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Complete Off-Grid Solar Kit - 4,000W 120/240V Output / 12VDC [Choose Battery Bank] + 600 Watts Solar | Off-Grid, Mobile, Backup [OGK-8]

Rated 4.9 out of 5
Based on 9 reviews
Rated 4.9 out of 5
Based on 9 reviews
Your Price:
$3,989.00 $4,999.00
You Save: $1,010.00 21%
SKU: OGK-8-COMPLETE-AGM

Battery Bank:

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This is the complete off-grid solar power kit you've been looking for! OGK-8 will power just about anything you need in an off-grid situation. With a 4,000W split phase (120/240V) inverter, your OGK-8 solar kit is powerful enough to run lights, fridges, small workshop, well-pump and more! 

Easily expandable in the future, you can add more batteries and more solar panels as you need.

You might have already noticed this, but most off-grid solar kits available today only include a 120V output inverter which is NOT able to run things like a 240V well-pump, dryer, air conditioner and more...

When you buy this solar kit, which includes built-in 120V and 240V output, you'll be in a much better position when it comes to long-term versatility and reliability. This is the smallest off grid solar kit that CAN handle 240V output for powering things like a well-pump.

#1 Best Selling Off-Grid Solar Kit. Backed By Lifetime Customer Support.

What's Included With Your Complete Off-Grid Solar System [OGK-8]

  • Ships from USA!
  • 1 x 4,000 Watt Pure Sine Wave Inverter/Charger (12V Split-Phase 120/240V Output) - 2-Year Warranty
  • 3 x 200 Watt 12V Monocrystalline Solar Panels - 25-Year Power Output Warranty
  • Choice of 12V Battery Bank: 2 x LiFePO4 - 10-Year Warranty - or 2 x AGM - 5-Year Warranty
  • 1 x 60A MPPT Charge Controller - 12 / 24 / 36 / 48 VDC MPPT ETL Listed to UL 458
  • 1 x 10AWG, Solar Extension Cables PV, approx. 10ft, SET
  • 1 x 10AWG, Solar Extension Cables PV, approx. 50ft, SET
  • 1 x 4AWG, Battery cables, approx. 3ft, SET
  • 1 x 4AWG, Battery cables, approx. 1ft, RED
  • 1 x 4/0AWG, Battery cables, approx. 2ft, SET
  • 1 x 4/0AWG, Battery cables, approx. 3ft, SET
  • 1 x 4/0AWG, Battery cables, approx. 1ft, RED
  • Fuse and Fuse holders
  • PV Quick Disconnect
  • 3 x Sets of Mounting Z-Bracket Sets (for both panels)
  • 1 x 15A Inline Fuse Holder with Fuse
  • Wiring Diagram and Setup Guide
  • Lifetime Customer Support (Phone, Email & Live Chat)

*Our kits include just about everything you need however you'll need your own installation tools and grounding rods/wire as well as optional safety components like current surge limiters. We also highly recommend getting professional installation by a certified solar installer and/or master electrician.

*Get OFF-GRID. Unlimited Power. When & Where You Need It. Limited Supply. Order YOURS Today!*

What Can This Off Grid Solar Kit Actually Power? 

OGK-8 has 2 x 200ah AGM batteries giving you 200ah of useable battery capacity. This equates to rough 2.3kWh of useable battery bank on top of the 400 watts of solar panels that will be generating an additional 1kw of power per hour while the sun is shining. 

If we assume there's roughly 6 good sun hours in most states, the solar panels will produce around 2.4kw of power each day (or 72kw/month).

We really only need 15-18 hours of battery bank storage in order to get us through the night and to when the sun comes back up the next day, so anything over and above this would be considered backup for cloudy days.

OGK-8 is perfect for well-pump backup, small off-grid cabins, home backup, or for basic RV system / mobile business applications. Easily expandable, you can add more batteries and more solar panels in the future!

