Cabin Off-Grid Solar Power Kit With 3,900 Watts of Panels and 4,000 Watt 48VDC 120/240VAC Inverter Power Panel

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Product description

This kit is one of the easiest ways to get started with an off-grid solar system. It comes with 3,900 Watts in REC brand solar panels, an OutBack Power FLEXpower ONE power panel with one Radian GS4048A-01 4,000 Watts inverter/charger, 120/240 Volts AC Bypass assembly, a FLEXmax 80 Amp MPPT solar charge controller, MATE3s system controller, along with the necessary equipment to connect everything together. The OutBack Power FLEXpower panels are not designed for expansion. If you need the option to grow your system at a later date, please contact us and we can custom design a system that will allow you to produce more power.

Shipping Note: Some items in this kit must ship by truck freight. If you have any questions or concerns about shipping methods, please email us or give us a call.

Notice: In some areas of the country, it is not permitted for an unqualified person to install electrical equipment in a home or other dwelling or structure. It could result in severe penalties and/or fines. Be sure to check your local electrical codes and regulations before installing this system. You may need to hire a licensed electrician in order to pass an electrical inspection.

NOTE: This kit does not come with a mounting system for the solar panels or a battery bank. If you need help choosing a mount or sizing a battery bank for your system, please email us or give us a call. We are here to help!

Note: Every solar system installation is different. While this kit contains all the essential components, you will have to provide some of your own materials. For example, you may want to purchase some wire nuts for splicing wire (you may or may not need to splice wire depending upon your installation).


We offer complete and pre-wired systems, they come with wiring diagrams and outstanding technical support.

SKU: CABIN-OGK-OB-3.78KW Categories: ,


Basic Specifications:

  • Total solar panel power: 3,900 Watts
  • Output power: 4,000 Volt-Amps (VA)
  • Output voltage: 120/240 Volts AC (selectable)
  • Nominal DC input voltage: 48 Volts DC

Warranty Information:

  • REC 325 Watt Solar Panel: 20 year product warranty, 25 year power warranty.
  • OutBack Power FLEXpower ONE: 5 year warranty.
  • MidNite Solar MNPV6: 5 year warranty.




REC Solar N-PEAK Series 325 Watt Monocrystalline Solar Panel X12
30 Foot #10 AWG MC4 Extender Cable Male/Female Rated for 1000 Volts DC X2
50 Foot #10 AWG MC4 Extender Cable Male/Female Rated for 1000 Volts DC X2
MidNite Solar MNPV6 Solar Array Combiner X1
Midnite Solar MNEPV 150 Volts 15 Amps DC Circuit Breaker X4
MidNite Solar MNSR-1000 Heyco Strain Relief Connector With Locknut X4
MidNite Solar Surge Protection Device MNSPD-300-DC X1
Disconnect Tool for MC4 Connectors X1
Outback FLEXpower FPR-4048A-01 4,000 Watts 48 Volts for Grid Tie and Off Grid Systems X1
Inverter Cables Red/Black Pair, #2/0 AWG, 10 Foot UL Listed MTW X1


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