1-844-WILDOAK - Call or Chat: Mon to Fri 10am-10pm CST


Your Cart is Empty


Sol-Ark 8K Hybrid Solar Battery System by Sol-Ark

 Sol-Ark 8k Hybrid Inverter System is simple to install to a grid-tied, off-grid and battery backup solar systems. The Sol-Ark 8K retains all of the benefits of solar power and adds a feature set that allows utilities to manage power to and from Solar, Battery, Grid, Loads, and Generators.

This powerful battery inverter is capable of powering up to 8,000 Watts of solar power. 



  • Max allowed PV Power : 11000W (2x 5500)
  • Max allowed PV Power per MPPT  : 8,000W
  • Max DC voltage  : 500V
  • MPPT voltage range  : 150-425V
  • Starting voltage  : 125V
  • Number of MPPT  : 2
  • Solar Strings per MPPT  : 2
  • Max DC current per MPPT  : 20A (self limiting)
  • Max AC Coupled Input (Micro/String Inverters) : 9600W

AC Output

  • Connections  : 120/240V split phase
  • Continuous AC power to Grid (Grid-Tie)  : 8000W (240V)  
  • Continuous AC power to Loads (Off-Grid)  : 8000W (240V)  
  • Surge AC power 10sec  : 16,000VA L-L(240V) 
  • Surge AC Power 100ms : 25,000VA L-L(240V)
  • Frequency  : 60/50Hz
  • Continuous AC power w/ Grid or Gen  : 15,120W / 63A (240V)  / 7,560W 63A (120V)
  • CEC Efficiency  : 96.5% (Peak 97.5%)
  • Idle Consumption typical – no load  : 60W
  • Sell back power modes  : Limited to Household or Full Grid-Tied
  • Design (DC to AC)  : Transformerless DC
  • Response Time (Grid-Tied to Off-Grid)  : 4ms
  • Power Factor  : +-0.9 – 1.0


  • Dimensions (H x W x D) 30” x 18.3” x 10”
  • Weight : 75 lbs
  • Enclosure : NEMA 3R (Indoor Use)
  • Ambient Temperature : -25 to 55C, >45C derating
  • Display : Color touch screen
  • Wi-Fi Communication (monitoring or SW updates) : Integrated
  • Snap on sensors for limited selling to Household  : Included
  • Installation Style : Wall-Mounted



    A Brief Overview of the U.S. Home Energy Tax Credit

    Discover the financial advantages of the U.S. federal solar tax credit for homeowners considering installing a solar system in their main residence. This incentive provides a 30% discount on the current cost of a solar system. If you've set up a system in 2022, it's advisable to speak with your tax consultant to see if you're eligible for a higher credit rate.

    Understanding the U.S. Federal Solar Tax Credit:

    This tax credit is tailored for homeowners and applies to solar systems installed in primary homes. The credit covers a percentage of qualifying expenses, and thanks to the recent Inflation Reduction Act, the scope of the Investment Tax Credit (ITC) has broadened. Solar systems installed from 2022 to 2032 are eligible for a 30% tax credit, which will drop to 26% in 2033 and 22% in 2034. There's no cap on the amount you can claim.

    What Expenses Are Eligible:

    Qualifying expenses include solar photovoltaic panels, attic fan power systems (except for the fan itself), labor costs for installation and setup, balance-of-system components, and applicable sales taxes. Standalone batteries with a capacity of 3 kWh or more may also be eligible! For instance, if the solar system you initially purchase includes a single battery with a capacity of less than 3 kWh, but you also buy extra batteries during the installation process that bring the total capacity to more than 3 kWh, then the entire setup may be eligible for the tax credit.

    How to Determine Your Eligibility:

    To confirm your eligibility for this federal solar credit, review the guidelines set forth by the U.S. Department of Energy and consult your tax advisor.

    Steps to Claim the U.S. Federal Solar Tax Credit:

    1. Verify Eligibility: Speak with your tax advisor to confirm your eligibility and to understand how to make the most of the credit.

    2. Fill Out IRS Form 5695: This form, available online, is specifically for claiming renewable energy credits. Guidelines for completing the form are provided.

    3. Apply Credits on Your 1040: Use the total credit amount from Form 5695 to lessen your tax liability on your Form 1040.


    Always consult your tax expert to fully understand your eligibility for tax credits based on your unique situation. Wild Oak Trail offers this guide for educational purposes and does not assure tax credits based on the information given. This resource should not replace professional tax or financial advice and should not be the only factor in your purchasing, investment, or tax choices. Consult a tax expert for a personalized evaluation.

    Additional Resources:

    Free shipping on a variety of products!

    As soon as your product is on its way out of the warehouse, we will email you the tracking number for your shipment. 

    Free Shipping on a variety of products! If the product you're interested includes free shipping, it will be indicated on the product page. Otherwise, shipping costs will be calculated based on the size of the package and your location.

    No Risk Damage Policy

    Easy Returns

    For more information about Shipping and Returns CLICK HERE

    Price Guarantee

    We care about our customers and want to offer the best prices available for our top notch products.

    Conditions of our 100% Price Match Guarantee:

    • The item must be purchased from us before we can match it

    • Buy one, get one free offers and Rebates are not eligible

    • The item must be in stock on the competitors website

    • The competitor must be an online store, not a retail location

    • The website can't be a discounter or auction website ( such as eBay, overstock, etc.)

    • The company must be an Authorized Retailer of the product in question

    • The Price Match Guarantee is based on the final price of the product including shipping and taxes

    1. We care about you. We don't want to just sell you something and never hear from you again. We know that in order to get return business, we need to provide not only good products, but good customer service.
    2. We're a family owned business! My wife and I run Wild Oak Trail, and when you buy from our store, you're actually making a difference to our family!
    3. We LOVE being prepared. In uncertain times, it feels really good knowing that we have backup power, food and water ready to go!
    4. We source QUALITY. We expect every one of our customers to be happy with their purchase and tell their friends and family about it!