OGK-8 Average Expected Run Times

Appliance Run Time
Refrigerator (100 watts) 24+ hours
Smartphones (5-7 watts) 400+ hours
Tablets (25-40 watts) 80+ hours
Laptops (50 watts) 48+ hours
Electric Blanket (Queen Size, 75 watts) 32 hours
50" LED LCD TV* (65 watts)  37 hours
Microwave (1,000 watts) 2+ hours
Basecamp LED Light (6 watts) 400 hours
CPAP Machine (30 watts) 80+ hours
Well Pump (120V or 240V) Standard Useage (multiple minutes at a time)

Your kit comes with just about everything you need making installation and setup very easy. If you're looking for a simple off-grid solar kit, this 12V system is the perfect option. The 400 Watts of solar panels can easily be added to and the 4,000 watt 120/240V inverter will power just about anything you throw at it!

Backed By Lifetime Support

All of our solar kits are backed by lifetime customer support via phone, live chat and email. We also include all of the necessary schematics for setting up your solar kit. You'll also enjoy all of the standard manufacturer's warranties on the kits component's as well as guaranteed safe delivery of everything!

"Love the system!"

Can I use grid power to charge the batteries and/or tie this system in with my on the grid home though?

The short answer is yes. Our off grid kits come with inverter/chargers, meaning you can suck power out of the batteries as well as throw juice back into the batteries via a generator OR any form of AC shore power (aka your grid tied home). When it comes to backing up your home or tieing it in to your existing electrical system, you'll need to work with an electrician to get some form of transfer switch that will allow you to go back and forth between your homes grid tie power and your off grid battery backup.

Ultimate Off Grid Solar Kit Benefits:

Comes With High Efficiency Solar Panels Included.
With the highest grade monocrystalline solar cells for optimal output, our 200 watt panels are treated with anti-reflective coating to maximize light absorption.

Simple Installation, Everything You Need.
Installation is a breeze with our pre-assembled wiring harnesses that require NO crimping tools. Since all of our products are compatible with each other, expansions, upgrades or additions simple and easy… just plug in and go!

Reliable and Convenient Off-Grid Power.
The digital MPPT charge controller lets you gauge your power at a glance, providing real time updates of volts, amps, and amp hours. provide peace of mind by protecting your system from overcharging

Wondering what sort of parts and pieces are included with your kit? Keep reading to find out!

      [Solar Panels] 200 Watt Solar Panel Specs:

      • Maximum Power(Pmax): 200W
      • Maximum Power Voltage(Vmp): 20.4V
      • Maximum Power Current(Imp): 9.80A
      • Open Circuit Voltage(Voc): 24.3V
      • Short Circuit Current(Isc): 10.2A
      • Weight: 26.5 lbs
      • Dimensions: 58.7 x 26.8 x 1.4 in
      • Warranty: 25 years output warranty

      [Charge Controller] 60A Charge Controller:

      • MPPT technology: Maximum Power Point Tracking produces maximum available power from PV array to battery bank utilizing peak power of the I-V curve
      • Quality heatsink cooling – no fans needed and no thermal derating
      • Battery type selector and user defined charging voltage
      • 4 stage charging
      • PV input, battery output and load control ports
      • Stackable
      • Reliable electronics, over engineered components generating less heat
      • Very efficient up to 99%
      • Low self consumption
      • Thermal design rugged case
      • Over temp protection
      • Overload, short circuit, high and low voltage protection
      • RS485 port for computer monitoring
      • CE, ETL to UL1741 and RoHS compliant
      • Marine coated
      • Mounting holes

      ELECTRICAL
      PV Operating Voltage:

      • 15-150Vdc@12V
      • 34-150Vdc@24V
      • 50-150Vdc@36V
      • 60-150Vdc@48V

      Rated PV input:

      • 12V – 800 Watts
      • 24V – 1700 watts
      • 36V – 2400 watts
      • 48V – 3400 watts
      • Maximum battery current: 60 amps
      • DC load port: 60 amps
      • Max PV open circuit voltage: 150Vdc
      • Self power consumption: <4 watts
      • Efficiency: 98.5%
      • Protections: overload, short circuit, high voltage, high temperature, low voltage and auto correct
      • Monitoring: RS485 port for computer monitoring
      • Optimal cooling case design – built for extreme conditions

      CHARGING

      • Battery types: gel, sealed, AGM, flooded, lithium, user defined (adjustable voltage)
      • 4 Stage charging: bulk, absorption, float and equalize
      • Bulk charge voltage: sealed 14.4V, AGM/gel 14.2V, flooded 14.6V, user defined 10-15V
      • Float charge voltage:  sealed/AGM/gel 13.7V, flooded 13.6V, user defined 10-15V
      • Equalize charge voltage: sealed 14.6V, AGM/gel 14.8V, flooded 14.8V, user defined 10-15V
      • Low voltage reconnection: 12.5V
      • Low voltage disconnect voltage: 10.5V (10.5-12.5V adjustable)

