Status and "Percent of Full" Battery Info
  • AC and DC Input Breakers
  • Inverter Bypass Switch Allows Choice of Grid or Inverter Output
  • Easy to Connect Color Coded Buss Bars for AC and DC Connections
  • Multiple Available Knockouts for Conduit Attachments
  • Single System Grounding Point
  • Fully Assembled and Tested by Experienced Factory Trained Technicians
  • All Required Internal Cables and Connectors
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Magnum MS4448PAE Inverter

Product Manual
Spec. Sheet
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Battery Options (Sold Separately)

This system doesn't come with batteries, but we recommend these batteries/battery banks for it:
Item Manufacturer Type Volts (VDC) Capacity (Ah) Product Number Price
Four Star Solar Add-on 48 VDC 9,600 Wh with MNBE-D enclosure (8) Four Star Solar Power Center 48VDC 200Ah 1440420
UPG 200 Ah 48 VDC 9,600 Wh (8) UPG Battery Bank 48VDC 200Ah 1898560
UPG Deep Cycle 400 Ah 48 VDC 19,200 Wh (16) UPG Battery Bank 48VDC 400Ah 1898575
Fullriver AGM 415 Ah 48 VDC 19,920 Wh (8) Fullriver Battery Bank 48VDC 415Ah 1898601
Four Star Solar AGM 415 Ah 48 VDC 19,920 Wh with MNBE-D enclosure (8) Four Star Solar Power Center 48VDC 415Ah 1440416
Surrette / Rolls 428 Ah 48 VDC 20,544 Wh (8) Surrette / Rolls Battery Bank 48VDC 428Ah 1898526
Fullriver AGM 830 Ah 48 VDC 39,840 Wh (16) Fullriver Battery Bank 48VDC 830Ah 1898616
Surrette / Rolls 856 Ah 48 VDC 41,088 Wh (16) Surrette / Rolls Battery Bank 48VDC 856Ah 1898541
Surrette / Rolls 1284 Ah 48 VDC 51,632 Wh (24) Surrette / Rolls Battery Bank 48VDC 1284Ah 1898511
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About Four Star Solar

Four Star Solar was developed from decades of experience in off-grid solar system design to provide sophisticated solutions for off-grid solar power users. Experts in battery-based power, we bring off-grid solar into the New Millennium with inverter systems and backup power appliances that are safe and elegant. Four Star Solar products simplify installation of off-grid solar power and reduce risk of costly errors. Back to Top

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