      MECHANICAL

      • Enclosure: IP43 protection, metal
      • Cooling: heatsink
      • Humidity: 100% non-condensing
      • Temperature compensation: -5mV⁰C / 2V with BTS
      • Temperature range: -25⁰C to 60⁰C or -13⁰F to 140⁰F
      • Conformal coated for marine environments
      • Wire knockouts: 1.25”
      • Unit weight: 15.5 lbs
      • Boxed weight: 17.5 lbs
      • Dimensions: 14.5”L x 10.5”W x 4.5”H
      • Warranty: 2 years
      • Certifications: ETL to UL1741, CE, RoHS, CETL

      • 4000 watt low frequency inverter
      • 12,000 watt surge for 20 seconds 300% surge capability
      • 120/240 VAC output Split Phase Charges with 120 Vac multi-stage smart charger
      • 115 Amp battery priority selector
      • Charges lithium LiFePO4, gel, AGM and lead batteries. We recommend checking battery charging specifications for all batteries.
      • Direct connect AC terminal block
      • Marine coated and protected
      • Remote panel available auto frequency
      • 10msec typical transfer time optional 25W power save mode
      • 7 battery type settings for charger
      • 7 Automatic transfer switch

      4000 Watt Pure Sine Inverter Charger 12Vdc / 120Vac Input & 120/240Vac Split Phase Output Specs:

      • Continuous Output Power: 4000 Watts
      • Surge Rating: 12,000 Watts (20 Seconds)
      • Output 120/240 Vac - Split Phase 60hz
      • Output Waveform: Pure Sine/Same as input (Bypass Mode)
      • Nominal Efficiency: >88% (Peak) Line Mode Efficiency: >95%
      • Output Frequency: 60Hz +/- 0.3Hz
      • Typical Transfer Time: 10ms (Max)
      • THD: < 10% DC
      • Ambient Operating Temperature: 14°F to 122°F (-10°C to 50°C)

      Inverter Input Specifications

      • Nominal Input Voltage: 12.0Vdc
      • Minimum Start Voltage: 10.0Vdc
      • Low Battery Alarm: 10.5Vdc-11.0Vdc
      • Low battery Trip: 10.0Vdc-10.5Vdc
      • High Voltage Alarm: 16.0Vdc Low battery
      • Voltage Restart: 15.5Vdc
      • Idle Consumption: 50 Watts
      • Power Saver Mode Idle Consumption: 21 Watts

      Charger Specifications

      • Output voltage: Depends on battery Type
      • Charger Rate: 115A Over
      • Charge Protection Shutdown 15.7V
      • Selectable Charge setting based on battery type
      • Adjustable charge current off-20%-100%
      • Four Stage Smart Charger 
      • Transfer Switch Specifications 40 amp automatic transfer switch 10 ms (max)

      Inverter Dimensions

      • Unit weight: 75 lb
      • Unit size: L x W x H: 31.5 x 8.75 x 7.25 inches
      • Shipping weight: 87 lb
      • Shipping size: L x W x H: 35.5 x 14.50 x 13.50 inches
      • Shipping Weight: 75 lbs. Shipping L x W x H 30.5 x 14.5 x 13.75 inches

      FREE Lifetime Customer Support!

      [Batteries]: 2 x 200Ah AGM Deep Cycle Batteries

      Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99% and freedom from electrolyte maintenance or water adding. Not restricted for air transport complies with IATA/ICAO Special Provision A67. UL-recognized component.

      • Heavy duty compared to other AGM batteries - 20% more cycles 
      • Mount in any orientation.
      • Computer designed lead calcium tin alloy grid for high power density
      • AGM is ideal for back up and stored power applications
      • Convenient carry handles
      • Long service life float or cyclic applications
      • Maintenance-free operation
      • Thick plates within the battery to limit fluid expansion during freezing
      • Low self discharge
      • Copper terminals

      Specifications:

      • Nominal Voltage 12V
      • Number of cell 6
      • Design life 10 years with proper maintenance
      • Nominal Capacity 77F(25C)
      • 20 hour rate (10A 10.8V) 200Ah
      • 10 hour rate (18.7A 10.8V) 187Ah
      • 5 hour rate (35.8A 10.5V) 179Ah
      • 1 hour rate (126A 9.6V) 126Ah
      • Internal Resistance
      • Fully Charged battery 77F(25C) 4mOhms
      • Self-Discharge
        - 3% of capacity declined per month at 20C(average)
      • Operating Temperature Range
        - Discharge -20~60C
        - Charge -10~60C
        - Storage -20~60C
      • Max. Discharge Current 77F(25C) 1000A(5s)
      • Short Circuit Current 3300A
      • Charge Methods: Constant Voltage Charge 77F(25C)
      • Cycle use 14.4-14.7V
      • Maximum charging current 30A
      • Temperature compensation -30mV/oC
      • Standby use 13.6-13.8V
      • 20.5" L x 8.78" H x 9.37" W
      • Weight(lb) 138
      • 5 year warranty from manufacturer defects

      *The #1 Solution For Off-Grid Power. Order Yours Today!*

      Lifetime Customer Support.

      Still have questions? Give us a call today at 877-242-2792

        Shipping Times Estimated delivery time for in-stock orders placed today is 5-10 business days. Due to the increase in demand for off-grid solar products in 2022, our average shipping times for most orders is currently 9-12 business days.

        Shipments & Lead Times: We process all orders within 72 hours. From there, we do our best to ship as quickly as possible. Shipping times vary depending on the product and size of your order. We will send you your tracking information to the e-mail and/or phone number on file.

        With the incredible demand for solar products, our average delivery time to your door is between 9-12 business days from date of order. However, for some products, shipping can be as fast as 5-7 business days to your door. Please check specific product pages for the most accurate information.

        *As of the start of 2022 - our stock levels are healthy and shipments are moving relatively quickly. If you place an order for something that is not in stock, or is on backorder, our team will reach out to you within 24-72 hours of placing your order to determine how you would like to move forward.

        If you have any questions, give us a call at 877-242-2792 or reach out via email / live chat.

        average rating 4.9 out of 5
        Based on 9 reviews
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        Rated 4 out of 5
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        9 Reviews
        Reviewed by Steve C.
        Verified Buyer
        I recommend this product
        Age Range
        55 - 64
        Rated 5 out of 5
        Review posted

        OGK-8

        This was my first solar install and I was pleasantly surprised how complete the OGK-8 kit was. The team at shopsolarkits has been great to work with. I still have some cleanup and distribution wiring to complete but we have power day and night.

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        Reviewed by Travis L.
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        I recommend this product
        Age Range
        45 - 54
        Rated 5 out of 5
        Review posted

        Offgrid water well system

        Really great system…works perfectly. My only complaint is that the equipment was delivered with very unacceptable damage. Boxes were open, ripped, and the equipment was exposed. Fortunately nothing was damaged inside that I can tell, but not what I expect to see.

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        Reviewed by David K.
        Verified Buyer
        I recommend this product
        Age Range
        55 - 64
        Rated 5 out of 5
        Review posted

        learning about off grid living

        still setting up unit , it was delivered in a very timely manner and looks great and I'm sure it will work great.

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        Reviewed by Doug
        Verified Buyer
        I recommend this product
        Age Range
        55 - 64
        Rated 5 out of 5
        Review posted

        Great kit!

        Got this kit to run my water well pump in a power outage. It works very good for my purpose. The service here is great also. Everything came promptly and well packaged. They are very responsive to any questions you may have. I am a happy customer!

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        Reviewed by Christopher S.
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        I recommend this product
        Age Range
        45 - 54
        Rated 4 out of 5
        Review posted

        Great service and communication!

        I've been looking at solar kits for my off grid cabin for nearly a year. Before purchasing one I found on eBay or Amazon, I did a search and found these guys. The price was competitive and the customer service is what attracted me. So far they've been great. Supplied great instructions and videos on installing my kit. Will be starting this weekend and I'm looking forward to finally having solar power!

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        Product Description

        This is the complete off-grid solar power kit you've been looking for! OGK-8 will power just about anything you need in an off-grid situation. With a 4,000W split phase (120/240V) inverter, your OGK-8 solar kit is powerful enough to run lights, fridges, small workshop, well-pump and more! 

        Easily expandable in the future, you can add more batteries and more solar panels as you need.

        You might have already noticed this, but most off-grid solar kits available today only include a 120V output inverter which is NOT able to run things like a 240V well-pump, dryer, air conditioner and more...

        When you buy this solar kit, which includes built-in 120V and 240V output, you'll be in a much better position when it comes to long-term versatility and reliability. This is the smallest off grid solar kit that CAN handle 240V output for powering things like a well-pump.

        #1 Best Selling Off-Grid Solar Kit. Backed By Lifetime Customer Support.

        What's Included With Your Complete Off-Grid Solar System [OGK-8]

        • Ships from USA!
        • 1 x 4,000 Watt Pure Sine Wave Inverter/Charger (12V Split-Phase 120/240V Output) - 2-Year Warranty
        • 3 x 200 Watt 12V Monocrystalline Solar Panels - 25-Year Power Output Warranty
        • Choice of 12V Battery Bank: 2 x LiFePO4 - 10-Year Warranty - or 2 x AGM - 5-Year Warranty
        • 1 x 60A MPPT Charge Controller - 12 / 24 / 36 / 48 VDC MPPT ETL Listed to UL 458
        • 1 x 10AWG, Solar Extension Cables PV, approx. 10ft, SET
        • 1 x 10AWG, Solar Extension Cables PV, approx. 50ft, SET
        • 1 x 4AWG, Battery cables, approx. 3ft, SET
        • 1 x 4AWG, Battery cables, approx. 1ft, RED
        • 1 x 4/0AWG, Battery cables, approx. 2ft, SET
        • 1 x 4/0AWG, Battery cables, approx. 3ft, SET
        • 1 x 4/0AWG, Battery cables, approx. 1ft, RED
        • Fuse and Fuse holders
        • PV Quick Disconnect
        • 3 x Sets of Mounting Z-Bracket Sets (for both panels)
        • 1 x 15A Inline Fuse Holder with Fuse
        • Wiring Diagram and Setup Guide
        • Lifetime Customer Support (Phone, Email & Live Chat)

        *Our kits include just about everything you need however you'll need your own installation tools and grounding rods/wire as well as optional safety components like current surge limiters. We also highly recommend getting professional installation by a certified solar installer and/or master electrician.

        *Get OFF-GRID. Unlimited Power. When & Where You Need It. Limited Supply. Order YOURS Today!*

        What Can This Off Grid Solar Kit Actually Power? 

        OGK-8 has 2 x 200ah AGM batteries giving you 200ah of useable battery capacity. This equates to rough 2.3kWh of useable battery bank on top of the 400 watts of solar panels that will be generating an additional 1kw of power per hour while the sun is shining. 

        If we assume there's roughly 6 good sun hours in most states, the solar panels will produce around 2.4kw of power each day (or 72kw/month).

        We really only need 15-18 hours of battery bank storage in order to get us through the night and to when the sun comes back up the next day, so anything over and above this would be considered backup for cloudy days.

        OGK-8 is perfect for well-pump backup, small off-grid cabins, home backup, or for basic RV system / mobile business applications. Easily expandable, you can add more batteries and more solar panels in the future!

        OGK-8 Average Expected Run Times

        Appliance Run Time
        Refrigerator (100 watts) 24+ hours
        Smartphones (5-7 watts) 400+ hours
        Tablets (25-40 watts) 80+ hours
        Laptops (50 watts) 48+ hours
        Electric Blanket (Queen Size, 75 watts) 32 hours
        50" LED LCD TV* (65 watts)  37 hours
        Microwave (1,000 watts) 2+ hours
        Basecamp LED Light (6 watts) 400 hours
        CPAP Machine (30 watts) 80+ hours
        Well Pump (120V or 240V) Standard Useage (multiple minutes at a time)

        Your kit comes with just about everything you need making installation and setup very easy. If you're looking for a simple off-grid solar kit, this 12V system is the perfect option. The 400 Watts of solar panels can easily be added to and the 4,000 watt 120/240V inverter will power just about anything you throw at it!

        Backed By Lifetime Support

        All of our solar kits are backed by lifetime customer support via phone, live chat and email. We also include all of the necessary schematics for setting up your solar kit. You'll also enjoy all of the standard manufacturer's warranties on the kits component's as well as guaranteed safe delivery of everything!

        "Love the system!"

        Can I use grid power to charge the batteries and/or tie this system in with my on the grid home though?

        The short answer is yes. Our off grid kits come with inverter/chargers, meaning you can suck power out of the batteries as well as throw juice back into the batteries via a generator OR any form of AC shore power (aka your grid tied home). When it comes to backing up your home or tieing it in to your existing electrical system, you'll need to work with an electrician to get some form of transfer switch that will allow you to go back and forth between your homes grid tie power and your off grid battery backup.

        Ultimate Off Grid Solar Kit Benefits:

        Comes With High Efficiency Solar Panels Included.
        With the highest grade monocrystalline solar cells for optimal output, our 200 watt panels are treated with anti-reflective coating to maximize light absorption.

        Simple Installation, Everything You Need.
        Installation is a breeze with our pre-assembled wiring harnesses that require NO crimping tools. Since all of our products are compatible with each other, expansions, upgrades or additions simple and easy… just plug in and go!

        Reliable and Convenient Off-Grid Power.
        The digital MPPT charge controller lets you gauge your power at a glance, providing real time updates of volts, amps, and amp hours. provide peace of mind by protecting your system from overcharging

        Wondering what sort of parts and pieces are included with your kit? Keep reading to find out!

            [Solar Panels] 200 Watt Solar Panel Specs:

            • Maximum Power(Pmax): 200W
            • Maximum Power Voltage(Vmp): 20.4V
            • Maximum Power Current(Imp): 9.80A
            • Open Circuit Voltage(Voc): 24.3V
            • Short Circuit Current(Isc): 10.2A
            • Weight: 26.5 lbs
            • Dimensions: 58.7 x 26.8 x 1.4 in
            • Warranty: 25 years output warranty

            [Charge Controller] 60A Charge Controller:

            • MPPT technology: Maximum Power Point Tracking produces maximum available power from PV array to battery bank utilizing peak power of the I-V curve
            • Quality heatsink cooling – no fans needed and no thermal derating
            • Battery type selector and user defined charging voltage
            • 4 stage charging
            • PV input, battery output and load control ports
            • Stackable
            • Reliable electronics, over engineered components generating less heat
            • Very efficient up to 99%
            • Low self consumption
            • Thermal design rugged case
            • Over temp protection
            • Overload, short circuit, high and low voltage protection
            • RS485 port for computer monitoring
            • CE, ETL to UL1741 and RoHS compliant
            • Marine coated
            • Mounting holes

            ELECTRICAL
            PV Operating Voltage:

            • 15-150Vdc@12V
            • 34-150Vdc@24V
            • 50-150Vdc@36V
            • 60-150Vdc@48V

            Rated PV input:

            • 12V – 800 Watts
            • 24V – 1700 watts
            • 36V – 2400 watts
            • 48V – 3400 watts
            • Maximum battery current: 60 amps
            • DC load port: 60 amps
            • Max PV open circuit voltage: 150Vdc
            • Self power consumption: <4 watts
            • Efficiency: 98.5%
            • Protections: overload, short circuit, high voltage, high temperature, low voltage and auto correct
            • Monitoring: RS485 port for computer monitoring
            • Optimal cooling case design – built for extreme conditions

            CHARGING

            • Battery types: gel, sealed, AGM, flooded, lithium, user defined (adjustable voltage)
            • 4 Stage charging: bulk, absorption, float and equalize
            • Bulk charge voltage: sealed 14.4V, AGM/gel 14.2V, flooded 14.6V, user defined 10-15V
            • Float charge voltage:  sealed/AGM/gel 13.7V, flooded 13.6V, user defined 10-15V
            • Equalize charge voltage: sealed 14.6V, AGM/gel 14.8V, flooded 14.8V, user defined 10-15V
            • Low voltage reconnection: 12.5V
            • Low voltage disconnect voltage: 10.5V (10.5-12.5V adjustable)

            MECHANICAL

            • Enclosure: IP43 protection, metal
            • Cooling: heatsink
            • Humidity: 100% non-condensing
            • Temperature compensation: -5mV⁰C / 2V with BTS
            • Temperature range: -25⁰C to 60⁰C or -13⁰F to 140⁰F
            • Conformal coated for marine environments
            • Wire knockouts: 1.25”
            • Unit weight: 15.5 lbs
            • Boxed weight: 17.5 lbs
            • Dimensions: 14.5”L x 10.5”W x 4.5”H
            • Warranty: 2 years
            • Certifications: ETL to UL1741, CE, RoHS, CETL

            • 4000 watt low frequency inverter
            • 12,000 watt surge for 20 seconds 300% surge capability
            • 120/240 VAC output Split Phase Charges with 120 Vac multi-stage smart charger
            • 115 Amp battery priority selector
            • Charges lithium LiFePO4, gel, AGM and lead batteries. We recommend checking battery charging specifications for all batteries.
            • Direct connect AC terminal block
            • Marine coated and protected
            • Remote panel available auto frequency
            • 10msec typical transfer time optional 25W power save mode
            • 7 battery type settings for charger
            • 7 Automatic transfer switch

            4000 Watt Pure Sine Inverter Charger 12Vdc / 120Vac Input & 120/240Vac Split Phase Output Specs:

            • Continuous Output Power: 4000 Watts
            • Surge Rating: 12,000 Watts (20 Seconds)
            • Output 120/240 Vac - Split Phase 60hz
            • Output Waveform: Pure Sine/Same as input (Bypass Mode)
            • Nominal Efficiency: >88% (Peak) Line Mode Efficiency: >95%
            • Output Frequency: 60Hz +/- 0.3Hz
            • Typical Transfer Time: 10ms (Max)
            • THD: < 10% DC
            • Ambient Operating Temperature: 14°F to 122°F (-10°C to 50°C)

            Inverter Input Specifications

            • Nominal Input Voltage: 12.0Vdc
            • Minimum Start Voltage: 10.0Vdc
            • Low Battery Alarm: 10.5Vdc-11.0Vdc
            • Low battery Trip: 10.0Vdc-10.5Vdc
            • High Voltage Alarm: 16.0Vdc Low battery
            • Voltage Restart: 15.5Vdc
            • Idle Consumption: 50 Watts
            • Power Saver Mode Idle Consumption: 21 Watts

            Charger Specifications

            • Output voltage: Depends on battery Type
            • Charger Rate: 115A Over
            • Charge Protection Shutdown 15.7V
            • Selectable Charge setting based on battery type
            • Adjustable charge current off-20%-100%
            • Four Stage Smart Charger 
            • Transfer Switch Specifications 40 amp automatic transfer switch 10 ms (max)

            Inverter Dimensions

            • Unit weight: 75 lb
            • Unit size: L x W x H: 31.5 x 8.75 x 7.25 inches
            • Shipping weight: 87 lb
            • Shipping size: L x W x H: 35.5 x 14.50 x 13.50 inches
            • Shipping Weight: 75 lbs. Shipping L x W x H 30.5 x 14.5 x 13.75 inches

            FREE Lifetime Customer Support!

            [Batteries]: 2 x 200Ah AGM Deep Cycle Batteries

            Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99% and freedom from electrolyte maintenance or water adding. Not restricted for air transport complies with IATA/ICAO Special Provision A67. UL-recognized component.

            • Heavy duty compared to other AGM batteries - 20% more cycles 
            • Mount in any orientation.
            • Computer designed lead calcium tin alloy grid for high power density
            • AGM is ideal for back up and stored power applications
            • Convenient carry handles
            • Long service life float or cyclic applications
            • Maintenance-free operation
            • Thick plates within the battery to limit fluid expansion during freezing
            • Low self discharge
            • Copper terminals

            Specifications:

            • Nominal Voltage 12V
            • Number of cell 6
            • Design life 10 years with proper maintenance
            • Nominal Capacity 77F(25C)
            • 20 hour rate (10A 10.8V) 200Ah
            • 10 hour rate (18.7A 10.8V) 187Ah
            • 5 hour rate (35.8A 10.5V) 179Ah
            • 1 hour rate (126A 9.6V) 126Ah
            • Internal Resistance
            • Fully Charged battery 77F(25C) 4mOhms
            • Self-Discharge
              - 3% of capacity declined per month at 20C(average)
            • Operating Temperature Range
              - Discharge -20~60C
              - Charge -10~60C
              - Storage -20~60C
            • Max. Discharge Current 77F(25C) 1000A(5s)
            • Short Circuit Current 3300A
            • Charge Methods: Constant Voltage Charge 77F(25C)
            • Cycle use 14.4-14.7V
            • Maximum charging current 30A
            • Temperature compensation -30mV/oC
            • Standby use 13.6-13.8V
            • 20.5" L x 8.78" H x 9.37" W
            • Weight(lb) 138
            • 5 year warranty from manufacturer defects

            *The #1 Solution For Off-Grid Power. Order Yours Today!*

            Lifetime Customer Support.

            Still have questions? Give us a call today at 877-242-2792

              Shipping & Delivery

              Shipping Times Estimated delivery time for in-stock orders placed today is 5-10 business days. Due to the increase in demand for off-grid solar products in 2022, our average shipping times for most orders is currently 9-12 business days.

              Shipments & Lead Times: We process all orders within 72 hours. From there, we do our best to ship as quickly as possible. Shipping times vary depending on the product and size of your order. We will send you your tracking information to the e-mail and/or phone number on file.

              With the incredible demand for solar products, our average delivery time to your door is between 9-12 business days from date of order. However, for some products, shipping can be as fast as 5-7 business days to your door. Please check specific product pages for the most accurate information.

              *As of the start of 2022 - our stock levels are healthy and shipments are moving relatively quickly. If you place an order for something that is not in stock, or is on backorder, our team will reach out to you within 24-72 hours of placing your order to determine how you would like to move forward.

              If you have any questions, give us a call at 877-242-2792 or reach out via email / live chat.

              Customer Reviews

              average rating 4.9 out of 5
              Based on 9 reviews
              • 5 Stars
                8 Reviews
              • 4 Stars
                1 Review
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              100% of reviewers would recommend this product to a friend
              Quality
              Rated 4 out of 5
              Easy to Use
              Rated 4 out of 5
              Customer photos and videos
              9 Reviews
              Reviewed by Steve C.
              Verified Buyer
              I recommend this product
              Age Range
              55 - 64
              Rated 5 out of 5
              Review posted

              OGK-8

              This was my first solar install and I was pleasantly surprised how complete the OGK-8 kit was. The team at shopsolarkits has been great to work with. I still have some cleanup and distribution wiring to complete but we have power day and night.

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              Rated 5 out of 5
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              Rated 5 out of 5
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              Reviewed by Travis L.
              Verified Buyer
              I recommend this product
              Age Range
              45 - 54
              Rated 5 out of 5
              Review posted

              Offgrid water well system

              Really great system…works perfectly. My only complaint is that the equipment was delivered with very unacceptable damage. Boxes were open, ripped, and the equipment was exposed. Fortunately nothing was damaged inside that I can tell, but not what I expect to see.

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              Quality
              Rated 5 out of 5
              Easy to Use
              Rated 5 out of 5
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              Reviewed by David K.
              Verified Buyer
              I recommend this product
              Age Range
              55 - 64
              Rated 5 out of 5
              Review posted

              learning about off grid living

              still setting up unit , it was delivered in a very timely manner and looks great and I'm sure it will work great.

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              Rated 5 out of 5
              Easy to Use
              Rated 5 out of 5
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              Reviewed by Doug
              Verified Buyer
              I recommend this product
              Age Range
              55 - 64
              Rated 5 out of 5
              Review posted

              Great kit!

              Got this kit to run my water well pump in a power outage. It works very good for my purpose. The service here is great also. Everything came promptly and well packaged. They are very responsive to any questions you may have. I am a happy customer!

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              Rated 5 out of 5
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              Rated 5 out of 5
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              Reviewed by Christopher S.
              Verified Buyer
              I recommend this product
              Age Range
              45 - 54
              Rated 4 out of 5
              Review posted

              Great service and communication!

              I've been looking at solar kits for my off grid cabin for nearly a year. Before purchasing one I found on eBay or Amazon, I did a search and found these guys. The price was competitive and the customer service is what attracted me. So far they've been great. Supplied great instructions and videos on installing my kit. Will be starting this weekend and I'm looking forward to finally having solar power!

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              Rated 4 out of 5
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              Rated 4 out of 5
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